Description
Wabco Type Air Governor, Fit s WabcoSS1200 Plus Air Dryer
Part Overview
Name: Air Governor Valve (Wabco style, for System Saver 1200 Plus dryers)
Function: Regulates compressor cut-in/cut-out pressures in air brake systems—ensures safe operation.
Specifications
Exhaust Port: 1/8″ NPT
Reservoir Port: 1/8″ NPT
Cut-in Pressure: Approx. 105–110 psi
Cut-out Pressure: Approx. 129–135 psi
Summary
Automann 170.4324709202 is a direct aftermarket replacement for the Wabco style Air Governor used in System Saver 1200 Plus air dryers. With standard ports and pressure set points, it is cross-compatible with Freightliner,






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