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Replacement intervals depend on engine hours and operating conditions
Reconnect the fuel lines to the correct ports on the new filter
Inspect for corrosion or damage
69M-12411-01 General compatibility range
Connect Fuel Lines: Attach the main fuel inlet hose and the fuel outlet hose to the carburetors
Thermostat Kit (140°F/60°C) – Fits MerCruiser 2.5L & 3.0L Stern Drives (Replaces 59078Q3, 18-3650) family-yamaha-4sk Replacement intervals depend on engineThermostat Kit (140F 60C) Fits MerCruiser 2. 5L & 3. 0L Stern Drives This thermostat kit is designed for MerCruiser 2. 5L (120HP) and 3. 0L (140HP) inline 4 cylinder and 6 cylinder GM engines (1998 and newer) equipped with cast iron exhaust manifolds. It serves as a direct replacement component for maintaining optimal engine operating temperature. Engineered to match OEM specifications, this kit directly replaces MerCruiser part numbers 59078Q3,