{"title":"Mercury 200 (9016254 THRU 9157229) Parts \u0026 Diagrams","description":"\u003cp\u003eOEM and aftermarket replacement parts for Mercury 200. Scroll down for exploded parts diagrams (20), specifications, and maintenance reference.\u003c\/p\u003e","products":[{"product_id":"9-spark-plug-wire-fits-mercury-marine-150-175-200-hp-outboard-motors-18-5228","title":"9-inch Spark Plug Wire – Fits Mercury Marine 150-175-200HP Outboards","description":"\u003ch2\u003e9-inch Spark Plug Wire – Fits Mercury Marine 150-175-200HP Outboards\u003c\/h2\u003e\n\u003cp\u003eThis 9-inch spark plug wire is designed to fit a range of Mercury Marine V6 2-stroke outboard engines, including 150, 175, and 200 HP models, primarily from the 1970s through the 1990s. It serves as a reliable replacement for restoring ignition system performance.\u003c\/p\u003e\n\u003cp\u003eThis component is a direct replacement for Mercury OEM part numbers 813715A1, 90816A25, 93475A25, 99215A25, and 99215A29, as well as aftermarket parts from Sierra (18-5228-1, 18-5227-1) and AquaPower (A\/P3026).\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eInstallation Method:\u003c\/strong\u003e Simple direct plug-in replacement.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Connects the ignition coil to the spark plug.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCore Construction:\u003c\/strong\u003e Features a stainless steel wound conductor with silicone jacketing for durability and RFI suppression.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n \u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury Marine\u003c\/td\u003e\n \u003ctd\u003e813715A1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury Marine\u003c\/td\u003e\n \u003ctd\u003e90816A25\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury Marine\u003c\/td\u003e\n \u003ctd\u003e93475A25\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury Marine\u003c\/td\u003e\n \u003ctd\u003e99215A25\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury Marine\u003c\/td\u003e\n \u003ctd\u003e99215A29\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSierra\u003c\/td\u003e\n \u003ctd\u003e18-5228-1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSierra\u003c\/td\u003e\n \u003ctd\u003e18-5227-1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eAquaPower\u003c\/td\u003e\n \u003ctd\u003eA\/P3026\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n \u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003cth\u003eOEM Part No.\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1976-1990s\u003c\/td\u003e\n \u003ctd\u003e813715A1\u003c\/td\u003e\n \u003ctd\u003eModels: 4868998-0A904645, 5600162-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150 Magnum\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1976-1990s\u003c\/td\u003e\n \u003ctd\u003e813715A1\u003c\/td\u003e\n \u003ctd\u003eModel: 5600162-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150 Marathon\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1976-1990s\u003c\/td\u003e\n \u003ctd\u003e813715A1\u003c\/td\u003e\n \u003ctd\u003eModel: 5600162-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150 Work\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1976-1990s\u003c\/td\u003e\n \u003ctd\u003e813715A1\u003c\/td\u003e\n \u003ctd\u003eModel: 4868998-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150-XR-2\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1976-1990s\u003c\/td\u003e\n \u003ctd\u003e813715A1\u003c\/td\u003e\n \u003ctd\u003eModel: 4868998-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-1500\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1976-1990s\u003c\/td\u003e\n \u003ctd\u003e813715A1\u003c\/td\u003e\n \u003ctd\u003eModel: 4868998-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-175\u003c\/td\u003e\n \u003ctd\u003e175\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1976-1990s\u003c\/td\u003e\n \u003ctd\u003e813715A1\u003c\/td\u003e\n \u003ctd\u003eModels: 4301235-0C100860, 8058870-UP\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-200\u003c\/td\u003e\n \u003ctd\u003e200\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1976-1990s\u003c\/td\u003e\n \u003ctd\u003e813715A1\u003c\/td\u003e\n \u003ctd\u003eModel: 5239232-0C100860\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eSpark Plug Wire\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eDirect plug-in replacement\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eFuel Type\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eGasoline\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eCoil-to-spark plug\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eSilicone jacketing with Kevlar core\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e9\" (228.6 mm) nominal; 9-1\/2\" (241.3 mm) end-to-end\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eCore Construction\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eStainless steel wound conductor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eRFI suppression, corrosion-resistant terminals\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e1 Year\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cp\u003eIncludes one (1) spark plug wire, equivalent to part numbers: \u003cstrong\u003e813715A1, 90816A25, 93475A25, 99215A25\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Ensure the engine is completely turned off, cool to the touch, and the battery is disconnected.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLocate Wire:\u003c\/strong\u003e Identify the specific spark plug wire you are replacing. It's often best to replace one wire at a time to avoid mixing up connections.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRemove Old Wire:\u003c\/strong\u003e Gently grasp the boot at the spark plug end, twist slightly, and pull it straight off. Do the same for the ignition coil end.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVerify Fit:\u003c\/strong\u003e Compare the new wire with the old one to ensure the length and boot angles match.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePrep New Wire:\u003c\/strong\u003e Apply a small amount of dielectric grease to the inside of each boot to ease installation and improve sealing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInstall New Wire:\u003c\/strong\u003e Firmly press the coil-side boot onto the ignition coil terminal until you feel it click into place.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eConnect to Plug:\u003c\/strong\u003e Route the wire correctly and press the other boot firmly over the spark plug until it is fully seated.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinal Check:\u003c\/strong\u003e Reconnect the battery, start the engine, and listen for a smooth idle to confirm proper installation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this part fits my specific engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The most reliable method is to match your old part number to the ones listed in our cross-reference table. You can also use our compatibility table to check your engine model, HP, and year range. For Mercury engines, using the serial number guide is highly recommended for precise identification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the common signs of a failing spark plug wire?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Symptoms of a bad wire include engine misfires (especially under load), a rough or unstable idle, decreased acceleration and power, and potentially radio frequency interference (RFI) causing static on your marine radio or electronics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is there a quality difference between this aftermarket wire and an OEM one?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is an aftermarket part built to meet or exceed original equipment manufacturer (OEM) specifications. It features a durable silicone jacket, a Kevlar-reinforced core, and a stainless steel wound conductor for excellent conductivity and RFI suppression, similar to high-quality OEM parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":49538495643961,"sku":"24SP084","price":20.