part 128857 O-Ring, Valve Plug Cat Pumps code 128857 Details Cat Pumps number128857 DescriptionO-Ring, Valve Plug Qty per pump6 or 128857 Also comes in 34092 Valve kit, NBR (STD)76140 Valve kit, NBR (STD)76454 Valve kit, NBR (STD) Fits these pumps Cat Pumps 60 Frame 7 67476760676167626767677567070