This is the Water Pump Impeller Repair Kit for Yamaha # 63D-W0078-01 40/50/60 Horsepower Outboard Motors. This kit makes repair and maintenance of water pumps easy.Our complete kits come with all the needed parts including: It includes: Neoprene Impeller,Water Pump Housing, Wear Plate, Woodruff Key, O Ring, Cover, Insert Cup, Water Pump Gasket, Water Seal, Installation bolts and washers. Made of high-quality material. It is extremely durable and long lasting.FITS THE FOLLOWING for YAMAHA OUTBOARD:40EJRV 1997, 40EJRW 1998, 40ELRW 1998, 40ESRV 1997, 40ESRW 1998, 40ESRX 1999, 40MJHV 1997, 40MJHW 1998, 40MJHX 1999, 40MLHW 1998, 40MLHX 1999, 40MLHY 2000, 40MLHZ 2001, 40MSHV 1997, 40MSHW 1998, 40MSHX 1999, 40TLHV 1997, 40TLR 040540TLRA 2002, 40TLRB 2003, 40TLRC 2004, 40TLRW 1998, 40TLRX 1999, 40TLRY 2000, 40TLRZ 2001, 50EJRV 1997, 50EJRW 1998, 50EJRX 1999, 50ELRV 1997, 50ELRW 1998, 50TLHV 1997, 50TLR 0405, 50TLR 0406, 50TLR 0407, 50TLR 0408, 50TLR 0409, 50TLRA 2002, 50TLRB 2003, 50TLRC 2004, 50TLRD 200550TLRNC 200450TLRV 199750TLRZ 2001C40TLRA 2002C40TLRB 2003C40TLRV 1997C40TLRW 1998C40TLRX 1999C40TLRY 2000C40TLRZ 2001C50TLRW 1998C50TLRX 1999C50TLRY 2000C50TLRZ 2001F40TLRX 1999P40TLHW 1998P40TLRW 1998F50LA 0112F50LA 0412F50LB 0116F50LB 0117F50TLR 0405F50TLR 0406F50TLR 0410F50TLR 0509F50TLR_0411F50TLHV 1997T50TLRC 2004T50TLRV 1997F50TLRB 2003F50TLRC 2004F50TLRD 2005F50TLRV 1997F50TLRW 1998F50TLRX 1999F50TLRY 2000F50TLRZ 2001F60JB 0113F60JB 0115F60JB 0116F60LB 0113F60LB 0114F60LB 0115F60LB 0116F60LB 0117F60TJR 0405F60TLR 0406F60TLR 0407F60TLR 0408F60TL