{"title":"Mercury Marine MerCruiser Fuel Pumps","description":"","products":[{"product_id":"mercury-mercruiser-boost-pump-kit-fits-mcm-mie-4-3l-5-0l-5-7l-6-2l-efi-mpi-engines-862264a7","title":"Mercury Mercruiser - Boost Pump Kit - Fits MCM\/MIE 4.3L, 5.0L, 5.7L, 6.2L EFI\/MPI Engines - 862264A7","description":"\u003cp\u003eWARNING: Cancer - www.P65Warnings.ca.gov\u003c\/p\u003e \u003cp\u003eBoost Pump Kit. Helps minimize vapor locking.\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMCM\/MIE 4.3L\u003c\/li\u003e \u003cli\u003e5.0L\u003c\/li\u003e \u003cli\u003e5.7L\u003c\/li\u003e \u003cli\u003e6.2L EFI\/MPI Engines\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626565034275,"sku":"862264A7","price":1323.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/862264a7.jpg?v=1698779561"},{"product_id":"mercury-mercruiser-fuel-pump-electric-fits-mcm-mie-4-3l-lh-5-0l-5-7l-gen-861155a3","title":"Quicksilver – Low-Pressure Fuel Boost Pump | MerCruiser Fuel System | Marine-Grade Construction | 861155A3","description":"\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver – Low-Pressure Fuel Boost Pump | MerCruiser Fuel System | Marine-Grade Construction | 861155A3\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e you’ve ever felt an engine hesitate as you throttle up, you know how unsettling it can be. Smooth, confident fuel delivery is the heartbeat of a good boating day, and this Quicksilver fuel boost pump \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to bring that steady rhythm back.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s one of those Mercury Marine parts you install and immediately appreciate — not because it draws attention to itself, but because your engine suddenly feels younger, steadier, and more eager to run.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eLow-pressure fuel boost pump for select MerCruiser engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes pump, fittings, and wiring with \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emulti-pin\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e connector\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEnsures consistent fuel delivery to high-pressure components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to Mercury Marine OEM standards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 861155A3\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eUsed on select MerCruiser sterndrive and inboard engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon across 4.3L, 5.0L, 5.7L, and various multi-port injection platforms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for cruisers, runabouts, cuddy cabins, larger bowriders, and heavy-loaded family boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks in both freshwater and coastal environments\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOnce installed, the pump delivers a steady\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ereliable flow of fuel \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat makes\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the engine feel tight and responsive.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It helps prevent starvation during hard acceleration, sharp turns, or rough water — moments when under-fueling can lead to stumbling or hesitation. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eT\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehe boost pump \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eassists\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the high-pressure system by \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efeeding\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e it exactly what it needs, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekeeping the whole fuel stream\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e balanced and controlled.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe pump’s marine-grade construction \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003egives\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e it the durability it needs to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003elive in a\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e hot, vibrating engine compartment.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The fittings seat cleanly, and the included wiring harness makes the electrical connection \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esimple and secure\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. That clean fitment matters. When everything snaps into place the way it should, it takes the stress out of the job.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOnce the engine fires up and settles into a smooth idle, the improvement is immediate. Throttle response sharpens, mid-range feels cleaner, and long runs become easier on the engine and the driver.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFuel components are unforgiving places to cut corners. Aftermarket pumps may produce inconsistent pressure, struggle under heat, or fail sooner than expected. A genuine Mercury Marine part is engineered to deliver reliable flow and hold up to real-world marine conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith OEM, you get the right connector, the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e pressure curve, the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e flow rate, and the durability that keeps you away from costly fuel-system diagnostics. Experienced boaters know: fuel delivery is one area where OEM matters most.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does this pump fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits various MerCruiser sterndrive and inboard engines that require a low-pressure boost pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it better than aftermarket pumps?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM pumps maintain proper pressure and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebuilt\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to withstand marine heat and vibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it’s correct for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your manual. If it calls for part number 861155A3, this is your pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eits\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e marine-grade design handles both environments well.