Mercury Outboard Cooling System

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Parts Selection Guide

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Prop Selection Guide

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      • Sierra 18-3074 Impeller
        $29.99
        $20.99

        Sierra 18-3074 Impeller Interchangeable with: GLM 89880 Mallory 9-45605 Mercury Marine 47-84027M 47-84027T 47-96619M Yamaha Outboard 682-44352-01-00 682-44352-03-00 682-44352-00-00 682-44352-40-00

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      • Sierra 18-3148 Water Pump Kit
        $52.49
        $36.99

        Sierra 18-3148 Water Pump Kit for Mercury, Yamaha Sierra high-quality water pump kits are designed to meet OEM specifications. Kit Contains: (2) 18-0768 Wear Plate Gasket (1) 18-3074 Impeller (1) 18-3305 Impeller Key (4) 18-2607...

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      • Sierra 18-0835 Thermostat Gasket
        $5.99
        $4.49

        Sierra 18-0835 Thermostat Gasket Sierra thermostat gasket for Mercury and Yamaha Outboards. Fits: Mercury 9.9-60HP 4 stroke Replaces: Mercury Marine 27-824853 Mercury Marine 27-8248531 Mercury Marine 27-8M0177107 Yamaha...

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      • Sierra 18-3322 Water Pump Kit Replaces 46-77516A3
        $108.99
        $75.99

        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
        $22.49
        $15.99

        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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      • Mercury - Mercruiser 8M0208905 Water Pump Repair Kit
        $92.39
        $76.99

        Mercury - Mercruiser 8M0208905 Water Pump Repair Kit Genuine OEM Mercury-Mercruiser part. Water pump repair kit for Mercury F25/30 EFI FourStroke outboards. Fits: 25 HP Carb SeaPro - s/n 0R051710 & up 25 HP EFI 3 Cyl - s/n 0R106999 tjhru...

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      • Sierra 18-0345 Water Pump Gasket
        $6.99
        $4.99

        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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      • Mercury - Mercruiser 8M0078858 Water Pump Kit
        $232.19
        $193.49

        Mercury - Mercruiser 8M0078858 Water Pump Kit Genuine OEM Mercury-Mercruiser part. Complete water pump repair kit for Mercury Verado outboards. Kit Includes: water impeller, upper and lower housings, face plate, gaskets, drive key, face seal and water...

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      • Mercury - Mercruiser 803061T-1 Thermostat Kit
        $33.49
        $28.99

        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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      • Mercury 47-8M0137220 Impeller Kit
        $98.49
        $85.99

        Mercury 47-8M0137220 Impeller Kit Genuine OEM replacement Mercury 47-8M0137220 Impeller Kit. Includes O-ring, heavy-duty impeller, and inner wear plate. Fits: Mercury 4.5L (s/n 2A531162 and below) Mercury 6.2L MCM models (s/n 2A531196 and...

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      • Sierra 18-3116 Water Pump Housing Replaces 46-96148T1
        $48.49
        $33.99

        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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      • Mercury - Mercruiser 8M0204712 Impeller
        $38.39
        $31.99

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

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      • Quicksilver 47-8M0214912  Water Pump Impeller
        $33.59
        $27.99

        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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      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.