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Automann · Brakes & Wheel End
177.7820
In stock · ships from Knoxville
This is a 20-inch air brake hose assembly with 1/2-inch inner diameter and 3/8 NPT fittings, one end fixed and one swivel.
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Verified fitment for 1 applications
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All confirmed applications for this part number.
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Other applications
Universal fitment for air brake circuits; not specific to a single vehicle model. Verify your hose length and fitting size before ordering.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 10 of 10.
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It connects components like brake chambers and valves in heavy-duty truck and trailer air brake systems, absorbing vibration and allowing movement. You would replace it when the hose shows cracks, leaks, or general wear because a damaged hose can cause brake failure.
Part Number: 177.7820
BRAKE HOSE 1/2X20 3/8NPT
Unit: ea
Vendor: Automann
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end