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, especially with the included wiring connector and fittings.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626587971875,"sku":"861155A3","price":756.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/861155a3.jpg?v=1761578222"},{"product_id":"mercury-mercruiser-fuel-pump-fits-mcm-500-efi-525-efi-575-sci-600-sci-662-sci-700-sci-889275t","title":"Mercury Mercruiser - Fuel Pump - Fits MCM 500 EFI, 525 EFI, 575 SCi, 600 SCi, 662 SCi \u0026 700 SCi - 889275T","description":"\u003cp\u003eFits MCM 500 EFI, 525 EFI, 575 SCi, 600 SCi, 662 SCi \u0026amp; 700 SCi\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626596360483,"sku":"889275T","price":232.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/889275t_4.jpg?v=1698779556"},{"product_id":"mercury-mercruiser-fuel-pump-cooler-kit-fits-gm-v-6-v-8-efi-engines-496-cid-models-black-scorpion-models-8m0125846","title":"Mercury – Quicksilver Fuel Pump Cooler Kit | Cooling \u0026 Fuel System Components | Durable Marine-Grade Construction | 8M0125846","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Quicksilver Fuel Pump Cooler Kit | Cooling \u0026amp; Fuel System Components | Durable Marine-Grade Construction | 8M0125846\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Anyone who’s run a big-block or small-block MerCruiser on a hot summer afternoon knows how good it feels when the engine stays steady, cool, and predictable. You can hear it in the tone of the exhaust and feel it in the smooth pull as you throttle up. That confidence doesn’t happen by accident — it comes from parts that keep fuel temperatures under control even when the rest of the world is heating up. The Quicksilver 8M0125846 Fuel Pump Cooler Kit is one of those quiet heroes, helping the engine stay happy so you can focus on the ride instead of worrying about vapor lock or heat-related hiccups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps regulate fuel pump temperature for more consistent engine performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for V6 and V8 MerCruiser engines including 305, 350, 377, 454, 502, and all 496 cubic-inch models\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for both sterndrive and inboard applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade construction designed to withstand heat and vibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStraightforward installation with common tools\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser V6 and V8 sterndrive and inboard engines (305, 350, 377, 454, 502 CID) within serial numbers 0L000000–0M299999\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with all 496 cubic-inch MerCruiser engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with Black Scorpion sterndrive models from serial 0L000000 and up\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on cruisers, bowriders, wake boats, sport boats, and classic inboard setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for boaters who push their engines hard in warm climates or heavy-load situations\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e You’ll notice the difference this kit makes the moment you run the boat on a hot day. By keeping the fuel pump cooler, the engine responds more cleanly, without hesitation or the sluggish feeling that comes when fuel temps start creeping up. Throttle transitions feel smoother, idle stays steadier, and there’s a quiet confidence in knowing the engine is getting fuel at the right temperature every time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurability matters, and this kit is built for real-world use. It handles heat, water spray, and constant vibration without feeling fragile or wearing out before its time. Because it’s engineered to Mercury Marine specifications, it fits neatly into the system without improvising or modifying anything. Installation is simple enough that many boaters knock it out in an afternoon, and once it’s in place, maintenance stays straightforward season after season.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A cooling component like this isn’t the place to gamble on off-brand alternatives\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. With a genuine Mercury Marine part, you know the cooling flow, routing, and fitment match the engine exactly as intended. Aftermarket versions can vary in tolerances or materials, which can lead to uneven cooling or premature failure. Sticking with this Mercury Marine part number ensures you’re giving your engine the same quality it was designed around\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. It’s the practical choice — the one that protects your investment while keeping performance predictable and strong. This is the kind of advice old-school boaters pass down because it holds up year after year.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the Quicksilver 8M0125846 Fuel Pump Cooler Kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser V6 and V8 engines including 305, 350, 377, 454, 502, all 496 engines, and Black Scorpion models within the listed serial ranges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this different from aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s designed to Mercury Marine’s exact specifications, giving you better fitment, long-term durability, and more consistent cooling performanc\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ee.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm this is the right kit for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine’s displacement and serial number. If it falls within the ranges listed, this is the correct Mercury Marine part.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. This kit is built for harsh marine environments in either type of water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. Most people with basic mechanical skills and common tools can install it without trouble.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932428783907,"sku":"8M0125846","price":1079.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0125846_main.jpg?v=1760631393"},{"product_id":"mercury-mercruiser-fuel-pump-electric-fits-75-115-efi-fourstroke-150-efi-fourstroke-mcm-4-5l-6-2l-mpi-8m0062770","title":"Mercury Mercruiser - Fuel Pump - Electric - Fits 75-115 EFI FourStroke, 150 EFI FourStroke, MCM 4.5L - 6.2L MPI - 8M0062770","description":"\u003cp\u003eElectric High pressure pump.