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      Mercury Outboard Thermostats & Gaskets Product Listings

      • Mercury 75692T2 Thermostat Kit Image
        $62.99
        $52.49

        Mercury 75692T2 Thermostat Kit  The Mercury 75692T2 Thermostat Kit includes the replacement components needed to regulate engine temperature for proper operation and efficiency while underway. This kit is designed for select Mercury and Mariner V-6...

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      • Sierra 18-43052 Thermostat Kit
        $55.99
        $40.49

        Sierra 18-43052 Mercury Thermostat Kit Sierra replacement thermostat kit for Mercury Outboards. Temperature Rating: 120°F Application Info: Fits Mercury 6-25 hp 2 cycle outboards Interchangeable with: Mallory 9-43052 Mercury...

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      • Sierra 18-3642 Mercury Thermostat Kit
        $62.99
        $52.49

        Sierra 18-3642 Mercury Thermostat Kit - Replaces 825212A1 Sierra replacement thermostat kit for Mercury Marine Outboards. Includes 18-0835 Thermostat Cover Gasket Interchangeable with: Mercury Marine 825212001 825212A1 855676A1

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      • Mercury - Mercruiser 14586A-6 Thermostat Kit
        $60.49
        $53.49

        Mercury - Mercruiser 14586A-6 Thermostat Kit Includes 120 degree thermostat, gaskets, and poppet value Fits various Mercury/Mariner 50/55/60 hp. 2 cycle outboards. See application chart for specific engine models.Special Order Item: This product is...

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      • Mercury - Mercruiser 14586A-3 Thermostat Kt-120
        $60.99
        $53.49

        Mercury - Mercruiser 14586A-3 Thermostat Kt-120 Includes 120 degree thermostat and gaskets Fits various Mercury/Mariner 6-25 hp. 2 cycle outboards. See applications chart for specific engine models.Special Order Item: This product is ordered...

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      • Mercury - Mercruiser 14586A7 Thermo/Poppet Kit
        $58.49
        $51.49

        Mercury - Mercruiser 14586A7 Thermo/Poppet Kit Genuine OEM Mercury-Mercruiser part. Includes 130 degree thermostat, gaskets, and poppet value Fits Mercury/Mariner 30/40 hp. (2 cyl.) 2 cycle outboards (USA 0G044027 and Newer, BEL 9855139 and Newer)...

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      • Mercury 8M4502052 Lower Water Pump Base Gasket
        $7.99
        $4.99

        Mercury 8M4502052 Lower Water Pump Base Gasket Genuine OEM engine part. This part is designed for use with Mercury lower water pumps. Special OrderSpecial Order Item: This product is ordered specifically for your application. To help ensure proper...

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      • Mercury - Mercruiser 14586A-4 Thermostat Kt-120
        $95.99
        $83.49

        Mercury - Mercruiser 14586A-4 Thermostat Kt-120 Includes 120 degree thermostat, gaskets, and poppet value Fits various Mercury/Mariner 50/55/60 hp. 2 cycle outboards. See application chart for specific engine models.Special Order Item: This product is...

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      • Mercury 804540 Thermostat
        $73.99
        $46.99

        Mercury - Mercruiser 804540 Thermostat Genuine OEM Mercury-Mercruiser part. .Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts...

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      • Mercury 8M0205186 Thermostat Assembly Kit Image
        $147.49
        $92.99

        Mercury 8M0205186 Thermostat Assembly Kit Mercury Thermostat Assembly Kit 8M0205186 is engineered to maintain proper engine operating temperatures for optimal performance and fuel efficiency. Designed for select 5.7L V10 Verado and Mercury Racing...

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      • EMP 75-00403-BR Mercury Brass Thermostat
        $23.52
        $19.60

        EMP 75-00403-BR Mercury Brass Thermostat This brass thermostat is intended for use with Mercury engines and meets all OEM requirements. Brass Thermostat Application: 147° thermostat fits Mercury/Mariner for select 135-200HP EFI and carburetored...

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      • Mercury - Mercruiser 75692Q03 Thermostat
        $30.59
        $25.49

        Mercury - Mercruiser 75692Q03 Thermostat  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Sierra 18-3635 Mercury Thermostat
        $97.49
        $69.99

        Sierra 18-3635 Mercury Thermostat - Replaces Mercury 892864T06 Sierra replacement thermostat for Mercury Marine engines. Fits: Mercury 75-115HP (1B366823-2B094995), 150 EFI (1B905505 & Up) Interchangeable with: Mercury...

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      Mercury OEM Engine Parts Finder

      Mercury Outboard Thermostats and Gaskets

      When it comes to your Mercury Outboard, thermostats are an important part for controlling the temperature of your engine. As the temperature rises, the thermostat opens and allows cooling water to flow through the outboard. Keep your outboard from overheating with our selection of Mercury Outboard thermostat kits, thermostats, and gaskets. We carry the Sierra aftermarket parts, all of which meet OEM specifications.