655-44352 Water Pump Impeller for Yamaha 6HP 8HP | JLM Marine 8HP and a new water pump

and a new water pump gasket kit is recommended

3L V6 Multiple 4-Stroke 1987-2016 807252Q5 Standard cooling MerCruiser 5

1 x Complete Spark Plug Wire Set with Boots (816761A5)

Sierra 18-7979

Note the rotational direction of the old impeller's blades before removing it from the drive shaft

655-44352 Water Pump Impeller for Yamaha 6HP 8HP | JLM Marine 8HP and a new water pump655 44352 Water Pump Impeller for Yamaha 6HP 8HP JLM MarineWater Pump Impeller Fits Yamaha 2 Stroke 6HP & 8HP Outboards This aftermarket water pump impeller is designed to fit Yamaha 2 stroke outboard engines rated at 6HP and 8HP. It provides reliable cooling system performance for select short and long shaft models within specific serial number ranges, ensuring compatibility with 6A and 8A (P165) series engines. Direct replacement for OEM part