\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e75-115 EFI FourStroke (2.1L)\u003c\/li\u003e \u003cli\u003e150 EFI FourStroke\u003c\/li\u003e \u003cli\u003eMCM 4.5L - 6.2L MPI (Mercury)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932428947747,"sku":"8M0062770","price":364.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0062770.jpg?v=1698779553"},{"product_id":"mercury-mercruiser-fuel-pump-fits-mcm-175-185-205-4-3l-lx-862077a1","title":"Mercury Mercruiser - Fuel Pump - Fits MCM 175, 185, 205 \u0026 4.3L\/LX - 862077A1","description":"\u003cp\u003eMercury Mercruiser 862077A1 Fuel pump\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMCM 175, 185, 205 \u0026amp; 4.3L\/LX\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932430029091,"sku":"862077A1","price":244.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/862077a1.jpg?v=1698779559"},{"product_id":"mercury-mercruiser-fuel-pump-fits-mcm-mie-330-340-7-4l-454-mag-370-400-420-425-440-862048a1","title":"Mercury Mercruiser - Fuel Pump - Fits MCM\/MIE 330, 340, 7.4L 454 Mag, 370, 400, 420, 425 \u0026 440 - 862048A1","description":"\u003cp\u003eMercury Mercruiser 862048A1 Fuel pump\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMCM\/MIE 330, 340, 7.4L 454 Mag, 370, 400, 420, 425 \u0026amp; 440\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932430127395,"sku":"862048A1","price":235.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/862048a1.jpg?v=1698779559"},{"product_id":"mercury-mercruiser-fuel-pump-electric-fits-mcm-100-vazer-8m2001321","title":"Mercury Mercruiser - Fuel Pump - Electric - Fits MCM 100 Vazer - 8M2001321","description":"\u003cp\u003eElectric High pressure pump.\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMCM 100 Vazer\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935084957987,"sku":"8M2001321","price":171.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m2001321.jpg?v=1698791939"},{"product_id":"mercury-mercruiser-fuel-pump-cooler-kit-fits-gm-v-6-v-8-mpi-engines-8m0125852","title":"Mercury – Fuel Pump Cooler Kit | EFI Fuel System Cooling | 8M0125852","description":"\u003cp data-start=\"0\" data-end=\"72\"\u003e\u003cstrong data-start=\"0\" data-end=\"72\"\u003eMercury – Fuel Pump Cooler Kit | EFI Fuel System Cooling | 8M0125852\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"74\" data-end=\"77\"\u003e\n\u003cp data-start=\"79\" data-end=\"91\"\u003e\u003cstrong data-start=\"79\" data-end=\"91\"\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"93\" data-end=\"568\"\u003eFuel heat can sneak up on EFI engines, especially when you’re running hard or sitting in warm conditions. That’s where the Mercury Fuel Pump Cooler Kit 8M0125852 comes into play. This kit is designed to help manage fuel temperature on select MerCruiser EFI sterndrive and inboard engines, keeping fuel delivery more consistent and combustion more efficient. It’s a behind-the-scenes component, but one that can make a real difference in how smoothly an engine runs over time.\u003c\/p\u003e\n\u003chr data-start=\"570\" data-end=\"573\"\u003e\n\u003cp data-start=\"575\" data-end=\"591\"\u003e\u003cstrong data-start=\"575\" data-end=\"591\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"595\" data-end=\"691\"\u003e\n\u003cstrong data-start=\"595\" data-end=\"623\"\u003eFuel pump and cooler kit\u003c\/strong\u003e designed for select MerCruiser EFI sterndrive and inboard engines\u003c\/li\u003e\n\u003cli data-start=\"694\" data-end=\"769\"\u003e\u003cstrong data-start=\"694\" data-end=\"767\"\u003eIncludes fuel pump, cooling heat sink, connectors, and wiring harness\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"772\" data-end=\"839\"\u003e\n\u003cstrong data-start=\"772\" data-end=\"807\"\u003eHelps cool fuel before delivery\u003c\/strong\u003e for more efficient combustion\u003c\/li\u003e\n\u003cli data-start=\"842\" data-end=\"929\"\u003e\n\u003cstrong data-start=\"842\" data-end=\"884\"\u003eDesigned for specific EFI applications\u003c\/strong\u003e where fuel temperature control is required\u003c\/li\u003e\n\u003cli data-start=\"932\" data-end=\"1011\"\u003e\n\u003cstrong data-start=\"932\" data-end=\"978\"\u003eBuilt to Mercury Marine OEM specifications\u003c\/strong\u003e for proper fit and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1013\" data-end=\"1016\"\u003e\n\u003cp data-start=\"1018\" data-end=\"1053\"\u003e\u003cstrong data-start=\"1018\" data-end=\"1053\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1057\" data-end=\"1143\"\u003e\n\u003cstrong data-start=\"1057\" data-end=\"1118\"\u003eMerCruiser V-6 and V-8 EFI sterndrive and inboard engines\u003c\/strong\u003e made by General Motors\u003c\/li\u003e\n\u003cli data-start=\"1146\" data-end=\"1237\"\u003e\n\u003cstrong data-start=\"1146\" data-end=\"1189\"\u003e305, 350, 377, 454, and 503 CID engines\u003c\/strong\u003e with serial numbers OL000000 through OM299999\u003c\/li\u003e\n\u003cli data-start=\"1240\" data-end=\"1322\"\u003e\n\u003cstrong data-start=\"1240\" data-end=\"1281\"\u003e496 models and Black Scorpion engines\u003c\/strong\u003e with serial numbers OL000000 and above\u003c\/li\u003e\n\u003cli data-start=\"1325\" data-end=\"1421\"\u003e\n\u003cstrong data-start=\"1325\" data-end=\"1376\"\u003eFor specific factory-equipped applications only\u003c\/strong\u003e — always verify with service documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1423\" data-end=\"1426\"\u003e\n\u003cp data-start=\"1428\" data-end=\"1468\"\u003e\u003cstrong data-start=\"1428\" data-end=\"1468\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1470\" data-end=\"1820\"\u003eManaging fuel temperature is an important part of EFI performance, and this kit is used in applications where added cooling is needed. By helping keep fuel cooler as it moves through the system, the engine can maintain more consistent fuel delivery and cleaner combustion. That can translate to smoother operation, especially in demanding conditions.\u003c\/p\u003e\n\u003cp data-start=\"1822\" data-end=\"2126\"\u003eThe kit also supports long-term durability. Excessive fuel heat can stress components over time, and this cooler setup helps reduce that load. Everything in the kit is designed to work together—pump, heat sink, wiring, and connectors—so once installed, it operates quietly and reliably in the background.\u003c\/p\u003e\n\u003chr data-start=\"2128\" data-end=\"2131\"\u003e\n\u003cp data-start=\"2133\" data-end=\"2148\"\u003e\u003cstrong data-start=\"2133\" data-end=\"2148\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2150\" data-end=\"2472\"\u003eFuel system components aren’t the place to experiment. OEM Mercury parts are engineered to meet exact performance, safety, and durability standards for your engine. This kit is produced to original equipment specifications, ensuring proper integration with the EFI system and correct operation under real-world conditions.