Description:
The Firestone W013778529 Air Spring (Air Bag) is a heavy-duty suspension component engineered to provide load support, ride stability, and vibration reduction in commercial trucks and trailers. Built with a reversible sleeve design (1T15ZR6) and reinforced rubber construction, it maintains consistent ride height under load and improves overall vehicle handling.
Features:
Product Type: Air Spring / Air Bag
Brand: Firestone
Part Number: W013778529
Alternate Part Number: W01-358-9781
Bellows Type: Reversible Sleeve
Bellows Number: 1T15ZR6
Material: Reinforced rubber with steel plates
Mount Type: Stud mount (top & bottom)
Air Inlet: 1/4" NPT (typical)
Application: Truck & trailer air suspension
Condition: New
- W013778529
