D55141 - Type 5 #01B167

Old Part Numbers: A12467, N137875

Replace this seal when replacing the piston / cylinder kit, and if air is leaking from the head at the outlet.

Old Part Numbers: Z-A08548, Z-D29777Broken valve causing slow pump up or no compression at all? Replace this valve plate kit to restore compression (make sure piston and cylinder are not worn as well). NOTE: The D30139 Gasket Kit must be...

Old Part Numbers: A19714, D27022If your pressure switch is leaking at the unloader valve, replace this part

Part of piston/connecting rod kit.