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Installation requires a standard wrench for tightening the 1/4" NPT fitting and a fuel-resistant thread sealant to ensure a leak-free connection
Kit Type: A complete service kit for comprehensive water pump maintenance
While it may fit other years
2 × Washer (31175/12-86645-1)
Water Pump Impeller Kit – Fits Yamaha 25-40 HP Outboard Motors (Replaces 66T-W0078-00) 250HP Installation requires a standard wrenchProduct Details This Water Pump Impeller Kit Fits Yamaha 25 40 HP Outboard Motors (Replaces 66T W0078 00) provides a comprehensive solution for servicing the water pump on Yamaha T25 HP, F30 HP, and F40 HP models manufactured between 2000 and 2005. It is engineered to restore your engines cooling system to its original performance. This kit serves as a direct cross reference for Yamaha part numbers 66T W0078 00 and 66T W0078 01 00, as well as Sierra
