part 76327 O-Ring, Front Cylinder Cat Pumps code 76327 Details Cat Pumps number76327 DescriptionO-Ring, Front Cylinder Qty per pump3 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