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Automann · Air System
170.5004341
In stock · ships from Knoxville
This is a 12-volt purge valve assembly for AD‑9 style air dryers commonly found on heavy‑duty trucks.
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This kit fits any AD‑9 style air dryer, regardless of truck make/model. Always verify your vehicle uses an AD‑9 dryer before ordering.
Part data verified against 5 catalog sources
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It uses a soft‑seat design to quietly release moisture and contaminants from the air dryer each time the compressor unloads. Over time the internal seals can wear or the valve can clog, leading to moisture in the air system, so replacing the purge valve is a routine maintenance item.
Part Number: 170.5004341
AD9 TYPE PURGE VALVE ASSY 12V
Unit: ea
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside air system
