{"product_id":"mercury-fuel-pressure-regulator-see-below-for-application-861126a1","title":"Quicksilver – Fuel Pressure Regulator | MerCruiser MPI Series | Precision Fuel Control | 861126A1","description":"\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver – Fuel Pressure Regulator | MerCruiser MPI Series | Precision Fuel Control | 861126A1\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 Every boater knows the feeling of a perfectly tuned engine — that crisp throttle response, that steady push as the boat climbs onto plane. When the fuel system is balanced, everything feels smoother. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Quicksilver fuel pressure regulator is one of those behind-the-scenes parts that quietly keeps the engine behaving its best. It’s the kind of component you trust without thinking about it, because you know it’s controlling the heartbeat of the fuel system with steady, predictable accuracy.\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\"\u003eFuel pressure regulator for select MerCruiser MPI engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMounts directly on the fuel cooler\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to maintain consistent fuel pressure under load\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to Mercury Marine OEM specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver part number 861126A1\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\"\u003eFits MerCruiser 4.3L, 5.0L, 5.7L, 6.2L MPI engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlso fits 7.4L MPI (L29), 454 Magnum MPI, 496 Magnum, 500 EFI, and 8.1S and HO platforms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon across cruisers, large bowriders, sport cuddy boats, and performance hulls\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for both freshwater and saltwater boats\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 good fuel pressure regulator doesn’t call attention to itself — it simply holds pressure where it needs to be so the injectors deliver the right amount of fuel every time. With this OEM part, you’ll feel smoother acceleration, steadier idle, and cleaner top-end performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eUnder load, the regulator keeps fuel delivery tight and predictable, preventing surging or hesitation. That’s especially important for heavier boats or engines running hard in chop. The construction is built to handle the constant heat of the fuel cooler while resisting corrosion from the marine environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation is straightforward for anyone comfortable working with MPI systems. Once installed, the regulator settles in with that solid OEM fitment that inspires confidence every time you turn the key.\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 aren’t the place to experiment. Aftermarket regulators often drift out of specification, struggle with heat, or fail prematurely. A genuine Mercury Marine part keeps your engine running the way its engineers intended, protecting both performance and longevity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you want your MPI engine to stay healthy — and avoid costly troubleshooting — OEM is the only smart choice.\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 regulator fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits a wide range of MerCruiser MPI engines from 4.3L to 8.1L, including performance variants.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it better than aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Its pressure control is more stable, and the construction handles marine heat and vibration far better.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it’s the right replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your service manual. If it lists part number 861126A1, this is your match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in freshwater and saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — it’s engineered for both environments.\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 For most boaters familiar with MPI systems, yes. It mounts directly to the fuel cooler.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935796744483,"sku":"861126A1","price":172.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/861126a1.jpg?v=1761578185","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-fuel-pressure-regulator-see-below-for-application-861126a1","provider":"PartsVu","version":"1.0","type":"link"}