Must order quantity of 4 for complete set. 1/4"-20 x 1-1/4 length.

Old Part Numbers: PS3030RVUnloader 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...

Brass compression nut and sleeve for 3/8" OD tubes.

Old Part Numbers: Z-AC-0032, AC-0032Valve plate comes with preinstalled valves and o-rings. Poor performance or air leaks out of the intake filter while the unit is running? This is probably the problem.

Old Part Numbers: 5130038-00, 5130024-001/4" OD brass compression nut and sleeve for bleeder (unloader) tube for air compressors.

There are several different air compressor cooling fan styles. Choose this if yours looks like this one. Replace if cracked or missing fins.

O-ring seal for air compressor valve plate, installs in between the cylinder and valve plate. Used with original style valve plate.SpecificationsO-ring measures 2.759"/2.719" ID