Sherwood® 25045 major water pump repair kit, suitable for the following pumps: G1814-01*, G1814X* G2903-01, G2903X *The 29000 impeller must be used with the 25103 shaft replacement (the major kit 25045 contains the 29000 impeller and 25103 shaft bearing assembly as well). The change effectively converts the pump to a G2903X. This kit contains:  Impeller 29000 Quad ring 21561 Bearings & shaft assembly 25103 Pin 21566 Retainer 19867 Seal & seat 24511 Lip seal 23045 Retainer 19762 Cam 21106 O-ring 1720-0212 Washer 19866 Water pump cover 19837 O-ring 1720-0213 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