Water Pump Repair Kit – Fits Mercury 175-300HP & 450R V6/V8 4-Stroke Outboards (Replaces 8M0205803, 8M0142980) 485HP Locate and carefully remove the

Locate and carefully remove the thermostat housing

25 × 20 × 1

Requires thermostat seal 27-887978 for installation (sold separately)

It ensures reliable fuel delivery and restores engine performance to factory standards

and diaphragms for a full replacement

Water Pump Repair Kit – Fits Mercury 175-300HP & 450R V6/V8 4-Stroke Outboards (Replaces 8M0205803, 8M0142980) 485HP Locate and carefully remove theProduct Details This Water Pump Repair Kit is designed for Mercury Marine 175 300HP 3. 4L V6 and 4. 6L V8 4 stroke outboards, including 450R models, from 2019 and newer (serial number 2B529482 and above). It serves as a direct replacement for Mercury part numbers 8M0205803, 8M0142980, 47 8M0205803, and 98 8M0142980. Engineered for direct fit installation. Complete kit includes all necessary gaskets, seals, and a new impeller. Restores cooling system