Features: 1.The impeller is the core component of the pump, the shape and size of the pump impeller are closely related to the performance of the pump. 2.Well desighed to avoid hydraulic loss and clearance loss will occur at the pump inlet and blades. 3.Replacing part numbers for reference: 6F5?44352?00, 47?99971M. perfect match. 4.Original standard, wonderful replacement for the previous old or broken impeller. 5.Conform to strict quality control standards, dependable to use. Fit for Yamaha outboard, fit for Mercury/Mariner outboard. Specification: Conditon: 100% Brand New Item Type: Water Pump Impeller Material: Rubber Color: As Pictures Shown Part Number: 6F5?44352?00, 47?99971M Fitment: Fits for Yamaha Outboard C40 hp 1990-1997 Fits for Mercury/Mariner Outboard 40A (M) s/n code 676 ser A00346-up 40A (ML) s/n code 676 ser A41356-up 40A (E) s/n code 676 ser A10121-up 40A (EL) s/n code 676 ser A50631-up 40B (M) s/n code 676 ser B000106-up 40B (ML) s/n code 676 ser B300101-up 40B (E) s/n code 676 ser B100461-up 40B (EL) s/n code 676 ser B400420-up 40C (M) s/n code 6E9 ser 000106-up 40C (ML) s/n code 6E9 ser 300126-up 40C (E) s/n code 6E9 ser 100101-up 40C (EL) s/n code 6E9 ser 400231-up Package List: 1 xWater Pump Impeller