Old Part Numbers: 4L490Air compressor v-belt, 4L490. Replace if frayed or slipping.Specifications A-type belt, 1/2" wide Outside Dimension: 49" "A" Belt Conversion: A47

Old Part Numbers: KU181

New-style Jenny "K" replacement pump assembly with single-groove flywheel and air filter assembly. Usually for stop/start applications. Same as the "KU" pump, except this pump is for serial numbers starting with "G" and does not have head unloaders. Made...

Old Part Numbers: KU101GIncludes rings, valves, gaskets, unloader valves, crankcase breather, and air filter element (G54E hockey puck-style filter). If you have a sudden loss of performance, if air leaks out of the intake filter, or if the compressor...

Old Part Numbers: PVM, RCB-M-125Unloader pilot valve for air compressors. Cuts in at 95 PSI and out at 125 PSI. 1/4" MPT x 1/8" FPT for throttle control. Factory preset, yet can be adjusted for higher or lower pressures. Replace this control valve if...

Old Part Numbers: 63P-4Air compressor brass tubing insert plastic/nylon tubing, 1/4".

Old Part Numbers: 68-4-21/8" male NPT x 1/4" compression adapter for air compressor unloader/bleeder line. A very common adapter to attach the 1/4" OD unloader/bleeder line from the unloader valve on the pilot valve to the pump head.

1/2" FPT x 3/4" MPT air compressor check valve with 1/8" FPT side port. If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the unit shuts off, replace this part. The check valve is a one-way valve that prevents air from...