part 701363 Backup Ring, Spacer Outer Cat Pumps code 701363 Details Cat Pumps number701363 DescriptionBackup Ring, Spacer Outer 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