part 43513 Seal, Low-Pressure with SS-Spring Cat Pumps code 43513 Details Cat Pumps number43513 DescriptionSeal, Low-Pressure with SS-Spring Qty per pump3 Also comes in 76982 Seal kit, NBR (STD)77069 Seal kit, NBR (.3000) Fits these pumps Cat Pumps 35 Frame 1 3550