VIAIR 40 Amp Air Compressor Relay for 12V Compressors - 93940 |

Save Up To $235 On Tires In May! | Click here

VIAIR 40 Amp Air Compressor Relay for 12V Compressors - 93940

universal fit logo


  • VIAIR | Part Number: V/A93940
  • Application:Relay
  • Fitment:Universal Fit


For use with all 12-Volt compressors up to 40 Amp total amp draw. Relays works with compressors that fill air tanks by utilizing a pressure switch. The relay acts as a buffer between the compressor and the pressure switch which can burn out prematurely from experiencing full amp draw of a compressor.


Question & Answers

0 Answered question


When you're looking for compressors and air accessories for the off-road market, VIAIR is a vital air source for Jeeps running onboard air systems or portable compressors. 4WD has an extensive lineup of VIAIR products and accessories like pressure gauges, air filters and airline fittings. Operate air tools, inflate intertubes, balls and other sports gear, and of course, re-inflate tires after a day on the trails with reliable VIAIR products. Compressors draw various amps with different PSI working pressures to fill bigger tires quickly and hassle-free. VIAIR's constant duty onboard air system for Jeeps offers a 100% duty cycle with all the necessary components to keep your wheeling adventures aired-up and safe. Shop VIAIR Now