\u003c\/p\u003e\n\u003cp data-start=\"2474\" data-end=\"2815\"\u003eQuicksilver, Mercury’s trusted OEM replacement brand, has been supplying marine engines with tested parts and accessories for decades. These components are designed and validated in demanding environments, giving you confidence that everything will work the way it should. Choosing OEM means fewer surprises and better long-term reliability.\u003c\/p\u003e\n\u003chr data-start=\"2817\" data-end=\"2820\"\u003e\n\u003cp data-start=\"2822\" data-end=\"2829\"\u003e\u003cstrong data-start=\"2822\" data-end=\"2829\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2831\" data-end=\"2968\"\u003e\u003cstrong data-start=\"2831\" data-end=\"2883\"\u003eQ1: What does this fuel pump cooler kit include?\u003c\/strong\u003e\u003cbr data-start=\"2883\" data-end=\"2886\"\u003eThe kit includes the fuel pump, cooling heat sink, connectors, and wiring harness.\u003c\/p\u003e\n\u003cp data-start=\"2970\" data-end=\"3215\"\u003e\u003cstrong data-start=\"2970\" data-end=\"3011\"\u003eQ2: What engines is this kit used on?\u003c\/strong\u003e\u003cbr data-start=\"3011\" data-end=\"3014\"\u003eIt is used on select MerCruiser V-6 and V-8 EFI sterndrive and inboard engines manufactured by General Motors, including several 305 through 503 CID platforms and certain 496 and Black Scorpion models.\u003c\/p\u003e\n\u003cp data-start=\"3217\" data-end=\"3377\"\u003e\u003cstrong data-start=\"3217\" data-end=\"3269\"\u003eQ3: What is the purpose of the fuel pump cooler?\u003c\/strong\u003e\u003cbr data-start=\"3269\" data-end=\"3272\"\u003eIt helps reduce fuel temperature for more efficient delivery and combustion in specific EFI applications.\u003c\/p\u003e\n\u003cp data-start=\"3379\" data-end=\"3575\"\u003e\u003cstrong data-start=\"3379\" data-end=\"3428\"\u003eQ4: Will this fit all MerCruiser EFI engines?\u003c\/strong\u003e\u003cbr data-start=\"3428\" data-end=\"3431\"\u003eNo. This kit is used only on specific engine models and serial number ranges. Always confirm compatibility using your owner’s or service manual.\u003c\/p\u003e\n\u003cp data-start=\"3577\" data-end=\"3750\"\u003e\u003cstrong data-start=\"3577\" data-end=\"3613\"\u003eQ5: Is this an OEM Mercury part?\u003c\/strong\u003e\u003cbr data-start=\"3613\" data-end=\"3616\"\u003eYes. This kit is built to Mercury Marine original equipment specifications and supplied under the Quicksilver OEM replacement program.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935239819555,"sku":"8M0125852","price":1071.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0125852_main.jpg?v=1760631387"},{"product_id":"mercury-mercruiser-fuel-pump-cooler-kit-fits-gm-vaeu-6-vaeu-8-engines-8m0125845","title":"Mercury Mercruiser - Fuel Pump\/Cooler Kit - Fits GM V-6 \u0026 V-8 Engines - 8M0125845","description":"\u003cp\u003eFUEL PUMP\/COOLW\/COOLFUEL MZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935240016163,"sku":"8M0125845","price":929.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0125845.jpg?v=1698792586"},{"product_id":"mercury-mercruiser-fuel-pump-fits-4-cylinder-engines-8m0073435","title":"Mercury – Fuel Pump, Bowl Down | MerCruiser Sterndrive Series | Marine-Grade Fuel System Component | 8M0073435","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Fuel Pump, Bowl Down | MerCruiser Sterndrive Series | Marine-Grade Fuel System Component | 8M0073435\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you’ve ever had a sterndrive stumble at the worst possible moment—right when you’re easing away from the dock or pushing through a tight channel—you know how fast a “small” fuel issue can ruin a day. Fuel delivery is one of those behind-the-scenes systems you only notice when it’s not right. When it is right, the boat feels calm. Predictable. Ready.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis fuel pump is the kind of Mercury Marine part that brings that confidence back. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for the bowl-down setup, so you’re not trying to force a mismatched pump into place or hoping the orientation won’t matter. Yo\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eu install it, the engine settles into a steadier rhythm, and you get that familiar feeling of being able to trust the throttle again.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReplacement fuel pump designed for MerCruiser sterndrive fuel delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBowl-down mounting orientation (filter bowl faces down) for the correct engine configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eBu\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eilt to meet Mercury \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e original equipment manufacturer specifications for fit and performance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIntended for specific MerCruiser \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2.5 liter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e3.0 liter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e3.7 liter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e sterndrive engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to support steady fuel flow for smoother starts, idle, and acceleration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0073435\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFits select MerCruiser sterndrive engines:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2.5 liter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003e3.0 liter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003e3.7 liter\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCorrect for applications where the fuel pump filter bowl is mounted facing down\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on runabouts, bowriders, small cruisers, and classic sterndrive fishing setups\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOn the water, a healthy fuel pump doesn’t announce itself. It just delivers. This one \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis made\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to restore that smooth, steady feel—especially if your current pump is getting tired and showing it through hard starts, uneven idle, or a