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Parts Selection Guide

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      Mercury Outboard Cooling System

      • Sierra 18-3570 Water Pump Kit
        $89.99
        $62.99

        Sierra 18-3570 Water Pump Kit for Mercury Outboards Sierra engine parts are engineered to meet today's high horsepower engine demands and stand up to the harsh marine environment. All Sierra products meet or exceed the original part it replaces. This...

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      • Water Pump Repair Kit, Mercury - Mercruiser 47-8M0100527
        $65.99
        $54.99

        Mercury - Mercruiser 47-8M0100527 Water Pump Repair Kit Fits: 40/45/50/60 Fourstroke BigFoot 60 (3cyl) Bigfoot 75 - 125 (all 3 & 4 cylinder 0A996142 & above) 75, 90, 115 Fourstroke V-200/225/250 (3.0L) Mercruiser Alpha One Gen II...

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      • Sierra 18-3316 Water Pump Kit Replaces 46-96148A8
        $69.99
        $48.99

        Inboard/Outboard Water Pump Kit Fits Mercury/Mariner 65 hp (4 cylinder) through V-6 outboards with short-vane impellers and fits Mercruiser I/R/MR/Alpha drives (s/n 2495186 - 0D469858) Kit Contains: Water Tube Guide #18-3109, O.E. #23-29804, qty. 1 ...

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      • Mercury-Mercruiser 46-96148Q-8 Water Pump Kit
        $68.39
        $56.99

        Mercury-Mercruiser 46-96148Q-8 Water Pump Kit - No Base OEM Mercury-Mercruiser Quicksilver water pump upper repair kit. Fits Mercury/Mariner 65 HP (4-cylinder) through V-6 outboards with short-vane impellers Fits Mercruiser I/R/MR/Alpha drives (s/n...

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      • Sierra 18-3507 Water Pump Kit Replaces 46-60366Q1
        $69.49
        $48.99

        Water Pump Kit for Mercury by Sierra Kit Includes: Sie-18-3007 Impeller Sie-18-3118 Upper Pump Housing Sie-18-2945 Drain Gasket Sie-18-2823 Lower Water Pump Base To Face Plate Gasket Sie-18-2824 Upper Face Plate To Body Gasket Sie-18-2825 Water Pump...

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      • Sierra 18-3314 Water Pump Kit
        $82.49
        $57.99

        Sierra 18-3314 Mercury Water Pump Kit Sierra engine parts are designed to meet OEM specifications. For use on Mercury Marine engines. Kit Includes: (1) 18-2801 Water Pump Gasket (1) 18-2826 Water Pump Base Gasket (1) 18-2914 Water Pump Gasket (1)...

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      • Mercury - Mercruiser 32-825191A03 Rigging Hose Kit
        $68.49
        $59.49

        Mercury - Mercruiser 32-825191A03 Hose Kit-Rigging Genuine OEM Mercury-Mercruiser part. This rigging tube contains a 5' length of (2" x 2.3 threads per inch) tube that screws into the fitting coming out of the engine. Designed for use in 2005 to...

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      • Sierra 18-3427 Water Pump Kit Replaces 47-95611M
        $77.99
        $54.99

        Sierra 18-3427 Water Pump Kit w/Housing for Yamaha, Mercury Outboards Sierra high-quality engine parts are designed to meet OEM specifcations. Includes housing. Kit Includes: 18-0773 Wear Plate Gasket 18-3067 Impeller 18-3244 Impeller Key 18-2730...

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      • Mercury 8M0137849 Water Pump Kit
        $58.49
        $50.99

        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...

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      • Sierra 18-3633 Mercury Thermostat
        $78.99
        $63.99

        Sierra 18-3633 Mercury Thermostat - Replaces 8M0090819 Sierra replacement thermostat for Mercury Outboards. Fits: 75-115HP, 115 Pro XS (2B094996 & UP) Interchangeable with: Mercury Marine 8M0090819

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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 Loyalty program for discounts every time you shop at Wholesale Marine.