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      Product Listing

      • Mercury - Mercruiser 47-19453T Impeller-W-P
        $57.59
        $47.99

        Mercury - Mercruiser 47-19453T Impeller-W-P A genuine OEM impeller designed for reliable cooling and performance in Mercury and Force outboards. Ensures optimal water flow for engine protection and enhanced durability.  

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      • Quicksilver 46-8M0113799 Water Pump Repair Kit Thumbnail image
        $224.39
        $186.99

        Quicksilver 46-8M0113799 Water Pump Repair Kit Genuine OEM kit for Mercury/Mariner 30–125 HP (2‑ and 4‑stroke) and Force 75–120 HP outboards. Includes all parts needed to fully rebuild the water pump assembly. Features Complete OEM water...

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      • Quicksilver 8M0208905 Mercury Water Pump Repair Kit
        $95.99
        $79.99

        Quicksilver 8M0208905 Mercury Water Pump Repair Kit Water pump repair kit 8M0208905 is for Mercury or Mariner 25-30hp 4-stroke outboards. The kit includes water impeller, pump housing, face plate, gaskets, seals and o-rings. See your owner's manual or...

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      • Sierra 18-3073 Impeller Replaces 47-96305M
        $22.49
        $16.49

        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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      • Sierra 18-0345 Water Pump Gasket
        $7.49
        $5.99

        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 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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      • Mercury - Mercruiser 803061T-1 Thermostat Kit
        $34.99
        $30.49

        Mercury - Mercruiser 803061T-1 Thermostat Kit Includes 120 degree thermostat, thermostat gasket, washer and cover gasket Fits various Mercury/Mariner 70-125 hp. 2 cycle outboards (1987 and Newer) See application chart for specific engine models.

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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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      • Sierra 18-3448 Water Pump Kit
        $142.99
        $102.99

        Sierra 18-3448 Mercury 20HP 1967-1980 Water Pump Kit Features: Special Order est. 10 Days For: 20 Hp 1967-80 Interchangeable With: Mercury Marine 46-48744A3 Kit Includes: Water Pump Gasket NSS Water Pump Housing NSS Water Pump Base...

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      • Sierra 18-3116 Water Pump Housing Replaces 46-96148T1
        $50.99
        $36.99

        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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      • 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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      • 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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      • 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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      • 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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      • Sierra 18-3012 Water Pump Impeller Replaces 47-22748
        $31.49
        $22.49

        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 46-46501 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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      • Sierra 18-3323 Water Pump Kit
        $114.99
        $82.49

        Sierra Water Pump Kit Special Order Item est. 10 Days For Use on Mercury/Mariner Outboard Engines Replaces:  46-73640A2 Kit Contains: Impeller - #18-3007 (O.E. #47-89983) Upper Pump Housing - #18-3118 (O.E. #46-46-77822A1) Water Pump Base - #18-3423...

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      • Sierra 18-3605 Thermostat Kit
        $113.49
        $81.99

        Sierra 18-3605 Mercury Thermostat Kit This Mercury Thermostat kit is designed for use on 225/250 HP EFI G129222-0T408999 For Use on Mercury/Mariner Outboard Engines Fits:  V-135 DFI (2.5L)(1998 & Up), V-150 DFI (2.5L)(1998 & Up), V-175...

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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.