part 49602 Crankshaft, 1/2", (2.0 mm) 1CX013R Cat Pumps code 49602 Details Cat Pumps number49602 DescriptionCrankshaft, 1/2", (2.0 mm) 1CX013R Qty per pump1 Fits these pumps Cat Pumps 1CX 3 1CX013R1CX025R1CX050R