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      Mercruiser Cooling System Product Listings

      • Sierra 18-0360 Carb Mounting Gasket
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        $5.89
        $4.99

        Sierra 18-0360 Carb Mounting Gasket Sierra replacement carburetor mounting gasket for use on Mercruiser Engines. For: 888 (2BBL) Ford 302 V-8 (1971-1977) For: 233 MIE For 351 V-8...

      • Sierra 18-0929-9 Thermostat Gasket (Priced Per Pkg Of 2)
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        $2.79
        $2.19

        Sierra 18-0929-9 Thermostat Gasket (Priced Per Pkg Of 2) For use on Johnson/Evinrude Outboard 3 cyl. engines, OMC Sterndrive/Cobra I/O engines, & Volvo Penta I/O 3.L GS, GL Special Order est. 10...

      • Mercury - Mercruiser 75692Q03 Thermostat
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        $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...

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

      • Quicksilver 47-803748Q02 Impeller Kit
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        $91.79
        $76.49

        Quicksilver 47-803748Q02 Impeller Kit Genuine OEM Mercury-Mercruiser part. Replaces 47-803748Q01 Special Order Item - Minimum Order Quantity 2.Special Order Quicksilver Information: Additional...

      • Quicksilver 57-865615Q09 Serpentine Belt
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        $85.79
        $71.49

        Quicksilver 57-865615Q09 Serpentine Belt Genuine OEM Mercury-Mercruiser part. Replacement serpentine belt for Mercruiser sterndrives. Application: 1999‑2001 MCM V‑6 & V‑8 (305 & 350 cid) Alpha...

      • Sierra 18-0147 Water Pump Gasket
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        $2.79
        $2.19

        Sierra 18-0147 Water Pump Gasket Sierra replacement water pump gasket for Ford V8 engines. For: Ford V8 Interchangeable with: Chrysler/Force/US Marine F724160 GLM 31900 Mercruiser...

      • Sierra 18-0354 Carb Mounting Gasket
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        $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...

      • CLEARANCE
        Sierra 18-2947 Thermostat Gasket
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        $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...

      • Sierra 18-4227 Drain Elbow
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        $9.89
        $8.39

        Sierra 18-4227 Drain Elbow Sierra replacement drain elbow for Mercruiser Stern Drives. Interchangeable with: GLM 13991 Mallory 9-41202 Mercruiser Stern...

      • Mercury - Mercruiser 47-853126 Impeller
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        $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 -...

      • Mercury - Mercruiser 47-879194186 Impeller Kit
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        $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...

      • Mercury - Mercruiser 47-891801 Impeller Kit
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        $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 -...

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

        Mercury - Mercruiser 861188A1 Hsg Asy-Thermosta Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse...

      • Mercury - Mercruiser 8M0056956 Impeller
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        $315.99
        $277.99

        Mercury - Mercruiser 8M0056956 Impeller Genuine OEM Mercury-Mercruiser part. Application: CMD QSD 4.2 ES 350 - [88417000 Through 88419999] CMD QSD 4.2 EI 320 - [88405000 Through 88416999] CMD QSD 4...

      • Mercury - Mercruiser 8M0106368 Impeller
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        $89.99
        $79.49

        Mercury - Mercruiser 8M0106368 Impeller Genuine OEM Mercury-Mercruiser part. Application: Sterndrive - 6.7L 135 NA - [ALL & Up] Inboard and TowSports - 6.7L 135 NA - [ALL & Up] Sterndrive - 6.7L 150...

      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 Wholesale Rewards Program for additional discounts on everything you need to keep your boat in top shape for your next adventure!