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      Mercruiser Cooling System Product Listings

      • 2352mm Belt-Pulley Kit, Mercury - Mercruiser 57-861759A-1
        $202.49
        $167.99

        2352mm Belt-Pulley Kit, Mercury - Mercruiser 57-861759A-1Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder &...

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      • EMP 47-03908 MerCruiser Impeller
        $28.32
        $23.60

        EMP 47-03908 MerCruiser Impeller This impeller is intended for use on MerCruiser engines and meets all OEM requirements. Specification: ID: 13mm OD: 58.8mm W: 50.6mm 8 Blades Single Flat Drive Hub Impeller Application: For 1997-2010...

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      • Bellows Assy Od, Mercury - Mercruiser 70981A-3
        $51.99
        $45.99

        Mercruiser 70981A3 Bellows Assembly Genuine OEM Mercury - Mercruiser part.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts...

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      • Mercury - Mercruiser 32-807458T Exhaust Tube
        $117.49
        $103.49

        Mercury - Mercruiser 32-807458T Exhaust Tube Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 47-816814T Impeller
        $139.99
        $122.99

        Mercury - Mercruiser 47-816814T Impeller Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 47-896332063 Impeller
        $284.49
        $250.49

        Mercury - Mercruiser 47-896332063 Impeller Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercruiser 864306A3 Riser Kit
        $1,016.99
        $854.49

        Mercruiser 864306A3 Riser Kit Genuine OEM Mercury-Mercruiser part. Replacement riser kit for Mercruiser sterndrives. Fits: 2002 MCM V‑8 (305, 350 & 377 cid) non‑EC engines (s/n 0M600000‑0M614999) 3 in. (76 mm) for standard cooling and dry...

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      • Quicksilver 865615Q02 serpentine belt 2285mm for MerCruiser 8.1S and 496 Magnum engines marine engine belt image
        $93.59
        $77.99

        Quicksilver 865615Q02 Serpentine Belt 2,285mm - MerCruiser 8.1S & 496 Magnum Engines Serpentine belt 865615Q02 is 2,285mm long to fit MerCruiser 8.1S engines (2001-2004 with serial No. 0M025000-0W389999) and MerCruiser 496 Magnum engines (2001-2005...

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      • Mercury - Mercruiser 75692Q03 Thermostat
        $30.59
        $25.49

        Mercury - Mercruiser 75692Q03 Thermostat  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • 2649 mm Belt-Pulley Kit, Mercury - Mercruiser 57-861049A-2
        $144.49
        $126.99

        Mercury - Mercruiser 8M0150823 Pulley Belt Kit - 2649 mm Supersedes: 27-861049A-2   Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with...

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      • Sierra 18-0354 Carb Mounting Gasket
        $10.49
        $7.99

        Sierra 18-0354 Carburetor Mounting Gasket Sierra replacement carburetor mounting gasket for Mercruiser Stern Drives. For 888 (2BL) Ford 302 V-8 (1971-1977) Interchangeable with: GLM 30580 Mallory 9-61006 Mercruiser Stern...

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      • CLEARANCE
        Sierra 18-2947 Thermostat Gasket
        $1.49
        $0.90

        Sierra 18-2947 Cork Thermostat Gasket for OMC Stern Drives Sierra high-quality engine parts are designed to meet OEM specifications. For OMC Stern Drives. Interchangeable with: GLM 33840 Mallory 9-60017 OMC Stern Drive 310913

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      • Mercury - Mercruiser 47-853126 Impeller
        $138.99
        $122.49

        Mercury - Mercruiser 47-853126 Impeller Genuine OEM Mercury-Mercruiser part. Application: D7.3L D-TRONIC 260 LD - 1999 [ 0L050050 & Up] D7.3L D-TRONIC - 1998 [0K095775 & Up] D7.3L D-TRONIC 300 - 1999 [0L050050 & Up] Special Order Item: This...

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      • Mercury - Mercruiser 47-879194186 Impeller Kit
        $104.99
        $92.49

        Mercury - Mercruiser 47-879194186 Impeller Kit Genuine OEM Mercury-Mercruiser part. Application: Inboard and TowSports - CMD QSD 4.2 EI 320 - [88405000 Through 88416999] Inboard and TowSports - CMD QSD 4.2 EI 350 - [88416000 Through 88416999] Sterndrive...

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      • Mercury - Mercruiser 47-891801 Impeller Kit
        $145.99
        $128.99

        Mercury - Mercruiser 47-891801 Impeller Kit Genuine OEM Mercury-Mercruiser part. Application:  Inboard and TowSports - CMD 1.7 MI 120 I/L4 - [88109041 & Up] Sterndrive - CMD 1.7 MS 120 I/L4 - [8810800 & Up] Special Order Item: This...

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      • Mercury - Mercruiser 861188A1 Hsg Asy-Thermosta
        $267.49
        $234.99

        Mercury - Mercruiser 861188A1 Hsg Asy-Thermosta Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using...

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      Mercruiser OEM Engine Parts Finder

      MerCruiser Cooling Systems

      The cooling system of your MerCruiser engine keeps it from overheating and ensures that it’s operating at its best. It’s important to keep the entire cooling system updated and maintained, since its health is at the forefront of your engine’s overall performance. If you need parts for your MerCruiser cooling system, simply call Wholesale Marine. We will always have just what you need.

      Keep it Cool with MerCruiser Cooling Systems

      A boat’s engine, such as your MerCruiser sterndrive or inboard engine, is a delicate piece of machinery full of moving parts that each need special attention. In times past, a boat's engine was simply cooled by pulling raw water straight out of the source the vessel was floating in, running that through the engine, and out the other end. This left an engine with several issues, such as saltwater corrosion, large debris, and lack of efficiency. Further still, this sort of cooling system once upon a time only ran at 145 to 150 degrees, as regulated by a thermostat, to avoid saltwater crystallization. This is an issue due to a number of reasons, one of which was the amount of build-up that would occur at such cool temperatures.

      Today, we have engines full of checks and balances to get our MerCruiser sterndrive or inboard at max power without overheating. And Wholesale Marine has everything you need to run preventative maintenance on your vessel and to upgrade your older parts. Water pumps, impellers, thermostats, gaskets, circulation pumps, shutter and exhaust tubes, exhaust manifolds, hoses, belts, and more are all here to fit MerCruiser cooling systems. Ready to get started? Check out our easy-to-use Parts Selection tool to quickly get you exactly what you are searching for. We stock OEM and aftermarket Mercury outboard parts and Mercury sterndrive parts for less!

      For keeping that sterndrive, inboard, or tow sport engine cool come rain or shine, you can depend on Wholesale Marine to provide high quality Mercury outboard parts and Mercury sterndrive parts from the top brands in the industry. Our same day shipping, free shipping on orders over $99, and price match guarantees give you quality parts in a timely and economical manner. Review our selection today and give us a call with your questions at (877) 388-2628. Be sure to ask about our Captain’s Club Rewards Program for additional discounts on everything you need to keep your boat in top shape for your next adventure!