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including a drill
pressure changes (pulses) in the crankcase are transmitted through the hose to the pump's diaphragm
and MC-1 models made between 1983 and 1990
25 male adapter
The most common indicators are milky or water-contaminated gear lube
Thermostat Repair Kit (140°F) – Fits Mercruiser 2.5L/3.0L 120/140/165 HP (Replaces 59078Q3, 59078T3, 59078T4) 270HP including a drillProduct 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
