Sherwood® 25123 minor water pump repair kit, suitable for the following pumps: P1710-04 P1710C The newer 25115 mechanical seal is included, which is used on the C versions and pumps with a new shaft. This kit contains:  Impeller 17000 Impeller puller Key 19667 Key Retention Plug Seal & seat plus installation mandrel 25115 Cam 21318 Cam screw 19714 O-ring 15945 Water pump cover 18742 Wear plate 24162 Impeller specifications: Diameter: 3-1/4" ~ 82.55mm Width: 2-7/8" ~ 73.00mm Shaft: 20.00mm Blades: 12  Keyway: 3/16" ~  4.70mm (threaded) Material: Neoprene