Description
Keep your trailer air lines organized, protected, and quick to connect. This 40-inch coiled air brake hose lead helps maintain consistent slack and recoil between tractor and trailer, reducing line drag, minimizing tangles, and lowering the chance of abrasion-related air leaks that can lead to downtime.
Product: Blue Coiled Air Brake Hose, 40″ Lead – World American WA451039 (NBLUE)
Key features with customer value
- 40-inch coiled lead length: Provides a controlled, compact connection that extends and retracts with normal articulation, helping prevent the hose from hanging low or snagging during tight turns and coupling/uncoupling.
- Coiled design: Keeps the line neatly bundled when not under tension, which reduces clutter at the gladhand area and helps protect the hose from road spray and incidental contact.
- Blue color identification (NBLUE): Makes line tracing faster during pre-trip inspections and service, helping you verify connections and spot routing issues sooner.
- World American part number WA451039: Gives you a precise reference for ordering and replacement, reducing fitment guesswork and helping keep fleet parts consistent.
Practical technical details
- Type: Coiled air brake hose lead
- Length: 40 in (coiled lead)
- Color: Blue
- Brand/Part number: World American WA451039
- Category: Automotive
Key benefits
- Reduced wear risk: A coiled lead helps keep the hose off surfaces that can cause rubbing, cutting, or pinching—supporting longer service life.
- Faster hookups and inspections: Compact routing and color visibility help speed up coupling and visual checks.
- Cleaner, safer hose management: The recoil action helps maintain consistent slack, supporting stable routing during normal vehicle movement.
Price: $29.95
Choose World American WA451039 when you want a clearly identifiable blue coiled air brake lead in a 40-inch length that supports tidy routing, quicker service checks, and dependable day-to-day operation.











