Sherwood® 12394 minor water pump repair kit, suitable for the following pumps: G3 G4 G45-1 G45-2 G5 G5-1 G50 G55-2 G56 G7 G7B G85 K90 L10 L10B L80 L90 M70 M71 M74 This kit contains: Impeller 10615 Gasket, cover 12855 Seal & Seat 12859 O-ring 12231 Impeller specifications: Diameter: 2-9/16" ~ 65.10mm Width: 1 5/8" ~ 41.20mm Shaft: 5/8" ~ 15.90mm Blades: 12 Keyway: 3/16" ~ 4.75mm Material: Neoprene