Rolair

Includes all necessary gaskets for rebuilding pump. Complete gasket set, less O rings and oil seal, for ROLAIR “K60” pump. Includes two /ea head gaskets, middle valve plate gaskets, upper...

If your pressure switch is leaking at the unloader valve (which is the valve on your pressure switch, which has a small tube attached to it) when the air compressor shuts off, replace this part.