The Water Pump Impeller is a must-have part for all boat engine owners, particularly those running 35-70HP. This compact and durable impeller is custom-fit for various spars, ensuring a tight and secure fit that prevents leaks and reduces the risk of damage. Suitable for spars ranging from 47-89983T to 47-65959, 17461-95201, and 18-3007, the impeller provides optimal performance for various applications. Its robust construction and precision fit make it suitable for long-lasting service, even in the harshest marine environments. The Water Pump Impeller 500312 is the perfect solution for maintaining your boat's performance and longevity, ensuring a smooth and efficient flow of water through the engine.