Thermostat Repair Service Kit – Fits Mercury/MerCruiser 4.3L 5.0L 5.7L 7.4L V6 V8 SternDrive Motors (Replaces 807252Q4, 807252T4, 807252T7, 8M0089715) 85-140HP Always install new seals on

Always install new seals on clean

or any signs of warping or damage

Always carry spares on board

We accept returns on unused items in their original condition within our standard return window

How often should I replace this fuel filter disc

Thermostat Repair Service Kit – Fits Mercury/MerCruiser 4.3L 5.0L 5.7L 7.4L V6 V8 SternDrive Motors (Replaces 807252Q4, 807252T4, 807252T7, 8M0089715) 85-140HP Always install new seals onProduct Details This Thermostat Repair Service Kit Fits Mercury MerCruiser 4. 3L 5. 0L 5. 7L 7. 4L V6 V8 SternDrive Motors is designed for gasoline sterndrive engines (262 454 CID) from 1983 to 2016 with standard cooling systems. It ensures proper engine temperature regulation for optimal performance and longevity. It serves as a direct cross reference for Mercury MerCruiser part numbers 807252Q4, 807252T4, 807252T7, 8M0089715 and aftermarket