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      Mercury Outboard Cooling System Product Listings

      • Mercury - Mercruiser 32-8M0071007 Hose
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        $45.99
        $40.49

        Mercury - Mercruiser 32-8M0071007 Hose Genuine OEM Mercury-Mercruiser part. Application: 3.0L TKS Plus - {1G700000 THRU 1G799999] Special Order Item: This product is ordered specifically for your...

      • Mercury - Mercruiser 14586A7 Thermo/Poppet Kit
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        $58.49
        $51.49

        Mercury - Mercruiser 14586A7 Thermo/Poppet Kit Genuine OEM Mercury-Mercruiser part. Includes 130 degree thermostat, gaskets, and poppet value Fits Mercury/Mariner 30/40 hp. (2 cyl.) 2 cycle...

      • Mercury - Mercruiser 47-F521065-1 Impeller
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        $118.99
        $103.49

        Mercury - Mercruiser 47-F521065-1 Impeller Genuine OEM Mercury-Mercruiser part. Application: 5 H.P. (1998) - [0E288000 Through 0E344999] 5 H.P. - [225-597500 & Up] Special Order Mercury Marine...

      • CLEARANCE
        Mercury-Mercruiser 8M0139434 Thermostat 125°
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        $35.99
        $29.99

        Mercury-Mercruiser 8M0139434 Thermostat 125° Genuine OEM Mercury-Mercruiser part. Application: 15HP EFI Four Stroke 0R833820 and Above 20HP EFI Four Stroke 0R833820 and Above   Special Order...

      • Sierra 18-3425 Water Pump Kit
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        $120.49
        $86.69

        Sierra 18-3425 Water Pump Kit Contains: (2) 18-0256 Bolt (1) 18-0292 Wear Plate to Pump Housing Gasket (1) 18-0294 Wear Plate to Pump Base Gasket (1) 18-3069 Impeller (1) 18-3435 Insert...

      • Mercury 803748K02 Impeller Kit
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        $100.19
        $83.49

        Mercury - Mercruiser 47-803748K02 Impeller Kit Genuine OEM Mercury-Mercruiser part. Application:  9.9 HP Carb (209cc) - [0R042475 & Up] 8 HP Carb (209cc) - [0P325500 & Up] 8 HP Carb (209cc) -...

      • Sierra 18-2007 Oil Seal Replaces 26-94038
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        $16.99
        $12.19

        Sierra 18-2007 Oil Seal Sierra high quality aftermarket parts are manufactured to meet or exceed OEM requirements. O.D.: 1.500" Shaft Size: 1.000" Width: 0.312" Interchangeable...

      • Sierra 18-3640 Mercury Thermostat
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        $29.29
        $24.59

        Sierra 18-3640 Mercury Thermostat - Replaces 8M0168892 Sierra replacement thermostat for Mercury Marine Outboards. Fits: Mercury 40-60HP (1C050252 & Up) Interchangeable with: Mercury...

      • Sierra Water Pump Repair Kit 18-3688
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        $160.49
        $123.59

        Sierra Water Pump Repair Kit 18-3688 Application: Mercury 75-115HP serial 1B366823-2B094995 Interchangeable with: Mercury Marine 8M0113799 Kit Includes:

      • Mercury 8M4502052 Lower Water Pump Base Gasket
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        $7.99
        $4.99

        Mercury 8M4502052 Lower Water Pump Base Gasket Genuine OEM engine part. This part is designed for use with Mercury lower water pumps. Special OrderSpecial Order Item: This product is ordered...

      • Mercury - Mercruiser 8M0153706 Water Pump Pulley
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        $64.79
        $53.99

        Mercury - Mercruiser 8M0153706 Water Pump Pulley Genuine OEM Mercury-Mercruiser part. Fits: 4.3L Alpha 4V EST - [1G417302 THRU 1G499999] Special Order Item.Special Order Quicksilver...

      • Sierra 18-2919 Water Pump Gasket
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        $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

      • Sierra 18-3406 Mercury Upper Water Pump Repair Kit
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        $111.49
        $80.29

        Sierra 18-3406 Mercury Upper Water Pump Repair Kit Sierra replacement upper water pump kit for Mercury Marine engines. Interchangeable with: Mercury Marine 46-8M0077246 817275A08 Kit...

      • Mercury - Mercruiser 30-72961 Water Pump Ball Bearing
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        $23.99
        $20.99

        Mercury-MerCruiser 30-72961 Water Pump Ball Bearing The Mercury-MerCruiser 30-72961 Water Pump Ball Bearing is a genuine OEM replacement bearing for select Mercury and MerCruiser engine applications...

      • Mercury 8M0200136 4.6L/5.7L Verado Impeller Repair Kit Image
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        $139.79
        $116.49

        Mercury 4.6L/5.7L Verado Impeller Repair Kit 8M0200136 This OEM impeller repair kit is for use with 4.6L/5.7L or V8/V10 Mercury Verado outboard cooling systems. Application Info: Fits all V10...

      • 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 18-2565 Impeller Gasket
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        $1.49
        $0.95

        Sierra 18-2565 Impeller Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For use with Chrysler/Force/US Marine engines, Honda Outboards, and Mercury Marine engines...

      • Mercury - Mercruiser 47-99971M Impeller
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        $82.99
        $72.99

        Mercury - Mercruiser 47-99971M Impeller Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse requires...

      • Mercury 46-77177A-1 Water Pump Base Assembly
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        $54.49
        $47.99

        Mercury 46-77177A-1 Water Pump Base Assembly Genuine OEM Mercury - Mercruiser part. Mercury outboard water pump base assembly.

      Mercury OEM Engine Parts Finder

      Mercury Outboard Cooling System

      Your Mercury outboard cooling system requires routine maintenance to perform optimally. Ignore this task, and you could find yourself literally stranded out at sea if your outboard overheats. Inconvenience and a possible expensive repair can be avoided by having your marine technician service your outboard on a regular schedule. It is not costly to keep your Mercury cooling system in top shape if you shop at Wholesale Marine. We carry both OEM Mercury outboard cooling system parts and quality aftermarket parts from Sierra.

      Whatever part your outboard cooling system requires, Wholesale Marine will not only have it in stock but at competitive prices. We ship daily, so your parts will be at your door before you know it. We have kits for water pump repairs, thermostats, water pumps, impellers, gaskets, hoses, seals, poppet valve kits, water pump housing, impeller keys, and more, We maintain a comprehensive array of parts in our inventory so you will not have to wait to take your boat back out on the water.

      Wholesale Marine stocks a huge selection of boat parts, including parts for your Mercury outboard cooling system, that are in stock and ready to ship. No matter what you need to keep your boat up and running, we have it. Our expertise, selection, and top-tier customer service team will make you a customer for life. Have a question about which Mercury cooling system part your outboard requires? You can look it up for yourself using our convenient and easy to use Parts Finder at the top of this page. Or, if you’d prefer, you can call us Monday through Friday from 8:30 AM to 4:30 PM EST. Make sure you inquire about our Wholesale Rewards Program for discounts every time you shop at Wholesale Marine.