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      Mercruiser Cooling System Product Listings

      • Sierra 18-0404 Intake Gasket Kit
        $106.99
        $83.49

        Sierra 18-0404 Intake Gasket Kit Sierra replacement intake gasket kit for use on Mercruiser engines: MCM/MIE 454 Mag MPI, 502 Mag MPI, 7.4L/LX MPI & 8.2L MPI (1993 & newer). Interchangeable with: Mercruiser Stern Drive 27-805403A1

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      • Mercruiser 32-90949T Exhaust Hose
        $87.49
        $76.99

        Mercruiser 32-90949T Exhaust Hose 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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      • Quicksilver OEM MerCruiser 2.5L/3.0L Exhaust Manifold
        $684.99
        $574.99

        Quicksilver OEM MerCruiser 2.5L/3.0L Exhaust Manifold 860235A04 This Quicksilver OEM MerCruiser part features a one piece design and is for use with MerCruiser 2.5L/3.0L engines Used With: Exhaust Elbow 12076A-2 Exhaust Manifold Mounting Gasket...

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      • EMP 46-00091 Mercury MerCruiser Impeller Service Kit
        $41.27
        $34.39

        EMP 46-00091 Mercury MerCruiser Impeller Service Kit This impeller service kit is intended for use on Mercury and MerCruiser engines and meets all OEM requirements. Impeller Service Kit Application: For 1999-2006 Mercury Mariner V6 135-225HP...

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      • Mercury - Mercruiser 807252T4 Thermostat Kit
        $64.19
        $53.49

        Mercury - Mercruiser 807252T4 Thermostat Kit 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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      • Quicksilver OEM MerCruiser 3.0L/LX 1990 & Newer Exhaust Manifold 860235A03
        $674.99
        $566.99

        Quicksilver OEM MerCruiser 3.0L/LX 1990 & Newer Exhaust Manifold 860235A03 This genuine OEM MerCruiser 3.0L exhaust manifold is for Marine power engine model E181S engines built from 1990 to the present. Application Info: Fits MerCruiser 3.0L...

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      • Sierra 18-0667 Connector Cover Gasket
        $0.99
        $0.80

        Sierra 18-0667 Connector Cover Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercruiser Stern Drives. Interchangeable with: GLM 32160 Mercruiser Stern Drive 27-995061 27-99506

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      • CLEARANCE
        Sierra 18-4257 Pipe Plug
        $2.49
        $1.99

        Sierra 18-4257 Pipe Plug Sierra high-quality replacement pipe plug for use.  Material: Black Steel Thread Size: 1/4" Note: Pipe sealant with Teflon is recommended for use on plug threads. Use with: 56507 Loctite Pipe Sealant (PST 6ml w/...

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      • Mercury - Mercruiser 10-96411 Water Pump Body Screw
        $1.49

        Mercury - Mercruiser 10-96411 Water Pump Body Screw #14-8 x 2 1/4" For mounting water pump bodySpecial Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine...

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      • Sierra 18-2919 Water Pump Gasket
        $0.96
        $0.94

        Sierra 18-2919 Water Pump Gasket Interchangeable with: GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311

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      • CLEARANCE
        Sierra 18-3567 Rubber Valve
        $0.85
        $0.57

        Sierra 18-3567 Rubber Valve (V6 Crossflow) Sierra replacement rubber valve for Johnson/Evinrude V6 Crossflow. Sierra replacement engine parts are manufactured to meet or exceed OEM requirements. Interchangeable with: GLM 46140 Johnson/Evinrude...

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      • Jabsco 17954-0001-P Impeller replaces Mercruiser 47-59362
        $78.99
        $55.99

        Jabsco 17954-0001-P Impeller replaces Mercruiser 47-59362 This Jabsco impeller is constructed from durable neoprene for a long working life. This water pump impeller comes with lubricant, a gasket and instructions for easy installation. This impeller is...

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      • Mercruiser 15995 Water Temperature Sender
        $90.99
        $79.99

        Mercruiser 15995 Water Temperature Sender Genuine OEM Mercruiser part. Used for temperature gauge. Fits: MCM 3.7L engines .Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please...

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      • Quicksilver 1985-2002 MerCruiser 4.3L GM Exhaust Manifold Kit
        $1,484.76
        $1,265.60

        Quicksilver 1985-2002 MerCruiser 4.3L GM Exhaust Manifold Kit Boat exhaust manifolds are an important part of your boat and maintaining, repairing, or replacing these parts is important to keep your boat running smoothly and avoid additional costly...

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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!