{"product_id":"mercury-pump-assembly-46-8m0116534","title":"Mercury – Circulating Pump | Cooling System Component | Precision Marine Build | 8M0116534","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Circulating Pump | Cooling System Component | Precision Marine Build | 8M0116534\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAnyone who runs a MerCruiser engine knows that a smooth-running cooling system is the heartbeat of a good boating day. When your engine temperature stays steady, everything else feels easier—whether you’re easing into a quiet cove or pushing across open water with friends onboard. The Mercury 8M0116534 Circulating Pump is one of those components you rarely think about until it reminds you how important it is. With this pump installed, you’ll feel that familiar confidence again: the kind that lets you enjoy the moment instead of watching your gauges every few minutes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to maintain proper coolant circulation for consistent, reliable engine temperature.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits 2014 and newer MerCruiser 4.5L MPI and 2015 and newer 6.2L MPI engines (Serial No. 2A456613 and up).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes pump, drain tube, bearing, seal, impeller, hub, cover, and plug.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSalt-spray tested for durability in harsh marine environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt with corrosion-resistant materials for long-term reliability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eManufactured to meet Mercury \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e original equipment specifications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with MerCruiser 4.5L and 6.2L MPI sterndrive engines.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for boats powered by modern Mercury inboard or sterndrive systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommonly found on sport boats, bowriders, family cruisers, wake and tow vessels, and mid-size runabouts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for owners who rely on dependable cooling performance during long days offshore or high-load watersports.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eP\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe difference a healthy circulating pump makes is something you can feel instantly. Your idle becomes smoother. Your powerband feels more responsive. And your temperature stays steady even on those long, hot afternoons when the engine is working the hardest.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eT\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehis pump \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to handle real-world marine abuse—constant vibration, saltwater exposure, and long stretches of high-RPM operation. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe included bearings and seals create a tight, secure assembly that resists wear, while the impeller \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emoves\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e coolant with the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekind of\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e steady, confident flow you expect from Mercury Marine parts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation is straightforward, especially if you’re familiar with routine service work. Once in place, the pump delivers reliable circulation that protects your engine’s internal components, reduces the risk of overheating, and helps you get the most life out of your investment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChoosing an OEM circulating pump isn’t about brand loyalty—it’s about knowing the part you install is the part your engine \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas engineered around\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. Mercury’s pumps \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to exact tolerances, tested in real marine environments, and designed to fit without modification. Aftermarket versions may look similar, but their internal components rarely match the longevity, precision, or corrosion resistance of a genuine Mercury Marine part.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you want the job done right the first time—and want the peace of mind that comes with it—OEM is the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmart\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e choice.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does the Mercury 8M0116534 Circulating Pump fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits 2014 and newer MerCruiser 4.5L MPI and 2015 and newer 6.2L MPI engines with serial numbers 2A456613 and higher.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this OEM pump better than aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Its materials, bearings, seals, and internal tolerances are \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eengineered specifically\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for MerCruiser engines, ensuring dependable cooling and long service life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the correct pump for my engine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine model and serial number with the compatibility range listed in your owner’s or service manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both freshwater and saltwater boats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. It is salt-spray tested and built for long-term corrosion resistance.\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. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMost boat owners \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecomfortable\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with basic mechanical work can install it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eusing\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecommon\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940108063011,"sku":"46-8M0116534","price":380.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0116534_Main.jpg?v=1760631357","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-pump-assembly-46-8m0116534","provider":"PartsVu","version":"1.0","type":"link"}