Mercury Outboard Thermostats & Gaskets

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      • Sierra 18-3642 Mercury Thermostat Kit
        $69.99
        $56.99

        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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      • Sierra 18-43052 Thermostat Kit
        $52.49
        $36.49

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

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      • Mercury - Mercruiser 75692 Thermostat - 147°F
        $25.79
        $21.49

        Mercury - Mercruiser 75692 Outboard Thermostat - 147°F Genuine OEM Mercury-Mercruiser part. Replacement thermostat for select 135 hp through 200 hp Mercury and Mariner EFI and carburetor fueled 2-cycle, V-6 outboards. The Mercury 75692 thermostat is...

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      • Mercury - Mercruiser 14586A7 Thermo/Poppet Kit
        $55.99
        $48.99

        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...

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      • Sierra 18-2007 Oil Seal Replaces 26-94038
        $15.99
        $10.99

        Sierra 18-2007 Oil Seal Sierra high quality aftermarket parts are manufactured to meet or exceed OEM requirements. O.D.: 1.500" Shaft Size: 1.000" Width: 0.312" Interchangeable with: GLM 85600 Mallory 9-76103 Mercruiser Stern...

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      • CLEARANCE
        Sierra 18-2559 Impeller Gasket
        $2.99
        $1.99

        Sierra 18-2559 Impeller Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For Mercury 6/8/9.9/15 Interchangeable with: Chrysler/Force/US Marine 27-19202 GLM 31230 Mercury...

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      • Sierra 18-2565 Impeller Gasket
        $1.49
        $0.92

        Sierra 18-2565 Impeller Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For use with Chrysler/Force/US Marine engines, Honda Outboards, and Mercury Marine engines. Interchangeable with: Chrysler/Force/US...

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      • Sierra 18-0622 Lower Wear Plate Gasket
        $4.99
        $3.99

        Sierra 18-0622 Lower Wear Plate Gasket Sierra replacement lower wear plate gasket for Chrysler/Force/US Marine and Mercury Marine engines. Sierra engine parts are manufactured to meet or exceed OEM requirements. Interchangeable...

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      • Sierra 18-3640 Mercury Thermostat
        $26.99
        $20.99

        Sierra 18-3640 Mercury Thermostat - Replaces 8M0168892 Sierra replacement thermostat for Mercury Marine Outboards. Fits: Mercury 40-60HP (1C050252 & Up) Interchangeable with: Mercury Marine 8M0117413 8M0168892

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      • Mercury - Mercruiser 14586A-4 Thermostat Kt-120
        $92.49
        $80.49

        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.

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      • Sierra 18-2565-9 Impeller Gasket (Priced Per Pkg Of 2)
        $18.99
        $14.49

        Sierra 18-2565-9 Impeller Gasket (Pkg Of 2) Sierra replacement impeller gasket for Mercury and Honda Outboards. Package of 2 Interchangeable with: GLM 30320 Honda Outboard 19242-ZW1-003 Mallory 9-60022 Mercury...

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      • EMP 75-00403-BR Mercury Brass Thermostat
        $21.59
        $17.99

        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 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.