part 48544 Seat Cat Pumps code 48544 Details Cat Pumps number48544 DescriptionSeat Qty per pump6 Also comes in 31270 Valve kit, NBR (STD)31275 Valve kit, FPM (.0110)31285 Valve kit, NBR (STD)31385 Valve kit, FPM (.0110)76197 Valve kit, EPDM (.0220)76370 Valve kit, EPDM (.0220) Fits these pumps Cat Pumps 25 Frame 1 2510