part 49877 Stem, Piston Cat Pumps code 49877 Details Cat Pumps number49877 DescriptionStem, Piston Qty per pump1 Also comes in 76860 Kit, Repair (Includes: 412, 415, 436, 437) Fits these pumps Cat Pumps 1CX 3 1CX013R1CX025R1CX050R