Firestone 20668 Airide Air Spring Heavy-Duty Suspension Air Bag

The Firestone 20668 is a heavy-duty Airide air spring designed for commercial truck, trailer, and bus suspension systems. Engineered by Firestone Industrial Products — the world's leading manufacturer of air springs — this air spring delivers consistent ride quality, improved load-carrying capacity, and reduced vibration in demanding on- and off-highway applications.

Firestone Airide air springs are trusted by OEM manufacturers and fleet operators worldwide for their durability, precision engineering, and long service life. The 20668 is built to meet or exceed original equipment specifications, making it a reliable direct replacement for worn or failed air springs.

Key Features:

• OEM-quality construction for commercial truck, trailer, and bus applications
• Engineered rubber and reinforced fabric/cord layers for structural integrity and airtight performance
• Designed to improve ride quality and reduce chassis stress under heavy loads
• Resistant to high pressure and extreme temperature variations
• Manufactured by Firestone Industrial Products, the global leader in air spring technology
• Direct OEM replacement — installs in place of the original air spring without modification

Firestone has been designing and manufacturing air springs since 1934, and the Airide product line is backed by decades of research, development, and real-world validation across millions of commercial vehicle applications.