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/9_inches_Spark_Plug_Wire_fits_Mercury_Marine_150_175_200_HP_Outboard_Motors___18-5228_-_JLM_MARINE-8286628.jpg?v=1755138751"},{"product_id":"7-spark-plug-wire-fits-mercury-marine-150-175-200-hp-outboard-motors-18-8819","title":"7\" Spark Plug Wire – Fits Mercury Marine 150-200 HP Outboard Motors (Replaces 18-8819)","description":"\u003ch2\u003e7\" Spark Plug Wire – Fits Mercury Marine 150-200 HP Outboard Motors (Replaces 18-8819)\u003c\/h2\u003e\n\u003cp\u003eThis 7-inch spark plug wire is designed for Mercury Marine 150-200 HP V6 outboard motors (1970-1988), including V-150, V-175, and V-200 series engines. It provides a reliable, high-performance connection between the ignition coil\/distributor and the spark plug.\u003c\/p\u003e\n\u003cp\u003eThis component serves as a direct replacement for Sierra part number 18-8819 and multiple Mercury Marine OEM part numbers, ensuring a precise fit and restoring original performance for your engine's ignition system.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMarine-Grade Durability:\u003c\/strong\u003e Constructed with silicone insulation and stainless steel components to resist heat, saltwater corrosion, vibration, and fuel exposure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirect Fit Installation:\u003c\/strong\u003e Designed as a direct replacement part, featuring a terminal end for the coil\/distributor and a boot end for the spark plug for a straightforward installation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePrecise Length:\u003c\/strong\u003e This wire is \u003cstrong\u003e7 inches (178 mm)\u003c\/strong\u003e long. Please verify the required length for your specific cylinder, as other lengths may be necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n \u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSierra\u003c\/td\u003e\n \u003ctd\u003e18-8819\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e813715A1, 90816A25, 93475A25, 99215A25, 99215A29, 20114A2, 20122A2, 23564A4, 23564A5, 23564A6, 23564A8, 23564A9, 26453A1, 26460A1, 47899A9, 63212A2, 697331, 70668, 73451A8, 762238\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n \u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003cth\u003eOEM Part No.\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970-1988\u003c\/td\u003e\n \u003ctd\u003e813715A1, 90816A25\u003c\/td\u003e\n \u003ctd\u003eSerial range: 4868998-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150 Magnum\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970-1988\u003c\/td\u003e\n \u003ctd\u003e813715A1, 90816A25\u003c\/td\u003e\n \u003ctd\u003eSerial range: 5600162-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150 Marathon\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970-1988\u003c\/td\u003e\n \u003ctd\u003e813715A1, 90816A25\u003c\/td\u003e\n \u003ctd\u003eSerial range: 5600162-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150 Work\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970-1988\u003c\/td\u003e\n \u003ctd\u003e813715A1, 90816A25\u003c\/td\u003e\n \u003ctd\u003eSerial range: 4868998-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-150-XR-2\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970-1988\u003c\/td\u003e\n \u003ctd\u003e813715A1, 90816A25\u003c\/td\u003e\n \u003ctd\u003eSerial range: 4868998-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-1500\u003c\/td\u003e\n \u003ctd\u003e150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970-1988\u003c\/td\u003e\n \u003ctd\u003e813715A1, 90816A25\u003c\/td\u003e\n \u003ctd\u003eSerial range: 4868998-0A904645\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-175\u003c\/td\u003e\n \u003ctd\u003e175\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970-1988\u003c\/td\u003e\n \u003ctd\u003e813715A1, 90816A25\u003c\/td\u003e\n \u003ctd\u003eSerial range: 4301235-0C100860, 8058870-UP\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eV-200\u003c\/td\u003e\n \u003ctd\u003e200\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1970-1988\u003c\/td\u003e\n \u003ctd\u003e813715A1, 90816A25\u003c\/td\u003e\n \u003ctd\u003eSerial range: 5239232-0C100860\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eSpark Plug Wire\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eDirect replacement\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e7 inches (178 mm)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eMercury Marine outboard engines\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eSilicone insulation with stainless steel components\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eTerminal end connects to coil\/distributor, boot end connects to spark plug\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eBlack\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e1 Year (retailer dependent)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e1 x 7\" Spark Plug Wire\u003c\/strong\u003e (\u003cspan style=\"color:red;\"\u003eReplaces 813715A1, 90816A25\u003c\/span\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eEnsure the engine is completely off, cool to the touch, and the boat's battery is disconnected.\u003c\/li\u003e\n \u003cli\u003eIdentify the specific spark plug wire you intend to replace. Work on one wire at a time to avoid mixing up connections.\u003c\/li\u003e\n \u003cli\u003eFirmly grasp the boot at the spark plug end, twist it gently to break the seal, and pull it straight off the plug.\u003c\/li\u003e\n \u003cli\u003eTrace the wire back to the distributor or coil, grasp the boot, and pull it straight off the terminal.\u003c\/li\u003e\n \u003cli\u003eCompare the new spark plug wire with the old one to confirm an identical match in length and connector types.\u003c\/li\u003e\n \u003cli\u003eLightly apply dielectric grease to the inside of both boots on the new wire to ease installation and improve sealing.\u003c\/li\u003e\n \u003cli\u003ePress the distributor\/coil boot onto its terminal until you feel it click into place.\u003c\/li\u003e\n \u003cli\u003eRoute the new wire along the same path as the original, then press the spark plug boot firmly onto the spark plug until it seats securely.\u003c\/li\u003e\n \u003cli\u003eReconnect the boat's battery, start the engine, and check for smooth operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this wire fits my specific engine cylinder?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This is a \u003cstrong\u003e7-inch wire\u003c\/strong\u003e. While it fits the listed V6 models, different cylinder positions may require different lengths (e.g., 5\", 9\", or 12\"). Always measure your old wire or consult your owner's manual to confirm the required length before ordering to ensure correct fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are common signs of a failing spark plug wire?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Symptoms of a bad wire include engine misfires (especially under load), rough idling, difficulty starting, reduced acceleration, and decreased fuel efficiency. You may also see visible damage like cracks in the insulation, burn marks, or corrosion on the terminals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my spark plug wires?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: There is no universal replacement interval, but it is good practice to inspect them for damage during regular maintenance and consider replacing them every few seasons or when you replace your spark plugs, especially in a harsh saltwater environment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":49538549743929,"sku":"24SP086","price":21.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/7_inches_Spark_Plug_Wire_fits_Mercury_Marine_150_175_200_HP_Outboard_Motors______18-8819_-_JLM_MARINE-8286634.jpg?v=1755400225"},{"product_id":"lower-unit-non-magnetic-oil-plug-for-mercury-mariner-outboard-and-mercruiser-sterndrive-79953q04","title":"Gearcase Drain Plug – Fits Mercury\/MerCruiser Marine Engines (Replaces 10-79953Q04, 79953Q04)","description":"\n\u003ch2\u003eGearcase Drain Plug – Fits Mercury\/MerCruiser Marine Engines (Replaces 10-79953Q04, 79953Q04)\u003c\/h2\u003e\n\n\u003cp\u003eThis gearcase drain and fill plug is designed for a wide range of Mercury outboard engines, including 30-125 HP EFI models, and various MerCruiser sterndrive units. It serves as a crucial component for draining and refilling gearcase lubricant in the lower unit.