
Heavy Duty 12 FT 3-in-1 Air Lines for Semi Trucks
Upgrade your rig with this reliable 12 FT 3-in-1 Air Line Assembly — combining service air, emergency air, and ABS/electrical power in one clean, tangle-free setup built for professional drivers and fleets.
Full Product Description:
The Heavy Duty 12 FT 3-in-1 Air Lines connect the tractor to the trailer with two DOT-rated rubber air hoses (red emergency, blue service) plus a 7-way ABS electrical cable, all bundled together to stay organized and tangle-free. The spiral wrap and coiled spring ends protect the lines from abrasion and kinking while allowing full extension during turns. Built with heavy-duty rubber, brass gladhand fittings, and a sealed 7-way plug for dependable performance in any weather.
Features:
- 💪 Material: Heavy-duty rubber air lines with an ABS-rated 7-way electrical cable
- 📏 Length: 12 ft working length (extends easily during turns)
- ⚙️ Design: 3-in-1 — service air (blue), emergency air (red), and ABS electrical line
- ✅ DOT Certified: Meets DOT standards for tractor-trailer air systems
- 🔩 Fittings: Brass gladhand fittings, sealed 7-way plug, and spring-protected ends
- ❄️ All-Weather: Weather-resistant for reliable year-round performance
- 🚛 Applications: Semi-trucks and tractor-trailers — ideal for owner-operators, fleets, and repair shops
Not sure if this fits your application? Contact us — we'll confirm compatibility before you order.
Standard ground shipping included. Expedited options available at checkout.
Orders placed before 2 PM ship same day. All items in stock and ready to go.
Unused parts in original packaging can be returned within 30 days. No restocking fee.
Need 10+ units? Contact us for dedicated fleet pricing and freight shipping quotes.