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18-3555 Thermostat Repair Service Kit for Mercruiser 4 Cyl 3.7L SternDrive Motors replaces 991551 99155T1 99155T2 Sierra 18-3568 18-3667

Product Description

This is thermostat kit for Mercruiser Sterndrive Engines
Temperature Rating: 160°F
Fits Mercruiser 3.7L 165 180 488 470 170 190 2 4 BBL. Sterndrive Models
Replaces Mercruiser 991551, 99155A1, 99155T1, 99155T2, GLM 13040, 13420, Mallory 9-43001, 9-43016 and Sierra 18-3555, 18-3568, 18-3667
Package contains: thermostat 991551, thermostat housing gasket 33918 and thermostat seal

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