Sherwood® 25017 minor water pump repair kit, suitable for the following pumps: G3001-01, G3001-02, G3001X This kit contains:  Impeller 30000 O-ring 23111 Cam 25072 Pin 21566 Snap ring, small 23091 Wear plate 23112 Water pump cover 23113 Impeller specifications: Diameter: 4-1/2" ~ 114.30mm Width: 4-5/16" ~ 109.50mm Shaft: 15/16" ~ 23.80mm Blades: 10  Keyway: 10 tooth spline Material: Neoprene