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      Mercruiser Thermostat Housing

      • Sierra 18-3647 Thermostat Kit Replaces 807252Q5
        $40.49
        $27.99

        Sierra 18-3647 160° MerCruiser Thermostat Kit Replaces 807252Q5 Kit Includes: Sie-18-3649 Thermostat Sie-18-2844 Thermostat Cover Gasket Sie-18-2552 Thermostat Cover Gasket Sie-18-2553 Thermostat Cover Gasket Sie-18-7173 O-Ring Sie-18-2917...

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      • Sierra 18-3668 Thermostat Kit
        $44.99
        $31.49

        Sierra 18-3668 Thermostat Kit for Mercruiser Stern Drives For Mercruiser engines using 142 degree thermostats Fits 1983 & newer GM V-6 & V-8 engines with standard cooling Includes: (1) Thermostat Cover Gasket (18-2552) (1) Thermostat...

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      • Sierra 18-3650 Thermostat Kit
        $35.99
        $24.99

        Sierra 18-3650 Mercruiser 140 Degree Thermostat Kit  For Mercruiser Sterndrive engines using 140 degree thermostat. Fits 1998 & older MCM GM In-Line 4 & 6 cylinder engines. Kit Includes: (1) 18-2831 Thermostat Gasket (1) 18-3550...

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      • Sierra 18-3648 Thermostat Kit
        $31.99
        $22.49

        Sierra 18-3648 Mercruiser 160 Degree Thermostat Kit Sierra high-quality engine parts are designed to meet OEM specifications.  Temperature Rating: 160° Kit Contains: (1) 18-3649 Thermostat (1) 18-2553 Thermostat Cover Gasket (1)...

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      • Sierra 18-3651 Thermostat Kit
        $25.99
        $18.49

        Sierra 18-3651 Mercruiser 142 Degree Thermostat Kit Sierra high-quality engine parts are designed to meet OEM specifications. Temperature Rating: 142 degrees Kit Includes: (1) 18-2553 Thermostat Cover Gasket (1) 18-2554 Thermostat Cover...

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      • Sierra 18-3531 Thermostat Housing
        $22.99
        $17.49

        Sierra 18-3531 Thermostat Housing Sierra replacement thermostat housing for Mercruiser Sterndrives. Sierra engine parts are manufactured to meet or exceed OEM requirements. Fits: MCM/MIE GM V-6 & V-8 (305, 350, 454 & 502 CID) engines...

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      • Sierra 18-1993 Thermostat Housing
        $93.99
        $65.99

        Sierra 18-1993 Thermostat Housing Sierra replacement thermostat housing for Mercruiser Stern Drives. Fits MCM/MIE 198/898, 228, 250, 260 & 280 Interchangeable with: GLM 13530 Mercruiser Stern...

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      • EMP 75-03222 MerCruiser Thermostat Kit
        $34.55
        $28.79

        EMP 75-03222 MerCruiser Thermostat Kit This 160° Thermostat Kit is intended for use on MerCruiser engines and meets all OEM requirements. Thermostat Kit Application: For 1983 & later GM engines with standard cooling...

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      Mercruiser OEM Engine Parts Finder