hesitation when you bring the throttle up. When the fuel supply is consistent, the engine feels more confident. Starts feel cleaner. Acceleration feels steadier. And you spend less time listening for problems that may or may not be \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecoming\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e bowl-down detail is a bigger deal than it sounds. If you’ve ever compared parts side-by-side and realized the orientation doesn’t match your setup, you know how quickly a “simple swap” turns into frustration. This pump is built specifically for that downward-facing configuration, which helps installation feel straightforward and secure. It \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efits the way it’s supposed to, lines up the way it should, and reduces the odds of awkward routing or forced connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFrom a maintenance standpoint, replacing a worn fuel pump is one of those smart moves that can prevent bigger headaches later. Fuel issues can lead to lean running, poor performance, and stranded afternoons. A solid replacement pump keeps your day simple, which is the whole point of boating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen it comes to fuel delivery, “close enough” isn’t a comforting plan. This Mercury Marine part \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis produced\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to original equipment manufacturer specifications, which means you’re buying a component designed around the engine \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emeant\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to serve. That usually translates to better fitment, more reliable performance, and fewer repeat repairs compared to off-brand alternatives that may not match tolerances or orientation correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you’re trying to keep an older MerCruiser running \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003elike\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e it should, OEM-style replacement parts are often the most cost-effective path. You install it once, it works right, and you get back to enjoying the boat instead of chasing fuel gremlins.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ Section\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines or systems \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edoes\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the Fuel Pump, Bowl Down fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt fits select MerCruiser \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2.5 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eliter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e3.0 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eliter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e3.7 liter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e sterndrive engines that use the bowl-down fuel pump configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this part different from aftermarket alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s built to meet Mercury Marine original equipment manufacturer specifications and matches the correct bowl-down orientation for proper fit and function.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHow do I know if\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e this \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the correct replacement for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Confirm your engine displacement and verify your current pump mounts with the filter bowl facing down. Then match the part number to 8M0073435.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this be used in both saltwater and freshwater applications?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. Fuel pumps \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare used\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in both environments. In saltwater, good rinsing habits and routine inspections help \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eeverything last longer\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e For many owners, yes—especially if you’re familiar with basic sterndrive maintenance. If you’re unsure, a marine technician can swap it quickly and safely.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935371120931,"sku":"8M0073435","price":270.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0073435_main.jpg?v=1760631344"},{"product_id":"mercury-mercruiser-fuel-pump-electric-fits-75-115-efi-fourstroke-150-efi-fourstoke-mcm-4-5l-6-2l-mpi-8m0062771","title":"Mercury Mercruiser - Fuel Pump - Electric - Fits 75-115 EFI FourStroke, 150 EFI Fourstoke, MCM 4.5L \u0026 6.2L MPI - 8M0062771","description":"\u003cp\u003eElectric Low pressure pump.\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e75-115 EFI FourStroke\u003c\/li\u003e \u003cli\u003e150 EFI Fourstoke\u003c\/li\u003e \u003cli\u003eMCM 4.5L \u0026amp; 6.2L MPI (Mercury)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935417028899,"sku":"8M0062771","price":340.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0062771.jpg?v=1698793371"},{"product_id":"mercury-mercruiser-fuel-pump-fits-gm-v-8-engines-8m0058164","title":"Mercury – Fuel Pump | MerCruiser GM V8 Series | Marine-Grade Steel Construction | 8M0058164","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Fuel Pump | MerCruiser GM V8 Series | Marine-Grade Steel Construction | 8M0058164\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e There’s a specific kind of confidence that comes from turning the key on a well-cared-for MerCruiser and feeling that deep V8 come alive without hesitation. It’s steady. It’s familiar. And it’s exactly the feeling you get when your fuel system is supported by a part you trust. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver 8M0058164 Fuel Pump\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e keeps that heartbeat strong, delivering reliable fuel flow so you can focus on the water ahead — not what’s happening under the engine hatch. Whether you’re easing away from the dock at dawn or powering up to cross open water, it’s the kind of dependability that settles in your chest and stays with you all day.