part 133052 Seat, Valve Cat Pumps code 133052 Details Cat Pumps number133052 DescriptionSeat, Valve Qty per pump6 Also comes in 76794 Valve kit, NBR (STD)76831 Valve kit, FPM (.0110)76869 Valve kit, EPDM (.0220) Fits these pumps Cat Pumps 35 Frame 2 35703570S