170.131081 Automann ST4 Safety Pop-Off Valve 250psi

170.131081 Automann ST4 Safety Pop-Off Valve 250psi 170.131081 Automann ST4 Safety Pop-Off Valve 250psi ST4 Type Safety Valve, Pressure Relief Valve, Set At 250PSI, 1/2in NPT This valve, made by Automann is a great cost effective replacement for the original. Any reference to OEM names or OEM product identification numbers/descriptions/model numbers is for identification only and does not indicate that it is an OEM part. Share this… Email Facebook Pinterest Twitter Linkedin Print SKU: AU-170.131081 Categories: Air Supply, Heavy Truck, Safety Valves