\u003c\/p\u003e\n\n\u003cp\u003eThis part is a direct replacement for Mercury part numbers \u003cstrong\u003e10-79953Q04, 79953Q04, 10-79953A2, 10-79953Q2\u003c\/strong\u003e and Sierra part number \u003cstrong\u003e18-2244\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eInstallation Method:\u003c\/strong\u003e Simple threaded screw-in installation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Constructed from durable brass for corrosion resistance in marine environments.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eComplete Assembly:\u003c\/strong\u003e Includes the required sealing washer\/gasket for a leak-proof fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e10-79953Q04\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e79953Q04\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e10-79953A2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e10-79953Q2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSierra\u003c\/td\u003e\n \u003ctd\u003e18-2244\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eEFI Outboards\u003c\/td\u003e\n \u003ctd\u003e30, 40, 75, 80, 90, 115, 125\u003c\/td\u003e\n \u003ctd\u003e3 Cyl EFI models\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\/MerCruiser\u003c\/td\u003e\n \u003ctd\u003eVarious Sterndrive\/Outdrive\u003c\/td\u003e\n \u003ctd\u003eN\/A\u003c\/td\u003e\n \u003ctd\u003eUsed in gearcase\/lower unit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eGearcase Drain\/Fill Plug\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eThreaded\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eLower Unit Gearcase\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eMetal (Brass)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eHousing Color\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eSilver\/Metallic\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eFitting Type\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eScrew with Gasket\/Seal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eOther Technical Attributes\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eIncludes sealing washer\/gasket; used for both draining and filling gear oil in lower units\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 x Lower Unit Gear Lube Drain w\/Fill Hole Screw (79953Q04)\u003c\/li\u003e\n \u003cli\u003e1 x \u003cspan style=\"color:red;\"\u003eSeal\/Gasket (included with assembly)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eLocate the gearcase drain\/fill plugs on the lower unit. There are typically two: an upper (vent) and a lower (drain).\u003c\/li\u003e\n \u003cli\u003ePosition a suitable drain pan underneath the lower plug.\u003c\/li\u003e\n \u003cli\u003eRemove the lower drain plug using a large flathead screwdriver, allowing the old gear lube to drain completely.\u003c\/li\u003e\n \u003cli\u003eRemove the upper vent plug to allow air to enter, which speeds up the draining process.\u003c\/li\u003e\n \u003cli\u003eInspect the old plugs and magnetic tips for any metal shavings, which can indicate excessive gear wear.\u003c\/li\u003e\n \u003cli\u003eClean the threads on the gearcase housing before installation.\u003c\/li\u003e\n \u003cli\u003eInstall the new drain plug with its gasket in the lower hole and tighten it securely, but do not overtighten.\u003c\/li\u003e\n \u003cli\u003eFill the gearcase with the manufacturer-specified lubricant through the upper vent hole until fluid begins to flow out.\u003c\/li\u003e\n \u003cli\u003eInstall the new upper vent plug with its gasket and tighten securely.\u003c\/li\u003e\n \u003cli\u003eClean any excess lubricant from the lower unit housing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this fits my engine?\u003c\/strong\u003e\u003cbr\u003e\nFirst, check your existing part for a part number and compare it to those listed in our cross-reference table. Second, review the compatible engine models table. For Mercury engines, use the provided \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e to confirm your model details.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this used for both draining and filling the gearcase?\u003c\/strong\u003e\u003cbr\u003e\nYes, this screw and seal assembly is used for both the lower drain hole and the upper vent\/fill hole on compatible Mercury and MerCruiser lower units.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the included gasket?\u003c\/strong\u003e\u003cbr\u003e\nThe gasket (seal) is critical for preventing gear lube from leaking out and water from entering the gearcase. \u003cstrong\u003eAlways use a new gasket\u003c\/strong\u003e with each installation to ensure a proper seal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nThis listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nWe offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":49546754785593,"sku":"22GK033","price":15.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Lower_Unit_Non-Magnetic_Oil_Plug_for_Mercury_Mariner_Outboard_and_MerCruiser_Sterndrive_______79953Q04_-_JLM_MARINE-8287053.jpg?v=1755052041"},{"product_id":"drain-screw-gasket-for-mercury-mercruiser-and-johnson-evinrude-lower-unit-12-19183","title":"Drain Screw Gasket for Mercury MerCruiser and Johnson Evinrude Lower Unit 12-19183","description":"\u003ch2\u003eDrain Screw Gasket – Fits Mercury MerCruiser \u0026amp; Johnson Evinrude Outboards\u003c\/h2\u003e\n\u003cp\u003eThis rubber-coated stainless steel washer forms a tear-resistant seal for the \u003cstrong\u003e3\/8-16 drain\/fill screw holes\u003c\/strong\u003e in outboard and stern drive gearcases. It is designed for use on a wide range of Mercury, MerCruiser, Johnson, and Evinrude marine engines, providing a reliable, leak-free fit without requiring compression.\u003c\/p\u003e\n\u003cp\u003eThis part directly replaces Mercury 12-19183Q02, 12-19183K02, 12-191833, 191832, 19183, 19183B, 20260B, 20260, F8186, F50556, F8077; Johnson Evinrude 307552, 300434; Sierra 18-2244, 18-2945, 18-29451-9; GLM 31170; Mallory 9-60101, 9-60102; and SEI Marine 98-102-09.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTear-Resistant Seal:\u003c\/strong\u003e Creates a durable seal for 3\/8-16 drain\/fill screw holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Material:\u003c\/strong\u003e Made from high-quality, rubber-coated stainless steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern Design:\u003c\/strong\u003e The newer yellow design seals effectively without needing to be crushed like older fiber gaskets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury \/ MerCruiser\u003c\/td\u003e\n\u003ctd\u003e12-19183Q02, 12-19183K02, 12-191833, 191832, 19183, 19183B, 20260B, 20260, F8186, F50556, F8077\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson \/ Evinrude\u003c\/td\u003e\n\u003ctd\u003e307552, 300434\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-2244, 18-2945, 18-29451-9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e31170\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-60101, 9-60102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEI Marine\u003c\/td\u003e\n\u003ctd\u003e98-102-09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca rel=\"nofollow noopener\" href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca rel=\"nofollow noopener\" href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Johnson\/Evinrude owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca rel=\"nofollow noopener\" href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/johnson-serial-number-guide\" target=\"_blank\"\u003eJohnson\/Evinrude Serial Number Guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003ch3\u003eMercury\/MerCruiser\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard