{"product_id":"803148-throttle-position-sensor-for-mercruiser-volvo-penta-omc-jlm-marine","title":"803148 Throttle Position Sensor for Mercruiser Volvo Penta OMC | JLM Marine","description":"\u003ch2\u003eThrottle Position Sensor 803148 – Fits Mercruiser, Volvo Penta \u0026amp; OMC Marine Engines\u003c\/h2\u003e\n\n\u003cp\u003eThis Throttle Position Sensor is designed for \u003cstrong\u003eOMC\/Volvo Penta 7.4L and 8.2L marine stern drive models\u003c\/strong\u003e, as well as \u003cstrong\u003eMercruiser GM 5.7L and 6.2L MPI engines\u003c\/strong\u003e. It delivers reliable throttle position feedback to ensure optimal engine performance and fuel efficiency across a range of high-performance marine applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacements:\u003c\/strong\u003e OMC Volvo Penta Marine 3855296, Sierra Marine 18-7757, OEM 803148.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with OMC\/Volvo Penta 7.4 GSI, 8.2 GSI, DPX 385, and Mercruiser GM 5.7L\/6.2L MPI engines\u003c\/li\u003e\n  \u003cli\u003eDesigned for marine stern drive applications\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement built to OEM specifications\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\"\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\u003eOEM\u003c\/td\u003e\n      \u003ctd\u003e803148\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOMC Volvo Penta Marine\u003c\/td\u003e\n      \u003ctd\u003e3855296\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSierra Marine\u003c\/td\u003e\n      \u003ctd\u003e18-7757\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\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC \/ Volvo Penta\u003c\/td\u003e\n        \u003ctd\u003e7.4 GSI\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC \/ Volvo Penta\u003c\/td\u003e\n        \u003ctd\u003e8.2 GSI\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC \/ Volvo Penta\u003c\/td\u003e\n        \u003ctd\u003eDPX 385\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC \/ Volvo Penta\u003c\/td\u003e\n        \u003ctd\u003eBY\/EF\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC \/ Volvo Penta\u003c\/td\u003e\n        \u003ctd\u003eWT\/HU\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC \/ Volvo Penta\u003c\/td\u003e\n        \u003ctd\u003eLK\/NC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003eGM 5.7L MPI\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003eGM 6.2L MPI\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercruiser\u003c\/td\u003e\n        \u003ctd\u003e350 MAG\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\"\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\u003e803148\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003eThrottle Position Sensor (TPS)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eMarine Engine (Stern Drive)\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 × Throttle Position Sensor\u003c\/strong\u003e (Used for Marine Engine)\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 before beginning work.\u003c\/li\u003e\n  \u003cli\u003eLocate the existing throttle position sensor on your engine's throttle body assembly.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the electrical connector from the old sensor by pressing the release tab and pulling gently.\u003c\/li\u003e\n  \u003cli\u003eRemove the mounting screws or bolts securing the sensor to the throttle body using the appropriate tools.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the old sensor from the throttle shaft. Note the orientation and position for proper installation of the new sensor.\u003c\/li\u003e\n  \u003cli\u003eClean the mounting surface on the throttle body to ensure a proper seal and connection.\u003c\/li\u003e\n  \u003cli\u003ePosition the new throttle position sensor onto the throttle shaft, aligning it exactly as the original was installed.\u003c\/li\u003e\n  \u003cli\u003eSecure the new sensor with the mounting screws or bolts, tightening them evenly to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003eReconnect the electrical connector to the new sensor, ensuring it clicks firmly into place.\u003c\/li\u003e\n  \u003cli\u003eReconnect the negative battery cable.\u003c\/li\u003e\n  \u003cli\u003eStart the engine and verify that it idles smoothly and responds correctly to throttle inputs.\u003c\/li\u003e\n  \u003cli\u003eIf the engine control unit requires sensor calibration or a reset, consult your engine's service manual for specific procedures.\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 sensor fits my engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your current part number with the OEM numbers listed (803148, 3855296, 18-7757) and verify your engine model in our compatibility table. If your model and part number match, this sensor will fit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my throttle position sensor is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include rough or erratic idle, poor throttle response, hesitation during acceleration, increased fuel consumption, or engine stalling. In some cases, a check engine light may illuminate with a TPS-related diagnostic code.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the throttle position sensor?\u003c\/strong\u003e\u003cbr\u003e\nA: Throttle position sensors typically last many years under normal use. Replace the sensor when you experience symptoms of failure or as recommended in your engine's maintenance schedule—usually not a routine replacement item.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this sensor myself or do I need a professional?\u003c\/strong\u003e\u003cbr\u003e\nA: Installation is straightforward for those with basic mechanical skills and tools. However, proper alignment and calibration are critical for engine performance, so professional installation is recommended if you're unsure.\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","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51981004603705,"sku":"23PS376","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_81316d38-b838-4652-8e00-af2c3ea9b714.jpg?v=1772414356","url":"https:\/\/jlmmarine.com\/ru\/products\/803148-throttle-position-sensor-for-mercruiser-volvo-penta-omc-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}