Water Pump Impeller – Fits Johnson/Evinrude 40HP (Replaces 390286, 0390286, 777835, 0777835) Boat Trailer it's a good practice to

it's a good practice to inspect and consider replacing your thermostat every 200-300 hours or every 2-3 years

bending the blades in the correct rotational direction if necessary

Can I remove the decals easily

This ensures balanced fuel delivery and engine performance

professional installation is recommended to prevent water intrusion and subsequent damage

Water Pump Impeller – Fits Johnson/Evinrude 40HP (Replaces 390286, 0390286, 777835, 0777835) Boat Trailer it's a good practice toProduct Details This aftermarket Water Pump Impeller is designed for reliable performance in Evinrude Johnson Outboard 40HP 2 Stroke engines manufactured between 1983 and 1986. It serves as a direct fit replacement, ensuring your engine's cooling system functions efficiently for optimal engine health and longevity. It is a direct replacement for Johnson Evinrude part numbers 390286, 0390286, 777835, and 0777835, and interchanges with Sierra 18 3366,