{"product_id":"8m0054726-map-sensor-for-mercruiser-volvo-penta-indmar-4-3l-5-0l-5-7l-6-2l-7-4l-496-8-1l-jlm-marine","title":"8M0054726 MAP Sensor for Mercruiser Volvo Penta Indmar 4.3L 5.0L 5.7L 6.2L 7.4L 496 8.1L | JLM Marine","description":"\u003ch2\u003eMAP Sensor for Mercruiser Volvo Penta Indmar 4.3L 5.0L 5.7L 6.2L 7.4L 496 8.1L\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eMAP (Manifold Absolute Pressure) Sensor\u003c\/strong\u003e is engineered for \u003cstrong\u003eMercruiser V6 \u0026amp; V8 MPI engines (4.3L, 5.0L, 5.7L, 6.2L, 7.4L, 350 MAG, 496, 8.1L)\u003c\/strong\u003e from 1998–2001, as well as \u003cstrong\u003eVolvo Penta GM V6 \u0026amp; V8 MPI engines\u003c\/strong\u003e from 1998-Up and \u003cstrong\u003eIndmar\u003c\/strong\u003e marine engines. It delivers accurate manifold pressure readings critical for optimal fuel mapping and engine performance.\u003c\/p\u003e\n\n\u003cp\u003eThis aftermarket sensor directly replaces \u003cstrong\u003eMercruiser 881731, 861249A1, 8M0054726\u003c\/strong\u003e, \u003cstrong\u003eVolvo Penta 3861321\u003c\/strong\u003e, and \u003cstrong\u003eIndmar S556102\u003c\/strong\u003e, ensuring reliable compatibility across multiple marine engine platforms.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect-fit replacement for MPI fuel-injected V6 and V8 marine engines\u003c\/li\u003e\n  \u003cli\u003eCompatible with Mercruiser, Volvo Penta, and Indmar engine management systems\u003c\/li\u003e\n  \u003cli\u003eEssential component for accurate air-fuel ratio control\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\u003eMercruiser\u003c\/td\u003e\n      \u003ctd\u003e881731, 861249A1, 8M0054726\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n      \u003ctd\u003e3861321\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIndmar\u003c\/td\u003e\n      \u003ctd\u003eS556102\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\u003eYears\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\u003eV6 \u0026amp; V8 MPI (4.3L, 5.0L, 5.7L, 6.2L, 7.4L, 350 MAG, 496, 8.1L)\u003c\/td\u003e\n      \u003ctd\u003e1998–2001\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n      \u003ctd\u003eGM V6 \u0026amp; V8 MPI\u003c\/td\u003e\n      \u003ctd\u003e1998-Up\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIndmar\u003c\/td\u003e\n      \u003ctd\u003e4.3L, 5.0L, 5.7L, 6.2L V6 \u0026amp; V8\u003c\/td\u003e\n      \u003ctd\u003eVarious\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\u003eOEM Number\u003c\/td\u003e\n      \u003ctd\u003e8M0054726\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSensor Type\u003c\/td\u003e\n      \u003ctd\u003eMAP (Manifold Absolute Pressure) Sensor\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eMarine V6 \u0026amp; V8 MPI Engines\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible Brands\u003c\/td\u003e\n      \u003ctd\u003eMercruiser, Volvo Penta, Indmar\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 × MAP Sensor\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 negative battery cable to ensure safety during installation.\u003c\/li\u003e\n  \u003cli\u003eLocate the existing MAP sensor on the intake manifold or firewall area of your engine.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the electrical connector from the old MAP sensor by pressing the release tab.\u003c\/li\u003e\n  \u003cli\u003eRemove any mounting fasteners (typically one or two screws or bolts) securing the sensor.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the old MAP sensor from its mounting location.\u003c\/li\u003e\n  \u003cli\u003eInspect the mounting surface and vacuum port for debris or damage; clean if necessary.\u003c\/li\u003e\n  \u003cli\u003ePosition the new MAP sensor in the mounting location, aligning it with the vacuum port.\u003c\/li\u003e\n  \u003cli\u003eSecure the sensor with the original mounting fasteners, tightening to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003eReconnect the electrical connector to the new MAP sensor until it clicks into place.\u003c\/li\u003e\n  \u003cli\u003eVerify all connections are secure and that no vacuum lines are kinked or damaged.\u003c\/li\u003e\n  \u003cli\u003eReconnect the negative battery cable.\u003c\/li\u003e\n  \u003cli\u003eStart the engine and check for proper operation; verify there are no fault codes or performance issues.\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 MAP sensor has failed?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include rough idling, poor acceleration, reduced fuel economy, engine stalling, and check engine light activation. A diagnostic scanner will typically show codes related to manifold pressure or fuel trim if the MAP sensor is faulty.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this MAP sensor fits my engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your original part number with the OEM numbers listed (Mercruiser 881731, 861249A1, 8M0054726; Volvo Penta 3861321; Indmar S556102). Also verify your engine model and year against the compatibility table above.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the MAP sensor?\u003c\/strong\u003e\u003cbr\u003e\nA: MAP sensors typically last 80,000–100,000 miles or 5–7 years under normal conditions. Replace immediately if you experience performance issues or diagnostic codes indicate sensor failure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Will this work on carbureted engines?\u003c\/strong\u003e\u003cbr\u003e\nA: No, this MAP sensor is designed specifically for MPI (Multi-Point Injection) fuel-injected engines. Carbureted engines do not use MAP sensors.\u003c\/p\u003e\n\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\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":51981003981113,"sku":"23MS389","price":29.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/A4d1fade07d9a4a6db3639753935acc8et.webp?v=1772414313","url":"https:\/\/jlmmarine.com\/ru\/products\/8m0054726-map-sensor-for-mercruiser-volvo-penta-indmar-4-3l-5-0l-5-7l-6-2l-7-4l-496-8-1l-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}