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReplacement fuel pump designed for select MerCruiser V8 sterndrive engines made by General Motors (three-hundred-five and three-hundred-fifty cubic inch)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMounts securely to the engine block with the filter bowl facing downward for proper drainage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade construction for strength and longevity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProduced to Mercury Marine original equipment specifications for precise fit and reliable performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStraightforward installation using common tools\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAttaching hardware sold separately\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser sterndrive engines built by General Motors in three-hundred-five and three-hundred-fifty cubic inch V8 configurations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on runabouts, cruisers, bowriders, and classic stern-drive setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for both recreational boating and light commercial use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks within fuel systems originally equipped with the same style mechanical pump\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A fuel pump may be tucked out of sight, but you feel its importance every time you advance the throttle. With the 8M0058164, the fuel delivery feels smooth and steady — no hesitation, no surging, just clean and consistent flow. That translates directly to confident hole shots, predictable acceleration, and a comfortable cruising rhythm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe pump’s design mirrors the original equipment exactly, eliminating guesswork and offering a tight, proper fit. You’ll appreciate how secure everything feels once bolted into place, especially when you’re navigating chop or running long stretches. Corrosion-resistant materials and a sealed bowl orientation help protect against wear, moisture, and debris — all the things that tend to creep into a marine engine bay over time. Maintenance stays simple: clear access, clean lines, and a part built with longevity at its core.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e When it comes to fuel delivery on a V8 marine engine, there’s no room for experiments. Aftermarket pumps might look similar, but small differences in pressure, valve timing, or internal materials can lead to hard starts, vapor lock, or premature failure. A \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003egenuine Mercury Marine part\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is engineered specifically for your MerCruiser system and calibrated to operate exactly as the engine expects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChoosing part number \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e8M0058164\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e means you’re installing reliability, protecting engine life, and avoiding repeat repairs — the kind of practical choice any seasoned boater would recommend.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does this fuel pump fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser sterndrive engines built by General Motors in three-hundred-five and three-hundred-fifty cubic inch V8 models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What sets it apart from aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM calibration, proper pressure delivery, and exact fitment designed to match MerCruiser engineering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm this is the right pump?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine’s model and serial range against your owner’s manual or parts guide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for saltwater and freshwater use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, the materials and design support long-term performance in either environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation simple?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boat owners with basic mechanical experience and common hand tools can install it confidently.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935426367779,"sku":"8M0058164","price":213.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0058164_main.jpg?v=1760631341"},{"product_id":"mercury-mercruiser-fuel-pump-electric-gm-v-8-engines-866170a01","title":"Mercury – Low Pressure Electric Fuel Pump | Gen III Cool Fuel | Marine Engine Component | 866170T01","description":"\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Low Pressure Electric Fuel Pump | Gen III Cool Fuel | Marine Engine Component | 866170T01\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAnyone who’s spent long days on the water knows the engine only runs as well as the fuel system feeding it. When the fuel flow is steady, the boat feels alive — crisp throttle response, smooth idle, effortless acceleration. Mercury Marine part number 866170T01 delivers that kind of confidence. This low-pressure electric fuel pump supports your engine the same way a good deckhand supports the captain: quietly, reliably, and without drawing attention to itself. Whether you’re running offshore swells or cruising calm inland water, having dependable fuel delivery means the entire boat just feels right.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProvides consistent low-pressure fuel delivery.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eV8 MerCruiser engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with Gen III Cool Fuel modules.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt from durable marine-grade components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes pump and connecting accessories.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered for clean, efficient fuel flow under all conditions.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e305, 350, 377, 496, and 502 cid V8 MerCruiser engines.\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGen III Cool Fuel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e equipped sterndrive engines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for performance boats, cruisers, and tow-sport vessels.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with both saltwater and freshwater applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA fuel pump like this doesn’t just move fuel — it shapes how the entire boat feels. With steady low-pressure flow, the engine breathes easier. Starts are quicker, idle becomes smoother, and hesitation under acceleration disappears. You’ll feel it immediately in tight maneuvering and especially when you roll into the throttle to get the boat on plane.