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(888) 312-8812 Login SignupThe Firestone Suspension Air Spring uses pressurized air to support vehicle load and allow controlled vertical movement between the axle and frame. As road conditions change, air pressure inside the spring shifts through the suspension system to absorb motion and manage ride behavior. When load increases or decreases, the spring expands or compresses in response, allowing the suspension to adapt without mechanical adjustment. Air enters and exits through suspension controls as conditions change, supporting consistent chassis movement. This interaction continues throughout vehicle operation. The Firestone W013589634 supports air-based load management within suspension assemblies designed for controlled ride response.
| Brand | Part Number |
|---|---|
| W013778531, W013779752, W013779753, W013779754, W013779755, W013779771, W013779772, FIW013589634 | |
| CONTITECH | AS9634, 65361 |
| DAYTON PARTS | 452-9634L |
| FIRESTONE | 1T15ZR3, 1T15MT-3 |
| FREIGHTLINER | 1614263000, 1614263001, 1615443000, 1615443001, 1615444000, 1619470000, A1618333000, A1618333001, 16-14263-000, 16-14263-001, 16-15443-000, 16-15443-001, 16-15444-000, A16-18333-000, A16-18333-001 |
| MERITOR | FS9634 |
| PISTON | 9550 |
| STEMCO | 1R12-617, 1R12-620, 1R12-621, 1R12-622, 1R12-631, 1R12-636 |
| TOP PLATE | 3404 |
| TRIANGLE SUSPENSION | AS-8575 |
| WORLD AMERICAN | WA01-9634C |
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Headquartered in Nashville, Tennessee, Firestone Industrial Products® is a proud manufacturer of air spring and other anti-vibration solutions to heavy duty trucks, trailers, commercial vehicles, rail cars, and industrial equipment. It has come a long way since it revolutionized transportation with the introduction of the Airide™ Air Spring in 1938. Today, Firestone is more than just an air spring manufacturer—it’s a global leader and a local partner that sees solutions where others see obstacles. Both OEMs and everyday consumers trust this brand for their air suspension needs because of its unwavering commitment to quality and reliability. All Firestone parts are engineered and tested in ISO-certified facilities to ensure they meet the strictest standards and customer specifications.
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