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      Mercury Outboard Thermostats & Gaskets Product Listings

      • Sierra 18-3553 Thermostat Replaces 75692
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        Sierra 18-3553 Mercury 143° Thermostat

        $27.59
        $21.49

        Sierra 18-3553 Mercury Thermostat The Sierra 18-3553 Thermostat has a 143°F temperature rating. For use on Mercury Marine engines. Interchangeable with: GLM 13010 Mallory 9-43019 Mercury...

      • Sierra 18-3569 Thermostat Kit Replaces 803061T1
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        Sierra 18-3569 Mercury 70-125HP 2 Cycle Thermostat Kit

        $35.39
        $25.49

        Sierra 18-3569 Mercury Thermostat Kit  Sierra replacement thermostat kits are designed to meet OEM specifications. This kit fits various Mercury/Mariner 70-125 HP 2 cycle outboards (1987 and newer). Temperature rating: 120°F Kit...

      • Sierra 18-0182-9 Thermostat Gasket
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        Sierra 18-0182-9 Thermostat Gasket 2 Pack

        $4.19
        $3.69

        Thermostat Gasket for Johnson Evinrude and Mercury by Sierra For Mercury Mariner, Johnson and Evinrude Outboards (Priced Per Pkg of 2) Replaces: Mercury - 27-62386001 OMC - 0310058 GLM - 30610 Mallory - 9-60002 Supersedes: 18-0182

      • Sierra 18-3549 Thermostat Replaces 14586
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        Sierra 18-3549 Mercury Thermostat

        $31.29
        $22.49

        Sierra 18-3549 Thermostat for Mercury Sierra replacement thermostat for Mercury Marine engines. Temperature Rating: 120°F Use with: 18-3569 Thermostat Kit 18-43052 Thermostat Kit Interchangeable...

      • Mercury - Mercruiser 27-863725-1 Gasket
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        Quicksilver OEM MerCruiser V6/V8 Exhaust Manifold Elbow Gasket

        $16.79
        $13.99

        Quicksilver OEM MerCruiser V6/V8 Exhaust Manifold Elbow Gasket 27-863725-1 This genuine OEM Mercruiser elbow gasket is for use with 5.0L, 5.7L, 7.4L, 8.2L GM engines with a center rise outlet exhaust manifold. Application: 454 MAG MPI Bravo...

      • Mercury - Mercruiser 27-802699002 Gasket
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        Quicksilver 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 &...

      • Volvo Penta 3852111 Gasket
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        Volvo Penta 3852111 Thermostat Housing Gasket

        $6.79
        $6.39

        Volvo Penta 3852111 Thermostat Housing Gasket Genuine OEM Volvo Penta part. Fits: Volvo Penta 4.3L (All Models) Volvo Penta 5.7L (All Models Except OSi) Volvo Penta 5.8L (All Models) Mercury 110/120 Mercury 140/150/160 Mercruiser 3...

      • Sierra 18-3675 Thermostat Cover Gasket
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        Sierra 18-3675 Mercury 200-250HP 3.0L Thermostat Cover Gasket

        $4.09
        $3.59

        Sierra 18-3675 Thermostat Cover Gasket Sierra replacement thermostat cover gasket for Mercury Marine engines. For: 200-250 Hp 3.0L, (DFI and EFI) Interchangeable with: Mercury Marine 27-850318 27-8503181 Mercury Sport...

      • Sierra 18-0835 Thermostat Gasket
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        Sierra 18-0835 Thermostat Gasket

        $6.29
        $5.29

        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...

      • Sierra 18-0323 Thermostat Gasket Replaces 27-14318005
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        Sierra 18-0323 Thermostat Gasket Replaces 27-14318005

        $2.79
        $2.39

        Sierra 18-0323 Mercury Thermostat Gasket For Mercury Marine Outboard motors. Interchangeable with: GLM 32760 Mercury Marine 27-14318 3 27-14318 2 27-14318005 27-143184 27-14318

      • Quicksilver 8M0090819 Thermostat Assy Image
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        Quicksilver 8M0090819 Thermostat Assy

        $99.59
        $82.99

        Quicksilver 8M0090819 Thermostat Assy Quicksilver 8M0090819 Thermostat Assembly is designed for select Mercury 75-115 HP 2.1L EFI FourStroke outboards. This 120°F thermostat helps regulate engine operating temperature by controlling coolant flow...

      • Sierra 18-0345 Water Pump Gasket
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        Sierra 18-0345 Water Pump Gasket

        $7.49
        $5.89

        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...

      • Mercury - Mercruiser 807252T5 Thermostat Kit
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        Mercury 807252T5 Mercruiser GM 1987-2016 160° F Thermostat Kit

        $52.79
        $43.99

        Mercury-MerCruiser 807252T5 160°F Thermostat Kit The Mercury-MerCruiser 807252T5 Thermostat Kit is a genuine OEM 160°F thermostat kit for compatible MerCruiser sterndrive and inboard engines. This kit is designed for GM V6 and V8 engines built...

      • Mercury 8M0168892 Thermostat
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        Mercury - Mercruiser 8M0168892 Thermostat

        $36.59
        $30.49

        Mercury - Mercruiser 8M0168892 Thermostat Genuine OEM Mercury-Mercruiser part. 120 Degrees F Applications: 40/50/60HP Four Stroke 1C050252 and Above Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate...

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      • Sierra 18-3631 Mercury 135-300 Verado Thermostat With Housing
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        Sierra 18-3631 Mercury 135-300 Verado Thermostat With Housing

        $207.69
        $149.49

        Sierra 18-3631 Thermostat With Housing Sierra replacement thermostat for Mercury Marine engines. Includes thermostat and housing. Fits: 135-300 Verado Temperature Rating: 144°F Interchangeable with: Mercury Marine 892864T04

      • Sierra 18-3633 Mercury Thermostat
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        Sierra 18-3633 Mercury Thermostat

        $86.79
        $71.99

        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

      • EMP 75-00456 Mercury / BRP Thermostat Kit
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        EMP 75-00456 Mercury / BRP Thermostat Kit

        $24.95
        $20.79

        EMP 75-00456 Mercury / BRP Thermostat Kit This Thermostat Kit is intended for use on Mercury and BRP outboard engines and meets all OEM requirements. Thermostat Kit Application: For Mercury Mariner 1975-1979 V6 135-200 HP Outboards For...

      • Sierra 18-0970 Fuel Pump Base Gasket
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        Sierra 18-0970 Fuel Pump Base Gasket

        $0.58
        $0.45

        Sierra 18-0970 Fuel Pump Base Gasket Sierra replacement fuel pump base gasket for use on Chrysler/Force/US Marine, Mercury Marine, and Mercury Sport Jet engines. Interchangeable with: Chrysler/Force/US...

      • Sierra 18-2509 Carb Mounting Gasket Replaces 27-67751
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        Sierra 18-2509 Carb Mounting Gasket Replaces 27-67751

        $1.99
        $1.59

        Sierra 18-2509 Mercury Carburetor Mounting Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Mercury Marine 27-67751 GLM 31690 Application: Mercury Marine Magnum...

      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.

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