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      Mercury Outboard Cooling System Product Listings

      • Sierra 18-3322 Water Pump Kit Replaces 46-77516A3
        $113.69
        $81.79

        Sierra 18-3322 Water Pump Kit for Mercury Marine Sierra high-quality engine parts are designed to meet OEM specifications. Fits various Mercury 35/40/50/65 HP outboard engines prior to 1976  Interchangeable...

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      • Sierra 18-3073 Impeller Replaces 47-96305M
        $23.29
        $16.79

        Sierra 18-3073 Impeller Sierra replacement impeller for Mercury Marine, and Yamaha Outboards. Use with: 18-48619 Water Pump Kit, Complete Interchangeable with: GLM 89860 Mallory 9-45611 Mercury Marine 47-96305M Yamaha...

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      • Quicksilver 8M0078858 Water Pump Kit label
        $241.79
        $201.49

        Quicksilver 8M0078858 Water Pump Kit Genuine OEM Mercury-Mercruiser part. Complete water pump repair kit for Mercury Verado outboards.Water pump repair kit 8M0078858 fits 200-300hp Verado (6-cylinder) 4-stroke outboards. The kit includes water impeller,...

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      • Quicksilver 47-8M0137220 Impeller Kit Thumbnail Image
        $102.49
        $89.99

        Quicksilver 47-8M0137220 Impeller Kit Quicksilver Genuine OEM replacement Mercury 47-8M0137220 Impeller Kit. Includes O-ring, heavy-duty impeller, and inner wear plate. Product Features Four-piece water pump impeller repair kit Kit contains...

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      • EMP 47-01814 Mercury Mariner Impeller
        $24.96
        $20.80

        EMP 47-01814 Mercury Mariner Impeller This impeller is intended for use on Mercury Mariner, Honda, and Force engines and meets all OEM requirements. Specification: ID: 22.4mm OD: 89mm W: 32.5mm 6 Blades Uses Key 28-32833 Impeller...

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      • Quicksilver 8M0162139 Thermostat Assembly Image
        $139.19
        $115.99

        Quicksilver 8M0162139 Thermostat Assembly Thermostat 8M0162139 is for 175-300hp and 450R 3.4L V6 and 4.6L V8 4-stroke outboards (serial No. 2B529482 & above). It is a 140°F thermostat. Thermostat only. Additional seals or gaskets may be required...

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      • Sierra 18-0345 Water Pump Gasket
        $7.49
        $5.89

        Sierra 18-0345 Water Pump Gasket Sierra replacement water pump gasket for Mercury Marine, Chrysler/Force/US Marine engines. For Mercury 25-60 HP Outboards 2, 3 cyl & 4-Stroke models Interchangeable with: Chrysler/Force/US...

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      • Quicksilver 47-8M0214912  Water Pump Impeller
        $34.79
        $28.99

        Quicksilver 47-8M0214912 Water Pump Impeller Quicksilver replacement water pump impeller for Mercury Outboards. Designed to meet OEM specifications. Refer to your engine's user manual for installation instructions and replacement schedule...

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      • Quicksilver 8M0090819 Thermostat Assy Image
        $99.59
        $82.99

        Mercury - Mercruiser 8M0090819 Thermostat Assy The Quicksilver Thermostat Assembly 8M0090819 is designed for Mercury 75–115HP 2.1L EFI FourStroke outboards. This 120°F thermostat helps maintain proper engine operating temperature for reliable...

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      • Quicksilver 46-8M0113733 Water Pump Assy Thumbnail Image
        $158.99
        $139.99

        Quicksilver 46-8M0113733 Water Pump Assy. Quicksilver 8M0113733 water pump assembly fits MerCruiser 3.0L TKS Alpha engines Product Features Fits MerCruiser 3.oL TKS Alpha Plus, serial No. 1G700000-1G799999 See your owner's manual Easy to...

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      • Mercury - Mercruiser 8M0204712 Impeller
        $40.19
        $33.49

        Mercury - Mercruiser 8M0204712 Impeller Genuine OEM Mercury-Mercruiser part. Fits various 15 thru 25 hp outboards. Supersedes: 47-85089-10

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      • Sierra 18-3116 Water Pump Housing Replaces 46-96148T1
        $53.09
        $38.19

        Sierra 18-3116 Water Pump Housing for Mercury, Mercruiser Sierra high-quality replacement engine parts are designed to meet OEM specifications.  For use with 18-3109 Water Tube Guide and 18-3110 Water Pump Housing Brushing Interchangeable...

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      • EMP 46-46501 Mercury MerCruiser Water Pump Kit
        $82.56
        $68.80

        EMP 46-46501 Mercury MerCruiser Water Pump Kit This EMP replacement water pump kit is for use with Mercury and MerCruiser engines. This boat water pump kit comes with a rubber coated wear plate, stainless steel housing, impeller, and various hardware...

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      • Mercury 8M0137849 Water Pump Kit
        $60.99
        $53.49

        Mercury 8M0137849 Water Pump Kit - Chrome Genuine OEM Mercury-Mercruiser part. The heavy duty face plate and housing are designed to improve life in highly abrasive water conditions. Applications: 15/20 HP EFI 4 Stroke 0R8338250 and Above Special Order...

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      • Sierra 18-3012 Water Pump Impeller Replaces 47-22748
        $32.39
        $23.29

        Sierra 18-3012 Mercury Water Pump Impeller Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 89600 Mallory 9-45308 Mercury Marine 47-22748 Application: Mercury Marine Model:...

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      • EMP 46-00090 Mercury MerCruiser Water Pump Kit with Housing
        $55.68
        $46.40

        EMP 46-00090 Mercury MerCruiser Water Pump Kit with Housing This EMP replacement water pump kit is for use with Mercury and MerCruiser engines. Water Pump Application Information: For MerCruiser MC1 & R/MR/Alpha One engines For Mercury Mariner V6...

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      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 Captain’s Club Rewards Program for discounts every time you shop at Wholesale Marine.