{"product_id":"864297t01-crankshaft-position-sensor-for-mercury-volvo-penta-jlm-marine","title":"864297T01 Crankshaft Position Sensor for Mercury Volvo Penta | JLM Marine","description":"\u003ch2\u003eCrankshaft Position Sensor for Mercury \u0026amp; Volvo Penta 4.3L, 5.0L, 6.2L Marine Engines – OEM# 864297T01\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003ecrankshaft position sensor\u003c\/strong\u003e is designed to fit \u003cstrong\u003eMercury MerCruiser and OMC Volvo Penta\u003c\/strong\u003e marine engines, including popular \u003cstrong\u003e4.3L, 5.0L, and 6.2L\u003c\/strong\u003e models. It ensures accurate engine timing and reliable performance for inboard and sterndrive applications.\u003c\/p\u003e\n\n\u003cp\u003eDirectly replaces Mercury MerCruiser part numbers \u003cstrong\u003e864297, 864297T01, 864297001\u003c\/strong\u003e, OMC Volvo Penta \u003cstrong\u003e3858979\u003c\/strong\u003e, and Sierra Marine \u003cstrong\u003e18-7556\u003c\/strong\u003e. This sensor is engineered to OEM specifications for seamless compatibility and dependable operation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits both Mercury MerCruiser and OMC Volvo Penta marine engines\u003c\/li\u003e\n  \u003cli\u003eSuitable for 4.3L, 5.0L, and 6.2L engine platforms\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on replacement for easy installation\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 MerCruiser\u003c\/td\u003e\n      \u003ctd\u003e864297001, 864297T01, 864297\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOMC Volvo Penta\u003c\/td\u003e\n      \u003ctd\u003e3858979\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSierra Marine\u003c\/td\u003e\n      \u003ctd\u003e18-7556\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\u003eEngine Displacement\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\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\u003e5.0L, 6.2L\u003c\/td\u003e\n        \u003ctd\u003e1998–2010\u003c\/td\u003e\n        \u003ctd\u003e864297001, 864297T01, 864297\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC Volvo Penta\u003c\/td\u003e\n        \u003ctd\u003e4.3L, 5.0L, 6.2L\u003c\/td\u003e\n        \u003ctd\u003e—\u003c\/td\u003e\n        \u003ctd\u003e3858979\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\u003ePart Type\u003c\/td\u003e\n      \u003ctd\u003eCrankshaft Position Sensor\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eMarine Engine (Mercury MerCruiser, OMC Volvo Penta)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Engine Sizes\u003c\/td\u003e\n      \u003ctd\u003e4.3L, 5.0L, 6.2L\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOEM Reference\u003c\/td\u003e\n      \u003ctd\u003e864297T01, 864297, 864297001, 3858979, 18-7556\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\n\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Crankshaft Position Sensor\u003c\/strong\u003e\u003c\/span\u003e (for marine engine use)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003eDisconnect the negative battery cable to ensure safety during installation.\u003c\/li\u003e\n  \u003cli\u003eLocate the crankshaft position sensor on your engine block, typically near the flywheel or harmonic balancer.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the electrical connector from the old sensor by pressing the release tab.\u003c\/li\u003e\n  \u003cli\u003eRemove the mounting bolt(s) securing the sensor to the engine block using the appropriate socket or wrench.\u003c\/li\u003e\n  \u003cli\u003eCarefully extract the old sensor from its mounting position.\u003c\/li\u003e\n  \u003cli\u003eInspect the mounting area and clean any debris or corrosion to ensure proper sensor seating.\u003c\/li\u003e\n  \u003cli\u003eInsert the new crankshaft position sensor into the mounting hole, ensuring proper alignment.\u003c\/li\u003e\n  \u003cli\u003eHand-tighten the mounting bolt(s), then torque to manufacturer specifications (typically 70–90 in-lbs; consult your service manual).\u003c\/li\u003e\n  \u003cli\u003eReconnect the electrical connector firmly until you hear or feel a click.\u003c\/li\u003e\n  \u003cli\u003eReconnect the negative battery cable and turn the ignition to the \"on\" position (do not start the engine yet).\u003c\/li\u003e\n  \u003cli\u003eCheck for diagnostic trouble codes; clear any existing codes if necessary.\u003c\/li\u003e\n  \u003cli\u003eStart the engine and verify smooth operation and proper idle. Monitor for warning lights or irregular performance.\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 know if my crankshaft position sensor has failed?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include difficulty starting the engine, rough idling, stalling, misfires, or the check engine light illuminating. A diagnostic scanner may display codes related to crankshaft position (e.g., P0335, P0336).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this sensor fits my specific engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's model, year, and displacement with the compatibility table above. Verify your current sensor's part number matches one of the OEM numbers listed (864297T01, 3858979, 18-7556, etc.).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this sensor myself, or do I need a mechanic?\u003c\/strong\u003e\u003cbr\u003e\nA: Installation is straightforward for those with basic mechanical skills and tools. However, professional installation is recommended to ensure proper torque specs and diagnostic verification, especially if you're unfamiliar with marine engine systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the crankshaft position sensor?\u003c\/strong\u003e\u003cbr\u003e\nA: Crankshaft position sensors typically last 100,000+ miles or 10+ years under normal conditions. Replace it immediately if you experience failure symptoms or if diagnostic codes appear.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between this aftermarket sensor 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":51981004669241,"sku":"23PS378","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_154bd9a1-b7f8-47c6-8298-6a65669cfc30.jpg?v=1772414361","url":"https:\/\/jlmmarine.com\/products\/864297t01-crankshaft-position-sensor-for-mercury-volvo-penta-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}