CAT 33983 Replacement - Seal Packing Kit (3CP Series)

Full seal packing kit for CAT Pumps 3CP Series triplex pumps. Kit includes plunger retainer O-rings, low-pressure seals (LPS) with stainless steel springs, seal case O-rings, and high-pressure seals (HPS). Standard NBR elastomer; STHT, FPM, and EPDM options available from OEM for temperature/chemical compatibility. Compatible models: CAT Pumps 3CP1120, 3CP1130, 3CP1140, 3CP1120G. Cross-references: CAT Pumps 33983, Kit C11. Note: One kit per pump. For complete rebuild, pair with valve kit 33062.