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      Mercruiser Cooling System Product Listings

      • Mercury - Mercruiser 46-821351A-3 Water Pump Kit
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        $116.99
        $97.49

        Mercury - Mercruiser 46-821351A-3 Water Pump KitSpecial Order Quicksilver Information: Additional Handling Time: Item transfers from an alternate warehouse requires an additional 1–3 business days...

      • Mercury - Mercruiser 8M0108355 Hose 57in.
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        $53.99
        $44.99

        Mercury - Mercruiser 8M0108355 Hose 57in. Genuine OEM Mercury/Mercruiser part. Special Order Item.Special Order Quicksilver Information: Additional Handling Time: Item transfers from an alternate...

      • Sierra 18-15405 V-Belt Replaces 57-76269Q
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        $9.49
        $6.99

        V-belt for OMC, Volvo and Mercruiser Engines - Effective Length 40 1/2", Top Width 29/64" Replaces: Mercury 57-76269Q, 57-76269 Volvo 978515 OMC 0509307 Details: High strength synthetic cords...

      • Sierra 18-70927 Molded Hose
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        $34.49
        $27.99

        Molded Hose - Special Order est. 10 Days

      • Mercury - Mercruiser 47-59362A-4 Impeller Kit
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        $64.49
        $56.99

        Mercury - Mercruiser 47-59362A-4 Impeller Kit Genuine OEM Mercury-Mercruiser part. Application: 7.4L TBI MIE (LH) GEN. VI GM 454 V-8 - 1996-1997 [0F874815 Through 0K999999] 7.4L TBI MIE MPI (LH) GEN...

      • Mercury - Mercruiser 57-8M0175082 Serpentine Belt/Pulley Kit
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        $198.49
        $174.99

        Mercury - Mercruiser 57-8M0175082 Serpentine Belt/Pulley Kit Genuine OEM Mercury-Mercruiser part. Replacement serpentine belt for Mercruiser Sterndrives. Fits: 4.32L (GEN +) (2 BBL.) GM 262 V-6 -...

      • Quicksilver OEM MerCruiser 2.5L/3.0L Exhaust Elbow
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        $429.99
        $361.49

        Quicksilver OEM MerCruiser 2.5L/3.0L Exhaust Elbow 12076A2 This genuine OEM MerCruiser exhaust elbow is for use with 2.5L & 3.0L engine exhaust manifolds...

      • Sierra 18-3220 Water Tube
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        $6.79
        $5.99

        Sierra 18-3220 Mercruiser Water Tube Sierra replacement water tube for Mercruiser Stern Drives. For: #1 - R/MR/Alpha Interchangeable with: GLM 12202 Mallory 9-78140 Mercruiser...

      • Mercury - Mercruiser 32-8M0108349 Hose 70 In.
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        $64.99
        $56.99

        Mercury - Mercruiser 32-8M0108349 Hose 70 In. Genuine OEM Mercury-Mercruiser part.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please...

      • Mercury - Mercruiser 47-8M0067063 Impeller
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        $145.49
        $127.99

        Mercury - Mercruiser 47-8M0067063 Impeller Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse...

      • Sierra 18-4256 Pipe Plug
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        $2.79
        $2.39

        Sierra 18-4256 Pipe Plug 56507 Pipe Sealant with Teflon is recommended for use on 

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

        Mercury - Mercruiser 32-807458T Exhaust Tube Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse...

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

        Mercury - Mercruiser 47-816814T Impeller Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse requires...

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

        Mercury - Mercruiser 47-896332063 Impeller Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse...

      • Mercruiser 864306A3 Riser Kit
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        $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...

      • Quicksilver 2002 & Newer MerCruiser 5.0L/5.7L Dry Joint Exhaust Manifold Kit
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        $2,436.82
        $2,030.68

        Quicksilver 2002 & Newer MerCruiser 5.0L/5.7L Dry Joint Exhaust Manifold Kit Boat exhaust manifolds are an important part of your boat and maintaining, repairing, or replacing these parts is...

      • Quicksilver 8M0199680 Exhaust Bellows Tube Image
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        $83.99
        $69.99

        Quicksilver 8M0199680 Exhaust Bellows Tube Oval Shape - MerCruiser V6 & V8 Quicksilver 8M0199680 Exhaust Bellows Tube is engineered for MerCruiser V6 and V8 sterndrive engines. Its oval design...

      • Quicksilver OEM MerCruiser 5.0L/5.7L/7.4L/8.2L GM Sea Water Pump 807151A12
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        $692.49
        $581.49

        Quicksilver OEM MerCruiser 5.0L/5.7L/7.4L/8.2L GM Sea Water Pump 807151A12 This OEM sea water pump is designed for use with MerCruiser GM engines. Application Info: Fits MerCruiser 5.0L/5.7L/7.4L/8...

      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!