{"product_id":"fuel-pump-assembly-fits-mercury-mariner-30-60hp-4-stroke-outboard-replaces-8m0118177-8m0141827","title":"Fuel Pump Assembly – Fits Mercury\/Mariner 30-60HP 4-Stroke Outboard (Replaces 8M0118177, 8M0141827)","description":"\u003cstyle\u003e\n\/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n.ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n\/* Base table styles *\/\ntable.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\ntable.ss-table th, table.ss-table td {\n  padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n}\n\n\/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\ntable.ss-table th {\n  white-space:nowrap;       \/* Do not wrap *\/\n  word-break:normal;        \/* Don’t break words *\/\n  letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n  font-weight:600;\n  background:#f8fafc;\n}\n\n\/* Small screen optimization *\/\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\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis is a direct-replacement \u003cstrong\u003eFuel Pump Assembly for Mercury\/Mariner 30-60HP 4-Stroke Outboard\u003c\/strong\u003e engines. It is designed to fit 30HP (3-cylinder) and 40-60HP (4-cylinder) EFI models manufactured from 2002 to the present, ensuring reliable fuel delivery for your engine.\u003c\/p\u003e\n  \u003cp\u003eThis assembly is a direct interchange for Mercury part numbers 8M0118177, 8M0141827, 899106T01, 892874T01, 881862T08, 881862T, and Sierra 18-8866.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eEngineered for a direct OEM-replacement installation.\u003c\/li\u003e\n    \u003cli\u003eCompatible with standard marine gasoline (for EFI systems only).\u003c\/li\u003e\n    \u003cli\u003eFeatures OEM-style electrical connectors and fittings for a hassle-free setup.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e8M0118177\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e8M0141827\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e899106T01\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e892874T01\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e881862T08\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e881862T\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-8866\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n  \u003cp\u003eFor Mercury\/Mariner owners, it is critical to verify your engine's serial number falls within the specified ranges for proper fitment.\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\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eYears\u003c\/th\u003e\n          \u003cth\u003eOEM Part No.\u003c\/th\u003e\n          \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e3-Cylinder EFI\u003c\/td\u003e\n          \u003ctd\u003e30\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0P153500-present\u003c\/td\u003e\n          \u003ctd\u003e8M0118177\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e4-Cylinder EFI\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0P153500-present\u003c\/td\u003e\n          \u003ctd\u003e8M0118177\u003c\/td\u003e\n          \u003ctd\u003eIncludes EFI Jet models\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e4-Cylinder EFI\u003c\/td\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0P153500-present\u003c\/td\u003e\n          \u003ctd\u003e8M0118177\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e4-Cylinder EFI\/SeaPro\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0P153500-present\u003c\/td\u003e\n          \u003ctd\u003e8M0118177\u003c\/td\u003e\n          \u003ctd\u003eIncludes SeaPro models\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eView Detailed Serial Number Applications\u003c\/summary\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003e30HP EFI (3-cylinder):\u003c\/strong\u003e 0P153500–0P400999, 0T409000–1B226999, 1C109093–present\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e40HP EFI (3-cylinder):\u003c\/strong\u003e 0P153500–0P515896, 0T409000–1B355027, 1C000001–present\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e40HP EFI (4-cylinder):\u003c\/strong\u003e 0P153500–0P580772, 0T409000–1B355222, 1C000001–present\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e40HP EFI Jet:\u003c\/strong\u003e 1C051324–present\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e50HP EFI (4-cylinder):\u003c\/strong\u003e 0P153500–0P580772, 0T409000–1B355222, 1C000001–present\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e60HP EFI (4-cylinder):\u003c\/strong\u003e 0P153500–0P580772, 0T409000–1B355222, 1C000001–present\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e60HP SeaPro:\u003c\/strong\u003e 1C453840–present\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e60HP Formula:\u003c\/strong\u003e 1C104574–present\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e60HP Racing:\u003c\/strong\u003e 1C615064–present\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eElectric Fuel Pump Assembly\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect OEM Replacement\u003c\/dd\u003e\n    \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n    \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eOEM Electrical Connector\u003c\/dd\u003e\n    \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMetal\/Plastic Composite\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e430 g (0.95 lb)\u003c\/dd\u003e\n    \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eOEM-style fittings\u003c\/dd\u003e\n    \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 Year (Aftermarket)\u003c\/dd\u003e\n    \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFor EFI systems only\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Fuel Pump Assembly\u003c\/li\u003e\n    \u003cli\u003e1 x Mounting Hardware (54-816311T)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the negative battery terminal to prevent electrical shorts.\u003c\/li\u003e\n    \u003cli\u003eCarefully relieve the pressure from the fuel system according to your service manual.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the fuel lines and electrical connector from the old pump assembly.\u003c\/li\u003e\n    \u003cli\u003eRemove the mounting hardware and take out the old pump.\u003c\/li\u003e\n    \u003cli\u003ePosition the new fuel pump assembly and secure it with the provided hardware.\u003c\/li\u003e\n    \u003cli\u003eReconnect the fuel lines and the electrical connector, ensuring a tight seal.\u003c\/li\u003e\n    \u003cli\u003eReconnect the battery, prime the fuel system by turning the key to the 'On' position a few times, and check for leaks before starting the engine.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I confirm this fuel pump fits my engine?\u003c\/summary\u003e\n    \u003cp\u003eThe best way to ensure compatibility is to match your original part number to one of the cross-references in our Part Number Matrix. Additionally, check our Engine \u0026amp; Model Compatibility table to verify your boat's engine model, horsepower, and serial number range.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the common signs of a failing fuel pump?\u003c\/summary\u003e\n    \u003cp\u003eSymptoms of a faulty fuel pump include the engine failing to start, sputtering or losing power under acceleration, whining noises from the fuel tank area, or stalling unexpectedly. A diagnostic check of fuel pressure can confirm failure.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this pump for EFI or carbureted models?\u003c\/summary\u003e\n    \u003cp\u003eThis is an electric fuel pump designed specifically for use in Electronic Fuel Injection (EFI) systems. It is not compatible with older, carbureted engine models.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace my fuel pump?\u003c\/summary\u003e\n    \u003cp\u003eFuel pumps do not have a fixed replacement interval and should be replaced when they fail a pressure test or show clear signs of malfunction. It is also good practice to inspect or replace your fuel filters during the installation.\u003c\/p\u003e\n  \u003c\/details\u003e\n    \u003cdetails\u003e\n    \u003csummary\u003eIs this a complete assembly?\u003c\/summary\u003e\n    \u003cp\u003eYes, this is a complete fuel pump assembly that comes ready to install as a direct replacement for the original unit. It includes all integrated components as shown in the product photos.\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\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify images\/specifications vs 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\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723966484795,"sku":"21FP005","price":52.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/JLM21FP005-1_7effacb5-f83b-46d1-9aea-5476703d16ae.jpg?v=1763038633","url":"https:\/\/seasierra.com\/products\/fuel-pump-assembly-fits-mercury-mariner-30-60hp-4-stroke-outboard-replaces-8m0118177-8m0141827","provider":"SeaSierra","version":"1.0","type":"link"}