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Automann · Air System
170.277863
In stock · ships from Knoxville
This is an E-3 style single circuit foot brake valve, also called a treadle valve.
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Other applications
Other applications
This aftermarket valve fits a broad range of heavy‑duty trucks, trailers, and vocational equipment that use a single‑circuit foot valve of the E‑3 design. No specific vehicle model or year ranges are documented by the manufacturer, but the part crosses to OEM numbers used by International (IHC 428186R2) and others.
Part data verified against 3 catalog sources
Numbers this part supersedes or interchanges with. Showing 11 of 11.
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It is the driver’s primary air brake control, modulating air pressure from the supply tanks to the brake chambers in proportion to how firmly the pedal is pressed. A worn or leaking valve can cause slow brake response, air loss, or total brake failure, so replacing it promptly is essential for safe operation. The valve is a direct aftermarket replacement for Bendix 277863, Midland KN22100, Velvac 034038, and several other common part numbers.
Part Number: 170.277863
E3 TYPE SINGLE FOOT VALVE
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside air system