in-line with the existing fuel hose
Replacement intervals are set by the engine manufacturer and are typically based on operating hours or years of service (e
Ensure all gaskets and seals were seated correctly to prevent air leaks
The new filter must be installed in the same orientation
Thermostat Kit (160°F/71°C) – Fits Mercruiser 3.7L 4-Cylinder Engines (Replaces 99155T1, 99155T2) 390HP in-line with the existing fuelProduct 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