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      • Mercury - Mercruiser 47-89983T Impeller
        $28.19
        $23.49

        Quicksilver 47-89983T Impeller A genuine Mercury Marine OEM water pump impeller designed for 2-stroke Mercury and Mariner outboards ranging from 30 HP to 70 HP, ideal for ensuring reliable engine cooling and durability. Features Fits 30–70 HP...

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      • Sierra 18-3098 Impeller Replaces 47-161543
        $25.99
        $17.99

        Sierra 18-3098 Mercury Outboard Water Pump Impeller Sierra high-quality replacement water pump impeller for Mercury Marine engines. Fits Mercury/Mariner shiftable 3.3hp 1993 & up, 4/5hp 2-cycle 1987 & up, 4/5/6hp 4-stroke 1999 &...

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      • Mercury 47-8M0205803 Water Pump Repair Kit Thumbnail Image
        $71.39
        $59.49

        Quicksilver 8M0205803 Water Pump Repair Kit Genuine OEM Mercury-Mercruiser part. Quicksilver 8M0205803 Water Pump Repair Kit is made for Mercury 175–300HP, 450R, and 4.6L V8 4-stroke outboards with serial numbers 2B529482 and above. This...

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      • Mercury - Mercruiser 27-802699002 Gasket
        $11.39
        $9.49

        Mercury - Mercruiser 27-802699002 Gasket Genuine OEM Mercury-Mercruiser part. Fits: 8 HP Carb (209cc) - [0R042475 & Up] 8 HP Carb (209cc) - [0P325500 & Up] 9.9 HP Carb (209cc) - [0R042475 & Up] 9.9 HP Carb (209cc) - [0R042475 &...

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      • Quicksilver 47-89983Q-1 Water Pump Repair Kit Thumbnail Image
        $60.59
        $50.49

        Quicksilver 47-89983Q-1 Water Pump Repair Kit This water pump repair kits fits 30-70hp Mercury and Mariner outboards and specific Jet drive outboards. Nine-piece water pump repair kit Kit contains gaskets, o-rings, face plate, drive key, impeller...

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      • Mercury - Mercruiser 71-8M0157742 Water Pressure Sensor
        $215.39
        $179.49

        Quicksilver 71-8M0157742 Water Pressure Sensor Genuine OEM water pressure sensor kit is designed for select MerCruiser sterndrive, inboard engines, and Mercury 2-stroke outboards, providing accurate water pressure monitoring to protect your engine...

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      • Sierra 18-3322 Water Pump Kit Replaces 46-77516A3
        $114.99
        $80.49

        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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      • 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 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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      • 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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      • Sierra 18-0345 Water Pump Gasket
        $6.99
        $5.49

        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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      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.