March 25, 2022
How Often Should A Boat Impeller Be Replaced?
Most inboard and sterndrive boats utilize a raw water system to cool the engine while it runs. Cold water cycling through the system keeps the engine at a safe operating temperature. Boats use impellers to take in raw water. An impeller is a hub with flexible rubber fins. When the impeller rotates, water is sucked into the cooling system. Despite being made of rubber, impellers tend to be durable. During operation, water keeps them lubricated