HS518000AJ, HS518100AJ #01B331

Old Part Numbers: GA031900AVReplace if cracked or reading inaccurately. 

Complete air compressor gasket kit for high-pressure and low-pressure side, includes head gasket, valve plate gasket, cylinder gasket, crankcase gasket, bearing cover gasket, oil seal, and o-ring.

Includes gaskets.

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.

NOTE! This flywheel will only fit units made AFTER March 2008. Flywheel for units made previous to this date is no longer available. OD: 16.5" Tapered Shaft: Large, (inside) 1.34" Small, (outside) 1.27"

Connecting rod assy including the dipper.  NOTE! This is the NEW-style rod and will only fit pumps made after 2008! The old conrod is no longer available. The new rod is nearly identical to the old rod except at the piston connection; the...

Includes wrist pin and clips.

Air compressor piston ring set for the smaller, HP piston. Includes comp ring and oil ring. Stagger ring gaps and hone the cylinders when installing. Also available in the HS050000AVRINGS kit. It's recommended to replace the rings for both the...

Includes wrist pin and clips.

Old Part Numbers: CV218401AJ, CV220301AJ, CV221502AV, CV221502AJ1/2" Comp X 1/2"MPT with 1/4" quick-release fitting. If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the unit shuts off, replace this part. The check...