HL400000, HL400000AV #01A38C

Campbell Hausfeld Air Compressor Motor Fan Kit includes the aluminum fan, bolt, nut, and retaining ring. Replace this if damaged or if any fins are missing to keep your motor/pump from overheating.

Air compressor valve plate kit includes the valve plate with valves, head gasket, valve plate gasket, and cylinder gasket. Broken valve(s) causing slow pump up or no compression at all? Replace this valve plate assembly to restore compression.

Oil Fill, Breather Kit, HL4000

Kit includes part # 34, 35, 36, 37, 38, & 50.

Kit includes part # 4, 13, 15, 27, & 28.

Cast iron cylinder for pump. Replace this if your cylinder has a top to bottom groove caused by lack of oil or abrasion. Remember to use a ring compressor to compress the rings on your piston to be able to slide the cylinder over the piston. 

Campbell Hausfeld Air Compressor Pump Piston Kit includes the crankcase cover baffle, connecting rod, piston, piston pin, piston retainers, and piston rings. No compression usually means a worn piston. This kit will make your unit run like new!