part 49088 Backup Ring, Discharge Seat Cat Pumps code 49088 Details Cat Pumps number49088 DescriptionBackup Ring, Discharge Seat Qty per pump3 Also comes in 31292 Valve kit, NBR (STD)31296 Valve kit, FPM (.0110) Fits these pumps Cat Pumps 25 Frame 5 25602560BH25652565BH2565T13 Cat Pumps 35 Frame 2 35603560RST14