part 77319 O-Ring, Spacer, V/P, 70D Cat Pumps code 77319 Details Cat Pumps number77319 DescriptionO-Ring, Spacer, V/P, 70D Qty per pump3 or 6 Also comes in 76871 Valve kit, FPM (.0110) Fits these pumps Cat Pumps 15 Frame 1 1560