MAT - EDI

Piston Ring Set for one piston. Order quantity 3 (sets) for a complete set for three pistons.

Low pressure cylinder head for the Campbell Hausfeld HS050000AV pump.  Sale item - 1 in stock (no returns).

Cap for Oil Drain Extension

(3/4" NPT x 3/4" OD Tube) If your pressure switch is leaking at the unloader valve, replace this part.