Motors\u003c\/td\u003e\n\u003ctd\u003eAll*\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003e*Except Japanese origin models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard Lower Units\u003c\/td\u003e\n\u003ctd\u003eAll*\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003e*For 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003eAll Stern Drives\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003eFor 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3L, 5.0L, 5.7L, 6.2L\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003eConfirmed fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350, 377, 383 MPI\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003eConfirmed fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eJohnson\/Evinrude\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard Lower Units\u003c\/td\u003e\n\u003ctd\u003eAll*\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e307552\u003c\/td\u003e\n\u003ctd\u003e*For 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eMultiple Models\u003c\/td\u003e\n\u003ctd\u003e18-75 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e307552\u003c\/td\u003e\n\u003ctd\u003eUsed with compatible drain screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eChrysler\/Force\/US Marine\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChrysler\/Force\/US Marine\u003c\/td\u003e\n\u003ctd\u003eOutboard Lower Units\u003c\/td\u003e\n\u003ctd\u003eAll*\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eF50556, F8077, F8186\u003c\/td\u003e\n\u003ctd\u003e*For 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDrain\/Fill Screw Gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eUse with 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eRubber-coated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Color\u003c\/td\u003e\n\u003ctd\u003eYellow (newer design) or Blue (older design)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Size\u003c\/td\u003e\n\u003ctd\u003e3\/8-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Technical Attributes\u003c\/td\u003e\n\u003ctd\u003eDesigned to form tear-resistant seal without requiring compression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e12 x Drain Screw Gasket (\u003cspan style=\"color: red;\"\u003e12-19183Q02\u003c\/span\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLocate the drain and fill screws on the lower unit gearcase. They are typically large, flathead screws.\u003c\/li\u003e\n\u003cli\u003ePosition a suitable drain pan under the lower screw (drain screw).\u003c\/li\u003e\n\u003cli\u003eRemove the top screw (vent screw) first, then remove the bottom drain screw to allow the oil to drain completely.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old gasket from each screw. Clean the screw threads and the sealing surface on the gearcase.\u003c\/li\u003e\n\u003cli\u003eSlide the new gasket onto each screw.\u003c\/li\u003e\n\u003cli\u003eReinstall the bottom drain screw first and tighten until snug. \u003cstrong\u003eDo not overtighten.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFill the gearcase with the recommended lubricant through the bottom hole until it flows out of the top vent hole.\u003c\/li\u003e\n\u003cli\u003eReinstall the top vent screw and tighten securely. Wipe away any excess oil and inspect for leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this gasket will fit my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This gasket is designed for most Mercury, MerCruiser, Johnson, and Evinrude models with \u003cstrong\u003e3\/8-16 drain\/fill screw holes\u003c\/strong\u003e. The best way to confirm fitment is to check your OEM part number against the cross-reference list provided on this page. Also, verify your engine model is listed in the compatibility tables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the yellow gasket and the older blue ones?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The \u003cstrong\u003eyellow gasket is a newer design\u003c\/strong\u003e made of a rubber-coated stainless steel that seals effectively without being crushed. The older style blue, orange, or black gaskets were a fiber design that required compression to create a seal and were typically single-use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my drain screw gaskets?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It is highly recommended to \u003cstrong\u003ereplace the drain and fill screw gaskets every time you change your gearcase oil\u003c\/strong\u003e. This ensures a proper, leak-free seal and protects your engine's lower unit from water intrusion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":49568093995321,"sku":"2151","price":12.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Drain_Screw_Gasket_for_Mercury_MerCruiser_and_Johnson_Evinrude_Lower_Unit________12-19183_-_JLM_MARINE-8287485.jpg?v=1755742140"},{"product_id":"outdrive-mounting-gasket-set-replaces-mercruiser-r-mr-and-alpha-gen-i-and-ii-drives-27-94996q2","title":"Outdrive Mounting Gasket Set – Fits MerCruiser R, MR, and Alpha Gen I, II (Replaces 27-94996Q2)","description":"\u003ch2\u003eOutdrive Mounting Gasket Set – Fits MerCruiser R, MR, and Alpha Gen I, II (Replaces 27-94996Q2)\u003c\/h2\u003e\n\u003cp\u003eThis outdrive mounting gasket set fits \u003cstrong\u003eMerCruiser R, MR, and Alpha One\/Gen II stern drives\u003c\/strong\u003e (serial numbers 6225577 and higher, from 1983 and newer).\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for Mercury\/MerCruiser part numbers \u003cstrong\u003e27-94996Q2\u003c\/strong\u003e and \u003cstrong\u003e27-94996T2\u003c\/strong\u003e, along with several aftermarket equivalents, ensuring a reliable seal between the bell housing and the outdrive unit.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eEngineered for a direct fit to replace original bell housing gaskets and seals.\u003c\/li\u003e\n \u003cli\u003eConstructed from a durable, seawater corrosion-resistant rubber and paperboard composite.\u003c\/li\u003e\n \u003cli\u003eProvides a complete 6-piece gasket and O-ring set for a full installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\/MerCruiser\u003c\/td\u003e\n \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\/MerCruiser\u003c\/td\u003e\n \u003ctd\u003e27-94996T2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSierra\u003c\/td\u003e\n \u003ctd\u003e18-2619\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSierra\u003c\/td\u003e\n \u003ctd\u003e18-2619-1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eGLM\u003c\/td\u003e\n \u003ctd\u003e39622\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEMP\u003c\/td\u003e\n \u003ctd\u003e27-02386\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMallory\u003c\/td\u003e\n \u003ctd\u003e9-62601\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" target=\"_blank\" rel=\"nofollow noopener\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" target=\"_blank\" rel=\"nofollow noopener\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003cth\u003eOEM Part No.