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Bendix · Air System
K049777
In stock · ships from Knoxville
The Bendix K049777 is a QRN-style quick release valve for heavy-duty air brake systems.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
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Designed for any vehicle using 3/8-18 NPT supply and delivery lines; no specific make/model restrictions.
Part data verified against 5 catalog sources
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It mounts near the air chambers to rapidly exhaust air after a brake application, which improves brake release timing and repeatability. Replace this valve when it leaks, sticks, or fails to release air quickly, causing delayed brake release or dragging brakes.
Part Number: K049777
QRN QUICK RELEASE VALVE
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside air system
