Check the listing for details. Cat Pump 34260 Valve Kit for 5DX,6DX,66DX Pumps - 3 Valves in Kit. Condition: New. Listed at 73.99 USD. This OEM check valve kit includes valves and o-rings to repair Cat pumps. Below is a partial listing of the pumps this kit will service. If you have any other questions or are unsure if this check valve kit will service your Cat Pump, please contact us through eBay. We are a full service pressure washer repair shop. PLEASE NOTE: You will need two kits to do a complete check valve service and replacement on your Cat pump. Pumps this kit will service:66DX30G1I66DX35G1I66DX40G1I6DX35G1I6DX40G1I5DX30G1I5DX35G1I5DX40G1I5DX50G1IIncluded in the Kit:3x 46583 Spring Retainer3x 43750 Spring3x 46429 Valve3x 45790 Seat3x 17547 Seat O-Ring3x 17616 Valve Plug O-RingThis OEM check valve kit includes valves and o-rings to repair Cat pumps. Below is a partial listing of the pumps this kit will service. If you have any other questions or are unsure if this check valve kit will service your Cat Pump, please contact us through eBay. We are a full service pressure washer repair shop. PLEASE NOTE: You will need two kits to do a complete check valve service and replacement on your Cat pump. Pumps this kit will service:66DX30G1I66DX35G1I66DX40G1I6DX35G1I6DX40G1I5DX30G1I5DX35G1I5DX40G1I5DX50G1IIncluded in the Kit:3x 46583 Spring Retainer3x 43750 Spring3x 46429 Valve3x 45790 Seat3x 17547 Seat O-Ring3x 17616 Valve Plug O-Ring