\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMerCruiser\u003c\/td\u003e\n \u003ctd\u003eR Sterndrives\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1983 and up\u003c\/td\u003e\n \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n \u003ctd\u003eSerial numbers 6225577 and higher\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMerCruiser\u003c\/td\u003e\n \u003ctd\u003eMR Sterndrives\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1983 and up\u003c\/td\u003e\n \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n \u003ctd\u003eSerial numbers 6225577 and higher\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMerCruiser\u003c\/td\u003e\n \u003ctd\u003eAlpha One\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1983 and up\u003c\/td\u003e\n \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n \u003ctd\u003eSerial numbers 6225577 and higher\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMerCruiser\u003c\/td\u003e\n \u003ctd\u003eAlpha One Gen II\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e1983 and up\u003c\/td\u003e\n \u003ctd\u003e27-94996Q2\u003c\/td\u003e\n \u003ctd\u003eSerial numbers 6225577 and higher\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eProduct Type\u003c\/td\u003e\n \u003ctd\u003eOutdrive Installation Gasket Set\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInstallation\u003c\/td\u003e\n \u003ctd\u003eDirect replacement\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eConnection\u003c\/td\u003e\n \u003ctd\u003eBell housing to outdrive\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHousing Material\u003c\/td\u003e\n \u003ctd\u003eRubber\/paperboard composite\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHousing Color\u003c\/td\u003e\n \u003ctd\u003eBlack\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eFitting Type\u003c\/td\u003e\n \u003ctd\u003eDirect fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n \u003ctd\u003eMarine saltwater environment\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWarranty\u003c\/td\u003e\n \u003ctd\u003eManufacturer dependent (typically 1 year)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOther Technical Attributes\u003c\/td\u003e\n \u003ctd\u003eSeawater corrosion resistant\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e6-Piece Gasket and O-ring Set (Replaces 27-94996Q2) Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e1 x Gasket\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:red;\"\u003e5 x Rubber O-rings\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eEnsure the engine is off and the drive is trimmed to a safe, workable position. Disconnect the battery for safety.\u003c\/li\u003e\n \u003cli\u003eCarefully remove the mounting nuts connecting the sterndrive to the bell housing.\u003c\/li\u003e\n \u003cli\u003eGently separate the sterndrive from the bell housing, taking care not to damage any cables or hoses.\u003c\/li\u003e\n \u003cli\u003eRemove the old gasket and O-rings. Thoroughly clean both mating surfaces, ensuring they are free of old material, sealant, and debris.\u003c\/li\u003e\n \u003cli\u003ePlace the new gasket onto the bell housing, aligning it with the mounting studs.\u003c\/li\u003e\n \u003cli\u003eInstall the new O-rings into their designated grooves on the bell housing side.\u003c\/li\u003e\n \u003cli\u003eCarefully guide the sterndrive back onto the bell housing, ensuring the drive shaft, shift shaft, and water tube align correctly.\u003c\/li\u003e\n \u003cli\u003eReinstall the mounting nuts and torque them to the manufacturer-specified values in the correct sequence.\u003c\/li\u003e\n \u003cli\u003eReconnect the battery. After launching, check for any signs of water or oil leaks around the seal.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this gasket set will fit my MerCruiser drive?\u003c\/strong\u003e\u003cbr\u003e\nA: This set is designed for MerCruiser R, MR, Alpha One, and Alpha One Gen II sterndrives from 1983 and newer, specifically those with serial numbers 6225577 and higher. Please verify your model and serial number against the compatibility table.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my outdrive gasket needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common signs include water in your gear lube (milky-looking oil), oil leaking from the connection between the outdrive and bell housing, or visible corrosion and degradation of the old gasket during inspection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a complete kit for installation?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, this kit includes the primary gasket and all five necessary O-rings for mounting the outdrive to the bell housing for the models listed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should the outdrive mounting gasket be replaced?\u003c\/strong\u003e\u003cbr\u003e\nA: It is standard practice to replace the gasket and O-rings every time the outdrive is removed for service to ensure a proper, leak-free seal upon reinstallation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":49568155205945,"sku":"18GK001","price":17.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Outdrive_Mounting_Gasket_Set_Replaces_MerCruiser_R_MR_and_Alpha_Gen_I_and_II_Drives____________27-94996Q2_-_JLM_MARINE-8287523.png?v=1755252763"},{"product_id":"water-pump-impeller-for-evinrude-johnson-omc-14-20-35-hp-0395289","title":"388702 Water Pump Impeller for Johnson Evinrude | JLM Marine","description":"\u003ch2\u003eWater Pump Impeller 388702 for Johnson Evinrude Outboard Motors – 20-35 HP\u003c\/h2\u003e\n\n\u003cp\u003eThis high-performance water pump impeller is designed as a direct replacement for \u003cstrong\u003eJohnson and Evinrude 2-stroke outboard motors\u003c\/strong\u003e ranging from \u003cstrong\u003e20 HP to 35 HP\u003c\/strong\u003e. Engineered with marine-grade \u003cstrong\u003eneoprene rubber and brass insert\u003c\/strong\u003e, it delivers reliable cooling performance across a wide range of applications from 1978 and newer models.\u003c\/p\u003e\n\n\u003cp\u003eThis impeller directly replaces OEM part numbers \u003cstrong\u003e388702, 47-89982, 47-65958, 395289, and 395265\u003c\/strong\u003e, as well as aftermarket equivalents including \u003cstrong\u003eSierra 18-3051 and CEF 500370\u003c\/strong\u003e, ensuring broad compatibility and easy sourcing.\u003c\/p\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e6-blade neoprene impeller\u003c\/strong\u003e with brass insert for durability and corrosion resistance\u003c\/li\u003e\n \u003cli\u003eFits multiple horsepower ratings across decades of Johnson Evinrude 2-stroke engines\u003c\/li\u003e\n \u003cli\u003ePrecision-engineered dimensions for direct OEM replacement fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson \/ Evinrude (OEM)\u003c\/td\u003e\n \u003ctd\u003e388702\u003c\/td\u003e\n \u003ctd\u003ePrimary OEM number\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson \/ Evinrude (OEM)\u003c\/td\u003e\n \u003ctd\u003e47-89982\u003c\/td\u003e\n \u003ctd\u003eOEM alternate\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson \/ Evinrude (OEM)\u003c\/td\u003e\n \u003ctd\u003e47-65958\u003c\/td\u003e\n \u003ctd\u003eOEM alternate\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson \/ Evinrude (OEM)\u003c\/td\u003e\n \u003ctd\u003e395289\u003c\/td\u003e\n \u003ctd\u003eOEM alternate\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson \/ Evinrude (OEM)\u003c\/td\u003e\n \u003ctd\u003e395265\u003c\/td\u003e\n \u003ctd\u003eOEM alternate\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSierra\u003c\/td\u003e\n \u003ctd\u003e18-3051\u003c\/td\u003e\n \u003ctd\u003eAftermarket equivalent\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eCEF\u003c\/td\u003e\n \u003ctd\u003e500370\u003c\/td\u003e\n \u003ctd\u003eAftermarket equivalent\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Johnson\/Evinrude owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/johnson-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eJohnson\/Evinrude Serial Number Guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson Evinrude\u003c\/td\u003e\n \u003ctd\u003e20 HP\u003c\/td\u003e\n \u003ctd\u003e2 Stroke\u003c\/td\u003e\n \u003ctd\u003e1982 \u0026amp; UP\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson Evinrude\u003c\/td\u003e\n \u003ctd\u003e25 HP\u003c\/td\u003e\n \u003ctd\u003e2 Stroke\u003c\/td\u003e\n \u003ctd\u003e1979 \u0026amp; UP\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson Evinrude\u003c\/td\u003e\n \u003ctd\u003e28 HP\u003c\/td\u003e\n \u003ctd\u003e2 Stroke\u003c\/td\u003e\n \u003ctd\u003e1978 \u0026amp; UP\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson Evinrude\u003c\/td\u003e\n \u003ctd\u003e30 HP\u003c\/td\u003e\n \u003ctd\u003e2 Stroke\u003c\/td\u003e\n \u003ctd\u003e1984 \u0026amp; UP\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson Evinrude\u003c\/td\u003e\n \u003ctd\u003e35 HP\u003c\/td\u003e\n \u003ctd\u003e2 Stroke\u003c\/td\u003e\n \u003ctd\u003e1978 \u0026amp; UP\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaterial\u003c\/td\u003e\n \u003ctd\u003eNeoprene and Brass\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eNumber of Blades\u003c\/td\u003e\n \u003ctd\u003e6\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInternal \/ Insert \/ Hub \/ Shaft Size\u003c\/td\u003e\n \u003ctd\u003e0.628 inch (16.00 mm)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDepth \/ Height \/ Width \/ Thickness\u003c\/td\u003e\n \u003ctd\u003e0.754 inch\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOverall \/ Outer \/ External Diameter\u003c\/td\u003e\n \u003ctd\u003e2.015 inch (51.00 mm)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eItem Weight\u003c\/td\u003e\n \u003ctd\u003eApprox. 