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis OEM pump is built to handle the heat, vibration, and constant demand of marine use. The internal components resist wear, and its electrical connections are designed for stability in high-moisture environments. Because it’s engineered specifically for Gen III Cool Fuel setups, the installation aligns perfectly — no awkward fittings, no guesswork.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReplacing an aging pump often brings an engine back to life. If you’ve noticed sluggish acceleration, rough idle, or hard starting, this pump can restore the clean, reliable flow your engine was designed around.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFuel delivery is too important to entrust to generic parts. With an OEM pump, you know the pressure output, electrical characteristics, and fitment match what Mercury intended — and that precision helps protect injectors, fuel rails, and the Cool Fuel module itself. If a fellow boater asked whether aftermarket was worth the risk, I’d say no every time. This is one of those parts where OEM simply delivers the peace of mind you want when family and friends are aboard.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does this pump fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits V8 MerCruiser engines with Gen III Cool Fuel modules: 305, 350, 377, 496, and 502 cid.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes OEM better for fuel pumps?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Exact output pressure, correct electrical connections, and long-term durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it’s right for my boat?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Verify engine model and confirm you have a Gen III Cool Fuel module.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Works in saltwater too?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — it’s built for full marine exposure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Easy for most boaters to install?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, though having access to the fuel module is necessary.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935727767843,"sku":"866170A01","price":332.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/866170a01_main.jpg?v=1760631286"},{"product_id":"mercury-mercruiser-fuel-pump-regulator-kit-gm-v-8-engines-866169t01","title":"Mercury Mercruiser - Fuel Pump\/Regulator Kit - GM V-8 Engines - 866169T01","description":"\u003cp\u003eFuel Pump\/Regulator Kit High pressure pump w\/regulator.\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eGM V-8 (305, 650, 377, 496, \u0026amp; 502 cid) engines w\/Gen III Cool Fuel Module\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935727800611,"sku":"866169T01","price":410.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/866169t01.jpg?v=1698794842"},{"product_id":"mercury-mercruiser-fuel-pump-mcm-500-861677a2","title":"Mercury Mercruiser - Fuel Pump - MCM 500 - 861677A2","description":"\u003cp\u003eIncludes gasket.\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMCM 500 (Gen+)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935790387491,"sku":"861677A2","price":248.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/861677a2.jpg?v=1698794989"},{"product_id":"mercury-mercruiser-fuel-pump-fits-gm-v-8-engines-861677t","title":"Mercury – Fuel Pump | MerCruiser V8 GM Series | Marine-Grade Mechanical Pump | 861677T","description":"\u003cp data-start=\"0\" data-end=\"102\"\u003e\u003cstrong data-start=\"0\" data-end=\"102\"\u003eMercury – Fuel Pump | MerCruiser V8 GM Series | Marine-Grade Mechanical Pump | 861677T\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"104\" data-end=\"107\"\u003e\n\u003cp data-start=\"109\" data-end=\"735\"\u003e\u003cstrong data-start=\"109\" data-end=\"121\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"121\" data-end=\"124\"\u003eOut on the water, nothing feels better than an engine that responds instantly—smooth, strong, and ready to run. Whether you’re pushing a big V8 through open chop or easing away from the dock with friends aboard, you want to know your fuel system is doing its job without hesitation. That’s where a dependable mechanical pump really earns its place. The Mercury Marine part number 861677T Fuel Pump is built for those classic V8 MerCruiser engines, delivering steady, reliable fuel flow that keeps your boat running the way it should. It’s the kind of part you install once and trust every time you turn the key.\u003c\/p\u003e\n\u003chr data-start=\"737\" data-end=\"740\"\u003e\n\u003cp data-start=\"742\" data-end=\"760\"\u003e\u003cstrong data-start=\"742\" data-end=\"758\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"761\" data-end=\"1193\"\u003e\n\u003cli data-start=\"761\" data-end=\"845\"\u003e\n\u003cp data-start=\"763\" data-end=\"845\"\u003eMechanical fuel pump engineered for V8 MerCruiser sterndrive and inboard engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"846\" data-end=\"924\"\u003e\n\u003cp data-start=\"848\" data-end=\"924\"\u003eDesigned for General Motors 454 and 502 cubic-inch marine engine platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"925\" data-end=\"1008\"\u003e\n\u003cp data-start=\"927\" data-end=\"1008\"\u003eDurable marine-grade construction built to handle heat, vibration, and moisture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1009\" data-end=\"1092\"\u003e\n\u003cp data-start=\"1011\" data-end=\"1092\"\u003eFactory-matched to Mercury Marine OEM specifications for consistent performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1093\" data-end=\"1193\"\u003e\n\u003cp data-start=\"1095\" data-end=\"1193\"\u003eProvides precise, dependable fuel delivery for efficient combustion and strong throttle response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1195\" data-end=\"1198\"\u003e\n\u003cp data-start=\"1200\" data-end=\"1233\"\u003e\u003cstrong data-start=\"1200\" data-end=\"1231\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1234\" data-end=\"1530\"\u003e\n\u003cli data-start=\"1234\" data-end=\"1310\"\u003e\n\u003cp data-start=\"1236\" data-end=\"1310\"\u003eFits V8 MerCruiser sterndrive and inboard engines made by General Motors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1311\" data-end=\"1368\"\u003e\n\u003cp data-start=\"1313\" data-end=\"1368\"\u003eSupports 454 CID and 502 CID