part 76318 Ring, Cylinder Sealing Cat Pumps code 76318 Details Cat Pumps number76318 DescriptionRing, Cylinder Sealing Qty per pump9 Also comes in 76966 Seal kit, NBR (STD)76967 Valve kit, NBR (STD)77076 Seal kit, ST (.4400) Fits these pumps Cat Pumps 68 Frame block-style 1 6810