Mercruiser Thermostat Housing

      • Sierra 18-3668 Thermostat Kit
        List Price: $19.99
        Starting At: $14.14

        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 18-3647 Thermostat Kit Replaces 807252Q5
        List Price: $33.99
        Starting At: $23.99

        Mercruiser 160 Degree Thermostat Kit by Sierra 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 Thermostat Housing Gasket ...

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      • Sierra 18-3648 Thermostat Kit
        List Price: $26.49
        Starting At: $15.95

        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 18-1994 Thermostat Housing
        List Price: $227.99
        Starting At: $143.95

        Sierra 18-1994 Mercruiser Thermostat Housing Sierra high-quality engine parts are designed to meet OEM specifications. Fits MCM/MIE GM V-6 & V-8 (305, 350, 454, 502 & 540 cid) engines Interchangeable...

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