part 701361 Backup Ring, Spacer Inner Cat Pumps code 701361 Details Cat Pumps number701361 DescriptionBackup Ring, Spacer Inner Qty per pump3 Also comes in 702349 Seal kit, NBR (STD)702350 Seal kit, FPM (.0110)703545 Seal kit, EPDM (.0220) Fits these pumps Cat Pumps 60 Frame 1 6747