Piston Pin for air compressors.

For pumps that end in "AV" ONLY! Includes crankshaft, bearings, rings, conrods, and pistons. NOTE! This will not fit pump models ending in "AJ".

This compression adapter kit converts the new single-outlet air compressor pump head into 2 outlets. This will save you from having to purchase the expensive check valve for many older-style units. Simply screw this into the head of your new pump and...

Air compressor regulator without decal. 1/4" FPT inlet/outlet, 1/8" FPT side port for pressure gauge. If air leaks from the regulator, or when you turn the knob it doesn't adjust the PSI up or down, replace this part.

Old Part Numbers: 69DCAUnloader valve used on many Furnas/Hubbell brand air compressor pressure switches; includes the unloader valve with compression nut and sleeve, and screw. Replace this part if it leaks while the unit is running. If this part leaks...

Old Part Numbers: AB-9053138, AB-9050373, ST070324AV, 90503731/4" MPT x 1.5" steel pipe nipple. Be sure to apply plumber's tape on the threads before installation.