Tighten the nut and secure it with a new cotter pin
ensuring a reliable fit for a wide range of older MerCruiser drives
Insert the key/pin into the drive shaft slot
our part is designed to open at the correct 60°C for the listed Yamaha engines
Note the position and orientation of seals and O-rings
Sea Water Pump – Fits Volvo Penta, MerCruiser, OMC 4.3L, 5.0L, 5.7L V6/V8 (Replaces 3853850, 8M0113734) family-yamaha-250txrt Tighten the nut and secureSea Water Pump Fits Volvo Penta, MerCruiser, OMC 4. 3L, 5. 0L, 5. 7L V6 V8 This marine water pump is a bi directional circulation pump designed for GM V6 V8 marine engines used in raw water cooling systems across multiple brands. It is a direct, engine mounted replacement for sterndrive and inboard applications. This pump fits a wide range of models, including Volvo Penta 4. 3L, 5. 0L, & 5. 7L engines (1973+); MerCruiser 4. 3L V6, 5. 0L & 5. 7L V8