part 49118 Washer, Seal (1/2") Cat Pumps code 49118 Details Cat Pumps number49118 DescriptionWasher, Seal (1/2") Qty per pump2 Fits these pumps Cat Pumps Plunger pumps 4 66DX30G1I66DX35G1I66DX40G1I66DX50G1I