part 44612 Seat, Stepped Cat Pumps code 44612 Details Cat Pumps number44612 DescriptionSeat, Stepped Qty per pump6 Also comes in 31952 Valve kit, EPDM (.0220)31955 Valve kit, FPM (.0110)34017 Valve kit, NBR (STD)76617 Valve kit, FFKM (.0770)77078 Valve kit, NBR (STD) Fits these pumps Cat Pumps 35 Frame 2 3521DHS3527HS Cat Pumps 36 Frame 4 3621X3621XD3631X3631XD Cat Pumps 38 Frame block-style 2 3821HS3831HS Cat Pumps 68 Frame block-style 2 68316835