Firestone 533556 Airide Air Spring Replacement Air Bag

The Firestone 533556 is a genuine Airide™ air spring (air bag) from Firestone Industrial Products, the world's original and leading manufacturer of air springs. Engineered as a direct OEM-grade replacement, this air spring is designed to restore proper ride height, load support, and suspension performance in heavy-duty truck, trailer, bus, or commercial vehicle applications.

Key Features:

• Genuine Firestone Airide™ air spring — the industry's most trusted brand since patenting the first air spring in 1938
• Engineered to meet or exceed original equipment specifications for precise fit and function
• Constructed with high-quality reinforced rubber and durable end components for long service life
• Provides superior vibration isolation and load-leveling performance
• Designed to outlast other suspension components including shocks, bushings, and leveling valves
• Manufactured using Firestone's proprietary Finite Element Analysis (FEA) software for precision quality control
• Backed by Firestone's warranty against material defects and workmanship

Firestone Airide air springs are original equipment on the majority of North American trucks and trailers, and replacement springs are available for virtually every vehicular air suspension system. The 533556 is a direct-replacement unit engineered for trouble-free service across thousands of miles of operation.