{"product_id":"9-74002-lower-unit-seal-kit-for-honda-bf35am-bf40a-bf40aw-bf40ax-bf45am-bf50a-bf50aw-bf50ax-jlm-marine","title":"9-74002 Lower Unit Seal Kit for Honda BF35AM BF40A BF40AW BF40AX BF45AM BF50A BF50AW BF50AX | JLM Marine","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\n\n\n\u003ch2\u003eLower Unit Seal Kit for Honda BF35AM BF40A BF40AW BF40AX BF45AM BF50A BF50AW BF50AX\u003c\/h2\u003e\n\n\u003cp\u003eThis Lower Unit Seal Kit is precision-engineered to fit Honda Marine outboard motors ranging from 35 HP to 50 HP, including the BF35AM, BF40A, BF40AW, BF40AX, BF45AM, BF50A, BF50AW, and BF50AX models. Designed to restore and maintain the integrity of your lower unit, this seal kit ensures proper lubrication retention and prevents water intrusion.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces \u003cstrong\u003eHonda Marine Part 14ZV50M\u003c\/strong\u003e, \u003cstrong\u003eMallory Part 9-74002\u003c\/strong\u003e, and \u003cstrong\u003eSierra Part 18-8362-1\u003c\/strong\u003e, offering a reliable aftermarket solution for lower unit maintenance and repair.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete seal kit for comprehensive lower unit service\u003c\/li\u003e\n\u003cli\u003eFits Honda Marine 35 HP - 50 HP outboard motors\u003c\/li\u003e\n\u003cli\u003eEnsures proper sealing to prevent gear oil leaks and water contamination\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\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Marine\u003c\/td\u003e\n\u003ctd\u003e14ZV50M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-74002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-8362-1\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.\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\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Marine\u003c\/td\u003e\n\u003ctd\u003eBF35AM\u003c\/td\u003e\n\u003ctd\u003e35 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Marine\u003c\/td\u003e\n\u003ctd\u003eBF40A\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Marine\u003c\/td\u003e\n\u003ctd\u003eBF40AW\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Marine\u003c\/td\u003e\n\u003ctd\u003eBF40AX\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Marine\u003c\/td\u003e\n\u003ctd\u003eBF45AM\u003c\/td\u003e\n\u003ctd\u003e45 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Marine\u003c\/td\u003e\n\u003ctd\u003eBF50A\u003c\/td\u003e\n\u003ctd\u003e50 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Marine\u003c\/td\u003e\n\u003ctd\u003eBF50AW\u003c\/td\u003e\n\u003ctd\u003e50 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHonda Marine\u003c\/td\u003e\n\u003ctd\u003eBF50AX\u003c\/td\u003e\n\u003ctd\u003e50 HP\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\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\u003eType\u003c\/td\u003e\n\u003ctd\u003eOutboard Lower Unit Seal Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003eHonda Marine Outboard 35 HP - 50 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Number\u003c\/td\u003e\n\u003ctd\u003e9-74002\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\u003eThis package includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Lower Unit Seal Kit\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\u003eDisconnect the battery and tilt the outboard motor to access the lower unit. Drain the gear oil completely and inspect for metal shavings or water contamination.\u003c\/li\u003e\n\u003cli\u003eRemove the propeller, cotter pin, and propeller shaft hardware. Set aside all components in a clean workspace.\u003c\/li\u003e\n\u003cli\u003eDetach the lower unit from the mid-section by removing the mounting bolts. Carefully lower the unit and disconnect the shift linkage.\u003c\/li\u003e\n\u003cli\u003eDisassemble the lower unit housing to expose the propeller shaft, drive shaft, and water pump assembly. Take note of the orientation of all seals.\u003c\/li\u003e\n\u003cli\u003eRemove all old seals, O-rings, and gaskets from the housing, shafts, and bearing carriers. Clean all surfaces thoroughly with solvent and a soft brush.\u003c\/li\u003e\n\u003cli\u003eInspect bearing surfaces and shaft splines for wear or damage. Replace bearings if necessary before installing new seals.\u003c\/li\u003e\n\u003cli\u003eLubricate each new seal with gear oil before installation. Carefully press seals into position using the appropriate seal driver to avoid damage.\u003c\/li\u003e\n\u003cli\u003eReassemble the lower unit components in reverse order, ensuring proper alignment of the drive shaft and shift linkage. Torque all fasteners to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003eReinstall the lower unit onto the mid-section, reconnecting the shift linkage and water tube. Secure with mounting bolts and torque to spec.\u003c\/li\u003e\n\u003cli\u003eRefill the lower unit with the manufacturer-recommended gear oil through the fill hole until oil appears at the vent hole. Install both drain and vent plugs with new washers.\u003c\/li\u003e\n\u003cli\u003eReinstall the propeller shaft hardware and propeller, securing with the cotter pin. Rotate the propeller by hand to ensure smooth operation.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery, lower the motor, and perform a water test to verify proper shifting, cooling, and seal integrity. Check for leaks after initial 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 seal kit fits my Honda outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify your engine model number (stamped on the mounting bracket or swivel) matches one of the compatible models listed: BF35AM, BF40A, BF40AW, BF40AX, BF45AM, BF50A, BF50AW, or BF50AX. You can also cross-reference the OEM part number 14ZV50M with your service manual.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the lower unit seals?\u003c\/strong\u003e\u003cbr\u003e\nA: Replace seals whenever you perform lower unit service, experience gear oil leaks, or notice milky oil indicating water intrusion. Typically, seals are replaced during major lower unit rebuilds or every 3-5 years depending on usage and operating conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my lower unit seals are failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include gear oil leaking from the propeller shaft area, milky or contaminated gear oil during regular checks, difficulty shifting gears, or unusual noise from the lower unit. Inspect seals immediately if any of these signs appear.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this seal kit without special tools?\u003c\/strong\u003e\u003cbr\u003e\nA: While basic hand tools suffice for disassembly, proper seal installation requires seal drivers or appropriately sized sockets to avoid damaging the new seals. A service manual with torque specifications and alignment procedures is highly recommended for successful installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include all the seals needed for a complete lower unit rebuild?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit contains the essential seals for lower unit service. Verify the contents against your service manual's parts diagram to ensure all required seals for your specific rebuild are included, as some applications may require additional gaskets or O-rings sold separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part or 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\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\n\n\n\u003c\/body\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51981005357369,"sku":"23SK062","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/1_1f0e9056-0d24-41e4-b566-551533e62883.jpg?v=1772414388","url":"https:\/\/jlmmarine.com\/es\/products\/9-74002-lower-unit-seal-kit-for-honda-bf35am-bf40a-bf40aw-bf40ax-bf45am-bf50a-bf50aw-bf50ax-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}