Air compressor check valve, 1/2" Compression x 1/2" MPT with 1/8" hole; plug hole if not needed.  https://mastertoolrepair.com/1-8-blk-steel-plug-s-h-100b6e/ If the small unloader (bleeder) valve on or under your pressure switch leaks constantly...

Old Part Numbers: 045-0043Bearing carrier and bearing for flywheel end..

Old Part Numbers: 60-4-61-4, 058-0017-MAT1/4" compression nut and sleeve. Order two, one for each end of the tube.

Old Part Numbers: 136-0069, SRV250145, 1229W-145Air compressor safety relief valve. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature.Specifications MPT Inlet: 1/4 in. FPT Outlet: 3/8 in. Preset...

Old Part Numbers: 019-0052Felt air intake filter for Sanborn 130/165 style air compressor pumps. Order 2 or 3 for spares. Replace this every 3-4 months if the compressor is used frequently. A clean filter allows your pump to operate at its max...

Air compressor compression adapter.Specifications 1/4" Compression x 1/8" MPT

Old Part Numbers: 68-6-41/4" NPT x 3/8" OD compression adapter for air compressors. If your pump has an 'X' in front of the serial number and your supply tube measures 3/8" OD, order this part.

Old Part Numbers: 68-8-4, 624318Compression adapter for air compressors. 1/2" compression x 1/4" male NPT.Specifications 1/2" OD x 1/4" MIP