{"product_id":"805227a1-fuel-pressure-regulator-assembly-for-mercury-mercruiser-jlm-marine","title":"805227A1 Fuel Pressure Regulator Assembly for Mercury Mercruiser | JLM Marine","description":"\u003ch2\u003eFuel Pressure Regulator Assembly for Mercury Mercruiser 7.4L 8.2L 502MAG 454 EFI Stern Drive Engines\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eFuel Pressure Regulator Assembly\u003c\/strong\u003e is engineered for MerCruiser stern drive engines including \u003cstrong\u003e7.4L\/LX MPI\u003c\/strong\u003e, \u003cstrong\u003e454 \u0026amp; 502 Mag MPI\u003c\/strong\u003e, and \u003cstrong\u003e8.2L MPI\u003c\/strong\u003e models. It ensures precise fuel pressure regulation for optimal engine performance and reliability in Electronic Fuel Injection (EFI) systems.\u003c\/p\u003e\n\n\u003cp\u003eThis assembly directly replaces Mercury Mercruiser OEM part number \u003cstrong\u003e805227A1\u003c\/strong\u003e, providing a reliable aftermarket solution for your stern drive maintenance needs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete regulator assembly ready for installation\u003c\/li\u003e\n  \u003cli\u003eDesigned for EFI fuel system applications\u003c\/li\u003e\n  \u003cli\u003eEnsures proper fuel pressure for smooth engine operation\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\u003eMercury Mercruiser\u003c\/td\u003e\n      \u003ctd\u003e805227A1\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\" target=\"_blank\" rel=\"nofollow noopener\"\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\" target=\"_blank\" rel=\"nofollow noopener\"\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=\"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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eMCM\/MIE 7.4L\/LX MPI\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e454 Mag MPI\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e502 Mag MPI\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e8.2L MPI\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 Part Number\u003c\/td\u003e\n      \u003ctd\u003e805227A1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eMerCruiser Stern Drive Engines (EFI)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eComponent Type\u003c\/td\u003e\n      \u003ctd\u003eFuel Pressure Regulator Assembly\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\u003cp\u003eThis package contains the following component:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e1 × Fuel Pressure Regulator Assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisconnect the battery\u003c\/strong\u003e to prevent electrical hazards during installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelieve fuel system pressure\u003c\/strong\u003e by following your engine manufacturer's procedure to prevent fuel spray.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocate the existing fuel pressure regulator\u003c\/strong\u003e on your MerCruiser stern drive engine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisconnect fuel lines\u003c\/strong\u003e from the regulator carefully, using a rag to catch any residual fuel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove mounting hardware\u003c\/strong\u003e securing the old regulator to the engine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove the old regulator assembly\u003c\/strong\u003e and set aside.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition the new regulator assembly\u003c\/strong\u003e in place, ensuring proper alignment with mounting points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure with mounting hardware\u003c\/strong\u003e, tightening bolts to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect fuel lines\u003c\/strong\u003e to the new regulator, ensuring all connections are secure and properly seated.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck all fittings and connections\u003c\/strong\u003e for tightness to prevent fuel leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect the battery\u003c\/strong\u003e and turn the ignition to prime the fuel system (do not start yet).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspect for leaks\u003c\/strong\u003e, then start the engine and verify proper fuel pressure and smooth operation.\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 fuel pressure regulator fits my MerCruiser engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify your engine model against the compatibility table above (7.4L\/LX MPI, 454\/502 Mag MPI, or 8.2L MPI). Cross-reference your existing part number with 805227A1, or consult your engine's parts diagram using the links provided.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my fuel pressure regulator needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include rough idle, poor acceleration, fuel leaks near the regulator, black smoke from exhaust, or difficulty starting. If you notice fuel pressure irregularities or engine performance issues, inspect the regulator.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this regulator myself or do I need a professional?\u003c\/strong\u003e\u003cbr\u003e\nA: If you have mechanical experience and can safely relieve fuel system pressure, you may install it yourself. However, due to the fire hazard of working with fuel systems, professional installation is recommended for safety and warranty purposes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the fuel pressure regulator?\u003c\/strong\u003e\u003cbr\u003e\nA: Fuel pressure regulators typically last many years under normal conditions. Replace when you notice performance issues, fuel leaks, or during major fuel system overhauls as preventive maintenance.\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":51981004833081,"sku":"23RT366","price":42.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_11109c15-b654-490b-874a-616e116b5177.jpg?v=1772414372","url":"https:\/\/jlmmarine.com\/es\/products\/805227a1-fuel-pressure-regulator-assembly-for-mercury-mercruiser-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}