{"product_id":"oil-pressure-sender-fits-volvo-penta-mercruiser-3-0l-4-3l-5-0l-5-7l-replaces-815425t-8m0068784-3857532","title":"Oil Pressure Sender – Fits Volvo Penta \u0026 MerCruiser 3.0L, 4.3L, 5.0L, 5.7L (Replaces 815425T, 8M0068784, 3857532)","description":"\u003ch2\u003eOil Pressure Sender – Fits Volvo Penta \u0026amp; MerCruiser 3.0L, 4.3L, 5.0L, 5.7L\u003c\/h2\u003e\n\u003cp\u003eThis oil pressure sender provides a reliable replacement for specific Volvo Penta and MerCruiser gasoline sterndrive engines. It is designed to fit a wide range of 3.0L, 4.3L, 5.0L, and 5.7L models, sending accurate pressure data to your dashboard gauge.\u003c\/p\u003e\n\u003cp\u003eThis sender is a direct replacement for MerCruiser part numbers \u003cstrong\u003e815425T\u003c\/strong\u003e and \u003cstrong\u003e8M0068784\u003c\/strong\u003e, Volvo Penta part number \u003cstrong\u003e3857532\u003c\/strong\u003e, and Sierra part number \u003cstrong\u003e18-5899\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Direct fit, screw-in\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFuel Compatibility:\u003c\/strong\u003e Gasoline\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Single-wire (1-wire) electrical connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ctable\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\u003e815425T\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMerCruiser\u003c\/td\u003e\n                \u003ctd\u003e8M0068784\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n                \u003ctd\u003e3857532\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eSierra\u003c\/td\u003e\n                \u003ctd\u003e18-5899\u003c\/td\u003e\n            \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ctable\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                \u003cth\u003eStroke\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\u003e3.0L\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e815425T\/8M0068784\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMerCruiser\u003c\/td\u003e\n                \u003ctd\u003e4.3L\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e815425T\/8M0068784\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMerCruiser\u003c\/td\u003e\n                \u003ctd\u003e5.0L\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e815425T\/8M0068784\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMerCruiser\u003c\/td\u003e\n                \u003ctd\u003e5.7L\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e815425T\/8M0068784\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n                \u003ctd\u003e3.0L\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e3857532\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n                \u003ctd\u003e4.3L\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e3857532\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n                \u003ctd\u003e5.0L\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e3857532\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n                \u003ctd\u003e5.7L\u003c\/td\u003e\n                \u003ctd\u003eVarious\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e3857532\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\u003ctable\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\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eOil Pressure Sender\/Sensor\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eDirect fit, screw-in\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eFuel Type\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eGasoline\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003e1-wire electrical connector\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eFitting Type\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eNPT thread\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003e1\/8\" NPT\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eWorking Pressure\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003e0-100 PSI\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eOther Technical Attributes\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eProvides data to oil pressure gauge on dashboard\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cp\u003e1 x Oil Pressure Sender\/Sensor (\u003cspan style=\"color:red;\"\u003eReplaces 815425T, 8M0068784, 3857532\u003c\/span\u003e)\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Disconnect the boat's battery before beginning work.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLocate the Sender:\u003c\/strong\u003e Find the existing oil pressure sender on the engine block. It is often located near the oil filter or the distributor.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDisconnect Wire:\u003c\/strong\u003e Carefully detach the single electrical wire from the top of the old sender.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemove Old Sender:\u003c\/strong\u003e Using an appropriately sized wrench, unscrew and remove the old sender from the engine block. Be prepared for minor oil spillage.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrepare New Sender:\u003c\/strong\u003e Apply a suitable pipe thread sealant to the threads of the new sender to prevent leaks. Do not overtighten.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstall New Sender:\u003c\/strong\u003e Screw the new sender into the engine block and tighten it securely.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReconnect Wire:\u003c\/strong\u003e Attach the electrical wire to the terminal on the new sender.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinal Check:\u003c\/strong\u003e Reconnect the battery. Start the engine and carefully check for any oil leaks around the new sender. Verify that the oil pressure gauge on your dashboard is providing a reading.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdl\u003e\n    \u003cdt\u003e\u003cstrong\u003eQ: How do I confirm this will fit my engine?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eA: The best way to ensure compatibility is to match your existing part number to the cross-reference list: \u003cstrong\u003eMerCruiser 815425T\/8M0068784\u003c\/strong\u003e, \u003cstrong\u003eVolvo Penta 3857532\u003c\/strong\u003e, or \u003cstrong\u003eSierra 18-5899\u003c\/strong\u003e. Also, check the compatible engine models table. Visually comparing your old part to our product images is also recommended.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eQ: What are common signs of a failing oil pressure sender?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eA: Symptoms include an oil pressure gauge that reads zero, is pegged at maximum, or fluctuates erratically. An engine warning light may also illuminate. These signs indicate that the sender is no longer providing accurate data to the gauge.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eQ: Where is this sender typically located?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eA: On most compatible MerCruiser and Volvo Penta engines, the oil pressure sender is found screwed into the engine block, often near the oil filter housing or close to the distributor.\u003c\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eA: 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\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eA: 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\/dd\u003e\n    \u003cdt\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003c\/dt\u003e\n    \u003cdd\u003eA: 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\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\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\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":51313346740537,"sku":"19MC020OC","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/19MC020OC_90bfeebd-3f67-4c2b-9604-8dbadf6437a4.png?v=1762188086","url":"https:\/\/jlmmarine.com\/es\/products\/oil-pressure-sender-fits-volvo-penta-mercruiser-3-0l-4-3l-5-0l-5-7l-replaces-815425t-8m0068784-3857532","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}