37 g\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003eYour package includes:\u003c\/p\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Outboard Impeller\u003c\/strong\u003e\u003c\/span\u003e (Neoprene with brass insert)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n \u003cli\u003eDisconnect the fuel line and remove the lower unit from the outboard motor according to your engine's service manual.\u003c\/li\u003e\n \u003cli\u003eRemove the water pump housing cover and note the orientation of the old impeller before extraction.\u003c\/li\u003e\n \u003cli\u003eCarefully extract the old impeller using impeller pullers or needle-nose pliers. Avoid damaging the pump housing.\u003c\/li\u003e\n \u003cli\u003eClean the pump housing thoroughly, removing any debris, old gasket material, or corrosion.\u003c\/li\u003e\n \u003cli\u003eLubricate the new impeller with water-resistant marine grease or glycerin to ease installation and prevent dry start damage.\u003c\/li\u003e\n \u003cli\u003eInstall the new impeller with blades oriented in the correct rotation direction (consult your service manual for proper rotation).\u003c\/li\u003e\n \u003cli\u003eEnsure the brass insert is properly seated on the drive shaft and the impeller is fully seated in the housing.\u003c\/li\u003e\n \u003cli\u003eReplace the pump housing gasket with a new one and apply a thin layer of marine-grade sealant if recommended.\u003c\/li\u003e\n \u003cli\u003eReinstall the water pump housing cover and torque bolts to manufacturer specifications.\u003c\/li\u003e\n \u003cli\u003eReattach the lower unit to the engine, ensuring proper alignment and secure mounting.\u003c\/li\u003e\n \u003cli\u003eReconnect the fuel line and test the cooling system by running the engine with a water supply (flush muffs or in-water test).\u003c\/li\u003e\n \u003cli\u003eCheck for proper water discharge from the tell-tale indicator and verify no leaks around the pump housing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this impeller fits my Johnson or Evinrude engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's horsepower, model year, and stroke type with the compatibility table above. You can also verify by matching the OEM part number (388702, 395289, 47-89982, etc.) found in your engine's parts diagram or service manual.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my water pump impeller?\u003c\/strong\u003e\u003cbr\u003e\nA: Most manufacturers recommend replacing the impeller every 2–3 years or every 200–300 hours of operation, whichever comes first. If you frequently operate in sandy or debris-filled water, inspect and replace more often.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my impeller is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include weak or no water flow from the tell-tale indicator, engine overheating, steam from the engine, or reduced cooling performance. Inspect the impeller immediately if any of these occur.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this impeller myself or do I need a professional?\u003c\/strong\u003e\u003cbr\u003e\nA: If you have mechanical experience and the proper tools, installation is straightforward following the service manual. However, professional installation is recommended to ensure proper fitment, correct blade orientation, and to avoid damage to the pump housing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket impeller?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":50490253803833,"sku":"17IO002","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Water_Pump_Impeller_for_Evinrude_Johnson_OMC_14-20-35_hp_0395289_-_JLM_MARINE-8290167.jpg?v=1755742019"},{"product_id":"388702-water-pump-impeller-for-johnson-evinrude-20hp-25hp-28hp-30hp-35hp-jlm-marine","title":"388702 Water Pump Impeller for Johnson Evinrude 20HP 25HP 28HP 30HP 35HP | JLM Marine","description":"\u003ch2\u003eWater Pump Impeller 388702 – Fits Johnson\/Evinrude 20HP 25HP 28HP 30HP 35HP Outboard Motors\u003c\/h2\u003e\n\n\u003cp\u003eThis high-performance water pump impeller is engineered for \u003cstrong\u003eJohnson\/Evinrude 2-stroke outboard motors rated 20HP, 25HP, 28HP, 30HP, and 35HP\u003c\/strong\u003e. Designed to deliver reliable cooling performance, this impeller ensures proper water circulation through your engine's cooling system, protecting against overheating and extending motor life.\u003c\/p\u003e\n\n\u003cp\u003eThis aftermarket replacement impeller directly replaces OEM part numbers \u003cstrong\u003e388702\u003c\/strong\u003e, \u003cstrong\u003e395289\u003c\/strong\u003e, \u003cstrong\u003e395265\u003c\/strong\u003e, \u003cstrong\u003e47-89982\u003c\/strong\u003e, and \u003cstrong\u003e47-65958\u003c\/strong\u003e, providing a cost-effective alternative without compromising quality or performance.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eConstructed from \u003cstrong\u003escientifically engineered high-performance neoprene rubber\u003c\/strong\u003e for superior durability and marine corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes impeller with key\/pin for complete installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-blade design\u003c\/strong\u003e optimized for efficient water flow and cooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e388702\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e395289\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e395265\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e47-89982\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e47-65958\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCEF\u003c\/td\u003e\n\u003ctd\u003e500370\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Johnson\/Evinrude owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/johnson-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eJohnson Serial Number Guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e20HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e25HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e28HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e30HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e35HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-performance neoprene rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Blades\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Impeller Overall Diameter\u003c\/td\u003e\n\u003ctd\u003e51.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Shaft Insert Diameter\u003c\/td\u003e\n\u003ctd\u003e16.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 37 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Outboard Rubber Impeller with Key\/Pin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisconnect the fuel line\u003c\/strong\u003e and remove the engine cowling to access the lower unit. Ensure the engine is off and cool before starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the water pump housing\u003c\/strong\u003e by unscrewing the mounting bolts that secure it to the lower unit gearcase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtract the old impeller\u003c\/strong\u003e from the pump housing carefully, noting the direction of the blade curvature for proper installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect the pump housing and plate\u003c\/strong\u003e for cracks, corrosion, or wear. Replace any damaged components before continuing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubricate the new impeller blades\u003c\/strong\u003e with a marine-grade water-resistant grease or glycerin to prevent tearing during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the key\/pin into the impeller shaft slot\u003c\/strong\u003e as indicated, ensuring it is seated properly to engage with the drive shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert the new impeller into the housing\u003c\/strong\u003e with blades oriented in the correct rotation direction (typically curved in the direction of shaft rotation).