{"product_id":"map-sensor-fits-mercruiser-volvo-penta-4-3l-5-0l-5-7l-6-2l-7-4l-8-1l-replaces-8m0054726-881731-3861321","title":"MAP Sensor – Fits MerCruiser Volvo Penta 4.3L 5.0L 5.7L 6.2L 7.4L 8.1L (Replaces 8M0054726, 881731, 3861321)","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eMAP Sensor – Fits MerCruiser Volvo Penta 4.3L 5.0L 5.7L 6.2L 7.4L 8.1L\u003c\/strong\u003e is designed for marine V6 and V8 MPI engines from 1998 and up. Compatible with MerCruiser 4.3L, 5.0L, 5.7L, 6.2L, 7.4L, and 8.1L (496) models, as well as Volvo Penta GM V6 and V8 MPI engines, this sensor delivers reliable manifold absolute pressure readings for optimal fuel management and engine performance.\u003c\/p\u003e\n\u003cp\u003eThis aftermarket replacement directly interchanges with OEM numbers 8M0054726, 881731, 861249A1, 3861321, and Indmar S556102.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on replacement for factory MAP sensors\u003c\/li\u003e\n\u003cli\u003eSuitable for gasoline MPI marine engines\u003c\/li\u003e\n\u003cli\u003eCompatible with both MerCruiser and Volvo Penta applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\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\u003e8M0054726\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e881731\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e861249A1\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\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\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        \u003cth\u003eOEM Part No.\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\u003e4.3L V6 MPI\u003c\/td\u003e\n        \u003ctd\u003e1998–2001\u003c\/td\u003e\n        \u003ctd\u003e881731, 8M0054726\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e5.0L V8 MPI\u003c\/td\u003e\n        \u003ctd\u003e1998–2001\u003c\/td\u003e\n        \u003ctd\u003e881731, 8M0054726\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e5.7L 350 MAG V8 MPI\u003c\/td\u003e\n        \u003ctd\u003e1998–2001\u003c\/td\u003e\n        \u003ctd\u003e881731, 8M0054726\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e6.2L V8 MPI\u003c\/td\u003e\n        \u003ctd\u003e1998–2001\u003c\/td\u003e\n        \u003ctd\u003e881731, 8M0054726\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e7.4L V8 MPI\u003c\/td\u003e\n        \u003ctd\u003e1998–2001\u003c\/td\u003e\n        \u003ctd\u003e881731, 8M0054726\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e8.1L (496) V8 MPI\u003c\/td\u003e\n        \u003ctd\u003e2000–Up\u003c\/td\u003e\n        \u003ctd\u003e881731, 8M0054726\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eGM V6 MPI\u003c\/td\u003e\n        \u003ctd\u003e1998–Up\u003c\/td\u003e\n        \u003ctd\u003e3861321\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eGM V8 MPI\u003c\/td\u003e\n        \u003ctd\u003e1998–Up\u003c\/td\u003e\n        \u003ctd\u003e3861321\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eIndmar\u003c\/td\u003e\n        \u003ctd\u003eMarine V6 \/ V8\u003c\/td\u003e\n        \u003ctd\u003e1998–Up\u003c\/td\u003e\n        \u003ctd\u003eS556102\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eSensor Type\u003c\/dt\u003e\n  \u003cdd\u003eManifold Absolute Pressure (MAP)\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eMarine MPI engines\u003c\/dd\u003e\n  \u003cdt\u003eFitment\u003c\/dt\u003e\n  \u003cdd\u003eMerCruiser, Volvo Penta, Indmar\u003c\/dd\u003e\n  \u003cdt\u003eEngine Compatibility\u003c\/dt\u003e\n  \u003cdd\u003e4.3L, 5.0L, 5.7L, 6.2L, 7.4L, 8.1L V6 \u0026amp; V8\u003c\/dd\u003e\n  \u003cdt\u003eYear Range\u003c\/dt\u003e\n  \u003cdd\u003e1998–Up\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003e1 × MAP Sensor\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the negative battery cable to prevent electrical damage.\u003c\/li\u003e\n  \u003cli\u003eLocate the existing MAP sensor on the intake manifold or engine harness bracket.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the electrical connector by pressing the release tab and gently pulling.\u003c\/li\u003e\n  \u003cli\u003eRemove the sensor mounting fastener (typically one bolt or clip) and extract the old sensor.\u003c\/li\u003e\n  \u003cli\u003eInstall the new MAP sensor in the same orientation and secure it with the original fastener.\u003c\/li\u003e\n  \u003cli\u003eReconnect the electrical connector until it clicks into place.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery cable and start the engine to verify proper operation and check for diagnostic codes.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my MAP sensor is failing?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms include rough idle, poor acceleration, increased fuel consumption, hesitation under load, or check-engine lights. The engine may also run rich or lean, causing black smoke or stalling.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I use this sensor on both MerCruiser and Volvo Penta engines?\u003c\/summary\u003e\n  \u003cp\u003eYes. This sensor is a cross-platform replacement designed for MerCruiser V6\/V8 MPI engines (1998–2001) and Volvo Penta GM V6\/V8 MPI engines (1998–Up), as well as select Indmar models.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat's the difference between this and the OEM sensor?\u003c\/summary\u003e\n  \u003cp\u003eThis is an aftermarket replacement manufactured to OEM-level specifications. It uses comparable materials and tolerances, and is batch-tested in an ISO 9002 facility for quality and consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDo I need to clear diagnostic codes after installation?\u003c\/summary\u003e\n  \u003cp\u003eIn most cases, codes will clear automatically after a few ignition cycles if the fault is resolved. You may use a diagnostic scanner to clear them immediately or verify the repair.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs the electrical connector the same as OEM?\u003c\/summary\u003e\n  \u003cp\u003eYes. This sensor uses the factory-style connector and requires no modifications or adapters for installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the expected lifespan of this sensor?\u003c\/summary\u003e\n  \u003cp\u003eMAP sensors typically last several years under normal operating conditions. Lifespan depends on engine hours, maintenance, and environmental exposure. Replace if you experience performance issues or diagnostic faults.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":51025808228667,"sku":"23MS389","price":29.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/s-l1600_54e1852c-8bc6-4df1-b546-3aed31ccf52c.jpg?v=1773149410","url":"https:\/\/seasierra.com\/products\/map-sensor-fits-mercruiser-volvo-penta-4-3l-5-0l-5-7l-6-2l-7-4l-8-1l-replaces-8m0054726-881731-3861321","provider":"SeaSierra","version":"1.0","type":"link"}