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HD Value · Air System
NT11040B
In stock · ships from Knoxville
A 15‑foot working‑length blue coiled nylon air hose with 40‑inch leads and 1/2‑inch NPT male fittings.
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Fits any truck or trailer using standard 1/2‑inch NPT gladhands; commonly used on heavy‑duty tractors and semi‑trailers across all major makes.
Part data verified against 2 catalog sources
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It connects the emergency (blue) gladhand air line between a tractor and trailer, flexing during turns and coupling to maintain a reliable air supply. Replace when the hose shows wear, kinking, or leaks to ensure safe braking performance. Meets SAE J844 and FMVSS 393.45 standards for coiled air brake tubing.
Part Number: NT11040B
15' BLUE COILED AIR LINE W/40' LEAD
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside air system