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall the pump housing onto the lower unit\u003c\/strong\u003e, aligning all bolt holes and gasket surfaces carefully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque mounting bolts to manufacturer specifications\u003c\/strong\u003e in a crisscross pattern to ensure even sealing and prevent leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReattach the engine cowling\u003c\/strong\u003e and reconnect the fuel line securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun the engine in a test tank or on muffs\u003c\/strong\u003e and confirm strong water flow from the telltale outlet. Monitor engine temperature during the first few minutes of operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this impeller fits my Johnson\/Evinrude engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's horsepower and model year with the compatibility table above. If your engine originally used OEM part numbers 388702, 395289, 395265, 47-89982, or 47-65958, this impeller is the correct replacement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my water pump impeller?\u003c\/strong\u003e\u003cbr\u003e\nA: Most manufacturers recommend replacing the impeller every 2–3 years or 200–300 hours of operation, whichever comes first. If you operate in sandy, silty, or debris-heavy water, inspect and replace it more frequently.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my impeller is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include weak or no water flow from the telltale, engine overheating, steam from the engine, or reduced performance. Inspect the impeller immediately if you notice any of these signs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this impeller myself or do I need a mechanic?\u003c\/strong\u003e\u003cbr\u003e\nA: If you have basic mechanical skills and the right tools, you can install this impeller yourself by following the installation guide. However, professional installation is recommended if you're unfamiliar with outboard motor servicing to ensure proper fit and function.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between this aftermarket impeller and the OEM version?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51940927734073,"sku":"17IO002-K","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/519rGCSVSVL.jpg?v=1771121268"},{"product_id":"332-4911a2-switch-box-power-pack-for-mercury-mariner-jlm-marine","title":"332-4911A2 Switch Box Power Pack for Mercury Mariner | JLM Marine","description":"\u003ch2\u003eSwitch Box Power Pack – Fits Mercury Mariner 20HP \u0026amp; 40HP (1972-1977)\u003c\/h2\u003e\n\n\u003cp\u003eThis aftermarket switch box power pack is designed as a direct replacement for Mercury Mariner 20HP and 40HP outboard engines manufactured between 1972 and 1977. Engineered with high-quality plastic materials, this unit ensures maximum strength, durability, and long-lasting performance in demanding marine environments.\u003c\/p\u003e\n\n\u003cp\u003eThis switch box replaces multiple OEM part numbers including \u003cstrong\u003e332-4911A2\u003c\/strong\u003e, \u003cstrong\u003e332-4911A3\u003c\/strong\u003e, \u003cstrong\u003e332-4911A5\u003c\/strong\u003e, \u003cstrong\u003e332-4911A8\u003c\/strong\u003e, \u003cstrong\u003e338-4733A2\u003c\/strong\u003e, and aftermarket equivalent \u003cstrong\u003e18-5786\u003c\/strong\u003e, providing broad compatibility across the specified engine range.\u003c\/p\u003e\n\n\u003cul\u003e\n \u003cli\u003eDirect replacement for original switch box – plug-and-play installation\u003c\/li\u003e\n \u003cli\u003eHigh-quality plastic construction for enhanced durability and longevity\u003c\/li\u003e\n \u003cli\u003eComprehensive cross-reference coverage for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e332-4911A2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e332-4911A3\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e332-4911A5\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e332-4911A8\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e338-4733A2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003e18-5786\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n \u003ctd\u003eMariner\u003c\/td\u003e\n \u003ctd\u003e20HP\u003c\/td\u003e\n \u003ctd\u003e1972-1977\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n \u003ctd\u003eMariner\u003c\/td\u003e\n \u003ctd\u003e40HP\u003c\/td\u003e\n \u003ctd\u003e1972-1977\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaterial\u003c\/td\u003e\n \u003ctd\u003eHigh-Quality Plastic\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eType\u003c\/td\u003e\n \u003ctd\u003eSwitch Box Power Pack\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOEM Part Number\u003c\/td\u003e\n \u003ctd\u003e332-4911A2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003eYour order includes:\u003c\/p\u003e\n\n\u003cul\u003e\n \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 x Switch Box Power Pack\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The package contains all parts shown in the product images.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n \u003cli\u003e\n\u003cstrong\u003eDisconnect the battery:\u003c\/strong\u003e Always disconnect the negative terminal before working on any electrical components to prevent accidental shocks or shorts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLocate the existing switch box:\u003c\/strong\u003e Identify the original switch box power pack on your Mercury Mariner engine, typically mounted near the powerhead.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDisconnect wiring harness:\u003c\/strong\u003e Carefully disconnect all wiring connectors from the old switch box. Note the wire colors and positions for reference during reassembly.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRemove mounting hardware:\u003c\/strong\u003e Unbolt or unscrew the old switch box from its mounting bracket and remove it from the engine.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePosition the new switch box:\u003c\/strong\u003e Place the new switch box in the same location and align the mounting holes with the bracket.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSecure the unit:\u003c\/strong\u003e Install the mounting bolts or screws and tighten securely, ensuring the switch box is firmly seated.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReconnect wiring harness:\u003c\/strong\u003e Attach each wire connector to the corresponding terminal on the new switch box, matching wire colors and positions noted earlier.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDouble-check connections:\u003c\/strong\u003e Ensure all electrical connections are secure and properly seated to prevent intermittent issues.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReconnect the battery:\u003c\/strong\u003e Reconnect the negative battery terminal.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTest the engine:\u003c\/strong\u003e Start the engine and verify proper operation. Check for smooth ignition, consistent running, and absence of misfires.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this switch box fits my Mercury Mariner engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify your engine's HP rating (20HP or 40HP) and year (1972-1977). Cross-reference your original part number with the list provided above (332-4911A2, 332-4911A3, 332-4911A5, 332-4911A8, 338-4733A2, or 18-5786). You can also use the Mercury Serial Number Guide linked above to identify your engine model.