part 49104 O-Ring, Seat, Discharge-90D Cat Pumps code 49104 Details Cat Pumps number49104 DescriptionO-Ring, Seat, Discharge-90D Qty per pump1 or 3 Also comes in 31556 Kit, Repair31708 Kit, O-Ring (Includes: 414, 415, 424, 428-43076390 Valve kit, NBR (STD) Fits these pumps Cat Pumps 15 Frame block-style 1 1570 Cat Pumps Plunger pumps 4 66DX30G1I66DX35G1I66DX40G1I66DX50G1I