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Locate the old trim tab anode on the underside of the anti-cavitation plate
Thoroughly clean all mating surfaces on the bell housing and transom assembly
Key indicators include water intrusion into the bilge area near the transom
in-line with the existing fuel hose
Ensure all gaskets and seals were seated correctly to prevent air leaks
Thermostat Kit (160°F/71°C) – Fits Mercruiser 3.7L 4-Cylinder Engines (Replaces 99155T1, 99155T2) 390HP Locate the old trim tabProduct Details This aftermarket Thermostat Kit (160F 71C) is designed for Mercruiser 3. 7L 4 cylinder (224 CID) engines, including the 165, 170, 180, 190, 470, 485, and 488 series models manufactured between 19761989. It serves as a direct replacement for Mercruiser part numbers 99155T1 and 99155T2, and provides an interchange for Sierra parts 18 3555, 18 3568, and 18 3667. Designed for simple, direct OEM replacement installation. Regulates engine
US$ 170.00
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