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my switch box needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include difficulty starting the engine, rough idling, inconsistent spark, misfiring at certain RPMs, or complete loss of ignition. If you've ruled out spark plugs, coils, and stator issues, the switch box is often the culprit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this switch box myself or do I need a professional?\u003c\/strong\u003e\u003cbr\u003e\nA: If you have basic mechanical skills and are comfortable working with electrical components, installation is straightforward—disconnect the battery, remove the old unit, and reconnect the wiring. However, professional installation is recommended to ensure proper setup and avoid electrical issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between this aftermarket switch box and the OEM version?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMeasurement tolerance:\u003c\/strong\u003e Please allow 1-3mm difference due to manual measurement (1cm = 10mm = 0.39 inch).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51981010960697,"sku":"24CD384","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_e93a5144-aa79-4996-8c96-1c166f712f2c.jpg?v=1772414583"},{"product_id":"8m0058226-voltage-rectifier-for-mercury-mariner-jlm-marine","title":"8M0058226 Voltage Rectifier for Mercury Mariner | JLM Marine","description":"\u003ch2\u003eVoltage Rectifier for Mercury Mariner Outboard – Fits 1976-1998 Models 6-200 HP\u003c\/h2\u003e\n\n\u003cp\u003eThis high-quality aftermarket voltage rectifier is designed to fit many Mercury and Mariner outboard motors manufactured between 1976 and 1998, covering a wide horsepower range from 6 HP to 200 HP. Engineered to meet OEM specifications, this rectifier ensures reliable voltage regulation and stable electrical performance for your marine engine.\u003c\/p\u003e\n\n\u003cp\u003eThis rectifier directly replaces multiple OEM part numbers including \u003cstrong\u003e8M0058226\u003c\/strong\u003e, 62351A1, 62351A2, 816770, 816770T, and aftermarket equivalents such as 18-5707 and 18-5707A, providing broad cross-compatibility for Mercury and Mariner outboard applications.\u003c\/p\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e12V system\u003c\/strong\u003e – Compatible with standard Mercury\/Mariner electrical systems\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompact design\u003c\/strong\u003e – Measures approximately 40mm × 40mm × 23mm for easy installation\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e100% brand new\u003c\/strong\u003e – Factory-fresh condition with full performance guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands:\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e8M0058226\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e62351A1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e62351A2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e816770\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e816770T\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSierra\u003c\/td\u003e\n \u003ctd\u003e18-5707\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSierra\u003c\/td\u003e\n \u003ctd\u003e18-5707A\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003e154-6770\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury \/ Mariner\u003c\/td\u003e\n \u003ctd\u003e6-200 HP\u003c\/td\u003e\n \u003ctd\u003e1976-1998\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eCondition\u003c\/td\u003e\n \u003ctd\u003e100% Brand New\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVoltage\u003c\/td\u003e\n \u003ctd\u003e\u003cstrong\u003e12V\u003c\/strong\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\n \u003ctd\u003e40mm × 40mm × 23mm (1.57\" × 1.57\" × 0.90\")\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOEM Part Numbers\u003c\/td\u003e\n \u003ctd\u003e8M0058226, 62351A1, 62351A2, 816770, 816770T\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003eYour package includes:\u003c\/p\u003e\n\n\u003cul\u003e\n \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Voltage Regulator Rectifier\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The package contains all the parts shown in the product images.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n \u003cli\u003e\n\u003cstrong\u003eDisconnect the battery:\u003c\/strong\u003e Always disconnect the negative terminal first to prevent electrical shorts or sparks.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLocate the old rectifier:\u003c\/strong\u003e Find the existing voltage rectifier on your outboard motor, typically mounted near the powerhead or electrical components.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLabel or photograph wiring:\u003c\/strong\u003e Before disconnecting, take a photo or label each wire to ensure correct reconnection.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDisconnect electrical connections:\u003c\/strong\u003e Carefully remove all wire connectors from the old rectifier.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRemove mounting hardware:\u003c\/strong\u003e Unbolt or unscrew the old rectifier from its mounting bracket.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePosition the new rectifier:\u003c\/strong\u003e Place the new unit in the same location, ensuring proper alignment with mounting holes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSecure with fasteners:\u003c\/strong\u003e Tighten mounting bolts or screws to manufacturer specifications; do not over-tighten.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReconnect wiring:\u003c\/strong\u003e Attach each wire connector to the corresponding terminal on the new rectifier, referencing your labels or photos.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCheck all connections:\u003c\/strong\u003e Verify that all wires are firmly seated and no terminals are exposed or touching metal.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReconnect the battery:\u003c\/strong\u003e Attach the positive terminal first, then the negative terminal.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTest electrical system:\u003c\/strong\u003e Start the engine and verify that the charging system operates correctly; check voltage output with a multimeter if available.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInspect for issues:\u003c\/strong\u003e Look for any signs of overheating, loose connections, or unusual behavior during initial operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this rectifier fits my Mercury or Mariner outboard?\u003c\/strong\u003e\u003cbr\u003e\nVerify your engine's horsepower (6-200 HP) and year (1976-1998) against the compatibility table above. Cross-reference your existing part number with the list provided (8M0058226, 62351A1, 62351A2, 816770, 816770T, 18-5707, etc.). If your original part matches any listed number, this rectifier will fit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that my voltage rectifier is failing?\u003c\/strong\u003e\u003cbr\u003e\nCommon symptoms include battery not charging, battery draining quickly, dim or flickering lights, erratic gauge readings, or the engine dying after startup. If you measure abnormal voltage output (significantly above or below 13.5-14.5V at cruising RPM), the rectifier may be defective.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the voltage rectifier?\u003c\/strong\u003e\u003cbr\u003e\nRectifiers typically last several years under normal use, but replacement intervals vary based on operating conditions, electrical load, and exposure to moisture or corrosion. Inspect annually and replace immediately if you notice charging issues or physical damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between this aftermarket rectifier and the OEM part?\u003c\/strong\u003e\u003cbr\u003e\nThis listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nWe offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51981024493881,"sku":"24RR341","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_bb3d13ec-b5c7-4bf7-a751-fce870f3a11f.jpg?v=1772414817"}],"url":"https:\/\/jlmmarine.com\/collections\/mercury-200-sn-9016254.oembed","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}