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Replace the belt if you notice cracks
Ensure your model and year range match the information provided
This interval should be shorter if operating primarily in saltwater or sandy/silty conditions
Replacement intervals depend on engine hours and operating conditions
Thermostat Kit (140°F/60°C) – Fits MerCruiser 2.5L & 3.0L Stern Drives (Replaces 59078Q3, 18-3650) family-yamaha-4sk Replace the belt if youThermostat 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,
US$ 852.50
US$ 707.50
US$ 142.50
US$ 417.50