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Automann · Hardware & Fasteners
179.3003.15-40
In stock · ships from Knoxville
An air coil set for tractor-trailer connections, consisting of one red emergency line and one blue service line, each 15 feet long when coiled.
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Universal fit
Standard 15 ft coiled air line set for typical tractor-trailer combinations; fits most trucks with 1/2" NPT air connections.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 7 of 7.
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The 1/2-inch outer diameter DOT nylon tubing has 1/2-inch NPT male fittings, with 12-inch and 40-inch leads for connecting between the tractor and trailer gladhands. This set replaces worn or damaged coiled air lines, ensuring proper air brake and suspension communication between the truck and trailer.
Part Number: 179.3003.15-40
Dealer: Knox Trailers
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