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Thomas Air Compressor Parts

New Thomas Air Compressors, Rebuild Kits and repair parts. Thomas Air Compressors are made in the U.S.A. All rebuild kits include O-Ring Gaskets, Reed Valves and Piston/Cylinder Assembly. We also have select Air Filters and new units available. Thomas Oil-Free Air Compressors are some of the best oil-free units made, it's worth it to rebuild your compressor and keep spare parts on hand! If compression is low, usually this is due to a damaged compression (piston) ring, worn cylinder or broken reed valves in the pump. A Rebuild Kit should repair any problem with loss of compression, or slow compression. Make sure to keep your inlet air filter clean, as it keep debris out of the pump. 
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Thomas air compressor parts and helpful repair tips to keep your unit up and running. It’s easy to repair with our handy kits.

Thomas air compressor parts

Tips for replacing valves

Check valve replacement

Piston cylinder kit tips

How to troubleshoot your unit

Popular parts for this unit


Just Arrived!

Don't forget the Teflon tape for the threads of your air lines!

Teflon Tape (Thread Seal Tape)

Teflon Tape (Thread Seal Tape)


Over 350 pneumatic fittings. Most are 1/4" and 3/8" NPT. Selling at 75% lower than our cost!
Brand new. Never used. Most made by Coilhose Pneumatics.

Lot of air fittings

Lot of air fittings

$125.00 $99.00

Quickest way to drain your tank!

1/4" Ball Valve Drain Cock

1/4" Ball Valve Drain Cock

$8.64 $6.95