33820 VALVE KIT 56,57,59,60 (NEED 2)

SKU: 2822

CAT Pumps kit 33820 is a standard Buna-N (NBR) valve kit for CAT 56, 57, 59, and 60 series pumps. Each kit covers three valves with 304 stainless steel seats, valves, and springs, PVDF spring retainers, PTFE backup rings, and Buna-N O-rings; two kits are required per pump. Install it during scheduled valve service to restore sealing and pumping performance.