Thermostat Repair Kit (140°F) – Fits Mercruiser 2.5L/3.0L 120/140/165 HP (Replaces 59078Q3, 59078T3, 59078T4) 270HP 25 male adapter

25 male adapter

apply correct torque to bolts

What are the torque specifications for the water pump bolts

including a drill

and MC-1 models made between 1983 and 1990

Thermostat Repair Kit (140°F) – Fits Mercruiser 2.5L/3.0L 120/140/165 HP (Replaces 59078Q3, 59078T3, 59078T4) 270HP 25 male adapterProduct Details This Thermostat Repair Kit (140F) Fits Mercruiser 2. 5L 3. 0L 120 140 165 HP Engines is engineered to restore proper engine operating temperature in a range of GM based MerCruiser powerplants. It's designed for 4 cylinder (2. 5L 3. 0L) and 6 cylinder inline engines manufactured between 1964 and 1997, ensuring reliable performance in raw or freshwater cooling systems. This kit serves as a direct replacement for Mercruiser part numbers