Water Pump Impeller for 6/8HP Yamaha Outboard 6G1-44352-00 Sierra 18-3066 CEF 500302 Full power plus replacement impeller for Yamaha 6G1-44352-00 6/8 Horsepower. This impeller makes repair and maintenance of water pumps easy. Water impellers are made of strongest marine and chemical corrosion resistant hardened nylon and scientifically engineered high performance neoprene rubber.Extremely durable and long lasting. Motor impeller have 2 years warranty and 6 blades.Depth/Height/Width:18.29mm.Outer/External impeller overall Diameter:39.88mm.Internal shaft insert/Hub Diameter:12.02mm.Net Weight: 11g.Material: Impeller(CR),Shaft Sleeve (Nylon). Water Pump Impeller for Replacement of Yamaha 6G1-44352-00 6/8 Horsepower,Sierra P/N 18-3066,CEF P/N 500302.