Cummins QST30 Water Pump 4310976 Parts Catalogue Ref No. Part Name Part No. Required 1 Water Pump 4310976 1 2 Socket Head Cap Screw 4025372 4 3 Spring Washer  4025373 8 4 O-Ring Seal 4025374 1 5 Socket Head Cap Screw 4025375 2 6 O-Ring Seal 4025376 1 7 V Band Clamp 4025377 2 8 Water Pump Seal 4025378 2 …