{"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\/products\/8m0058226-voltage-rectifier-for-mercury-mariner-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}