Description: 100% compatible with OE parts. The aftermarket Impeller replaces Yamaha 115 HP 250HP 6E5-44352-01-00 Size(L*W*H): 40mm*40mm*10mm/1.57*1.57*0.39inch Material: Impeller(CR), Shaft Sleeve (Brass) Easy to install, great for replacing the old fret broken impellers 100% quality satisfaction Package Includes: 1 Piece Water Pump Impeller