Sherwood® 25148 major water pump repair kit, suitable for the following pumps: G2904-01, G2904X This kit contains:  Impeller 29000K Key Retainer 19762 Quad rings 21561 Retainer 19867 Washer 19866 Seal & seat 23837 Lip seal 19869 Cam 21106 Water pump cover 19837 Wear plate 19836 Impeller specifications: Diameter: 3-3/4" ~ 95.25mm Width: 4" ~ 101.60mm Shaft: 15/16" ~ 23.80mm Blades: 12  Keyway: 10 tooth spline Material: Neoprene