100% New Water Pump Impeller. Made of high quality rubber, quality assure and durable. Impellers engineered for over-performance,manufactured for extra-long service life,quality is guaranteed. Easy installation,keep a spare in the toughest marine environment with chemical resistant neoprene impeller. Perfect replacement for part: 18200K. Specification: Material: Rubber Impeller Width: 50.5mm/1.99inch Impeller Diameter: 65.5mm/2.58inch Shaft Diameter: 15.8mm/0.62inch Package Includes: 1 piece Water Pump Impeller Note: 1. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 2. Please make sure that the part you're replacing is the same as the picture shown before purchasing.