part 23115 Backup Ring, V-Packing Spacer Cat Pumps code 23115 Details Cat Pumps number23115 DescriptionBackup Ring, V-Packing Spacer Qty per pump6 Also comes in 76452 Seal kit, NBR (STD)76454 Valve kit, NBR (STD) Fits these pumps Cat Pumps 60 Frame 1 67070