Old Part Numbers: CW207635AVOEM air compressor pressure switch. Order 1/4" close pipe nipple to convert this to male threads, 1/4XCLOSENIPPLE ST. If your valve is leaking on the side of the switch do not order this part, order check valve instead. 

Old Part Numbers: 61-8Brass compression nut, 1/2" OD.

Old Part Numbers: ST070387AV-MAT1/4-18 NPT x 2.5" pipe nipple for air compressors.Extra DetailsIf you have a Campbell Hausfeld/Husky model, this will fit the WL651001 model and many others.

Old Part Numbers: 60-8, STD-329Air compressor brass compression sleeve for 1/2" OD tube.

Old Part Numbers: PG0250300BK, S1151Air compressor pressure gauge, 1/4" male NPT back-mount, 300 PSI, 2" face. Remember to apply plumber's tape to the threads.

Old Part Numbers: 3168Air compressor pressure switch/manifold pipe plug, 1/4-18 male NPT.

Old Part Numbers: 019-0246, 019-0023Replacement air filter element, Rolair 431. Fits the K12 through K30 air compressor pumps. Replacing the pump's air filter regularly is important to maintain the performance and longevity of your air compressor. A...

The relief valve is located on the side of the air compressor's pressure switch. If your relief valve is attached to your switch by inserting through a hole on the side bracket, then this is your style. Order this if your valve is broken. If this valve...