MerCruiser engine models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1369\" data-end=\"1463\"\u003e\n\u003cp data-start=\"1371\" data-end=\"1463\"\u003eIdeal for cruisers, offshore boats, sport boats, cabin boats, and classic big-block setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1464\" data-end=\"1530\"\u003e\n\u003cp data-start=\"1466\" data-end=\"1530\"\u003eSuitable for both leisure and heavier-duty marine applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1532\" data-end=\"1535\"\u003e\n\u003cp data-start=\"1537\" data-end=\"2033\"\u003e\u003cstrong data-start=\"1537\" data-end=\"1573\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1573\" data-end=\"1576\"\u003eA mechanical pump may seem simple, but on a big-block marine engine, it’s absolutely essential. The 861677T provides the steady, controlled fuel flow these engines need to stay smooth at idle and strong under load. You’ll feel the difference when the throttle responds cleanly instead of stumbling or lagging. When you roll the power forward, the fuel supply stays steady and confident, giving your V8 that tight, powerful push you expect from a MerCruiser.\u003c\/p\u003e\n\u003cp data-start=\"2035\" data-end=\"2528\"\u003eThis fuel pump is engineered specifically for the marine environment. The internal components are built to handle constant vibration, fluctuating temperatures, and the demands of long hours on the water. The body feels solid and secure in your hand—heavy enough to inspire confidence, precise enough to install smoothly without wrestling it into place. Once installed, it maintains tight sealing and consistent flow, helping protect your engine from fuel starvation or lean-running conditions.\u003c\/p\u003e\n\u003cp data-start=\"2530\" data-end=\"2747\"\u003eWith an OEM match, the fit is exact, the mounting points are perfect, and the flow characteristics align with what Mercury designed. No guesswork, no adjustments—just a dependable pump that does what it’s supposed to.\u003c\/p\u003e\n\u003chr data-start=\"2749\" data-end=\"2752\"\u003e\n\u003cp data-start=\"2754\" data-end=\"3319\"\u003e\u003cstrong data-start=\"2754\" data-end=\"2769\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"2769\" data-end=\"2772\"\u003eFor something as vital as fuel delivery, sticking with genuine Mercury Marine parts is simply the smart choice. The 861677T is built to the same standards as the original factory pump, ensuring long-term reliability and proper fuel flow under all conditions. Aftermarket pumps might look similar but often vary in flow rate, pressure regulation, or material durability. That can lead to hard starting, inconsistent performance, or even engine damage over time. An OEM pump gives you the right performance the first time—and for many seasons after.\u003c\/p\u003e\n\u003chr data-start=\"3321\" data-end=\"3324\"\u003e\n\u003cp data-start=\"3326\" data-end=\"3333\"\u003e\u003cstrong data-start=\"3326\" data-end=\"3333\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3335\" data-end=\"3516\"\u003e\u003cstrong data-start=\"3335\" data-end=\"3396\"\u003eQ1: Which engines does the Mercury 861677T Fuel Pump fit?\u003c\/strong\u003e\u003cbr data-start=\"3396\" data-end=\"3399\"\u003eIt fits V8 MerCruiser sterndrive and inboard engines made by General Motors, including 454 and 502 cubic-inch models.\u003c\/p\u003e\n\u003cp data-start=\"3518\" data-end=\"3721\"\u003e\u003cstrong data-start=\"3518\" data-end=\"3587\"\u003eQ2: What makes this pump different from aftermarket alternatives?\u003c\/strong\u003e\u003cbr data-start=\"3587\" data-end=\"3590\"\u003eIt’s engineered to Mercury Marine’s exact OEM specifications, ensuring proper flow, pressure, and durability for marine V8 engines.\u003c\/p\u003e\n\u003cp data-start=\"3723\" data-end=\"3891\"\u003e\u003cstrong data-start=\"3723\" data-end=\"3780\"\u003eQ3: How do I know if this is the correct replacement?\u003c\/strong\u003e\u003cbr data-start=\"3780\" data-end=\"3783\"\u003eCheck your service manual or existing pump for part number 861677T. If it matches, this is the correct pump.\u003c\/p\u003e\n\u003cp data-start=\"3893\" data-end=\"4055\"\u003e\u003cstrong data-start=\"3893\" data-end=\"3957\"\u003eQ4: Can this pump be used in saltwater and freshwater boats?\u003c\/strong\u003e\u003cbr data-start=\"3957\" data-end=\"3960\"\u003eYes—its marine-grade construction resists corrosion and performs reliably in both environments.\u003c\/p\u003e\n\u003cp data-start=\"4057\" data-end=\"4244\"\u003e\u003cstrong data-start=\"4057\" data-end=\"4097\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"4097\" data-end=\"4100\"\u003eFor most mechanically inclined boat owners, yes. Mounting and fueling connections are simple, but professional installation is always an option.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935790420259,"sku":"861677T","price":291.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/861677t_main.jpg?v=1760631269"},{"product_id":"mercury-mercruiser-fuel-pump-electric-mcm-262-mag-efi-4-3l-lx-4-3-lh-lxh-861155a6","title":"Mercury Mercruiser - Fuel Pump - Electric - MCM 262 Mag EFI, 4.3L\/LX, 4.3 LH\/LXH - 861155A6","description":"\u003cp\u003eWARNING: Cancer - www.P65Warnings.ca.gov\u003c\/p\u003e \u003cp\u003eElectric Low pressure.\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMCM 262 Mag EFI\u003c\/li\u003e \u003cli\u003e4.3L\/LX\u003c\/li\u003e \u003cli\u003e4.3 LH\/LXH\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935795007779,"sku":"861155A6","price":739.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/861155a6.jpg?v=1698795001"},{"product_id":"mercury-mercruiser-fuel-pump-fits-mcm-500-efi-575-sci-849930t02","title":"Mercury Mercruiser - Fuel Pump - Fits MCM 500 EFI \u0026 575 SCi - 849930T02","description":"\u003cp\u003eFits MCM 500 EFI \u0026amp; 575 SCi\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935901765923,"sku":"849930T02","price":848.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/849930t02.jpg?v=1698795329"},{"product_id":"mercury-mercruiser-fuel-pump-electric-fits-mcm-525-efi-841080t01","title":"Mercury Mercruiser - Fuel Pump - Electric - Fits MCM 525 EFI - 841080T01","description":"\u003cp\u003eFits MCM 525 EFI\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935957700899,"sku":"841080T01","price":975.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/841080t01.jpg?v=1698795523"}],"url":"https:\/\/partsvu.com\/en-mx\/collections\/mercury-marine-mercruiser-fuel-pumps.oembed","provider":"PartsVu","version":"1.0","type":"link"}