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(888) 312-8812 Login SignupThe Firestone Suspension Air Spring manages vertical movement between the axle and frame by responding to changes in air pressure within the suspension circuit. When the vehicle encounters load variation, air enters or exits the spring, allowing controlled extension or compression to occur. This process happens repeatedly as road conditions shift, helping the suspension follow terrain changes without mechanical intervention. The air spring operates as part of a broader air-managed suspension system, reacting to pressure balance instead of direct driver control. Its motion supports ride behavior as airflow changes through connected components. In suspension systems, the Firestone W013589101 participates in load-responsive movement control.
| Brand | Part Number |
|---|---|
| AS9101, 1R12-103, 4159NP04, FIW013589101 | |
| AIRTECH | 34159-14 C, 3415914KALU |
| BRAKE & WHEEL | M3515 |
| CONTITECH | 91019P315, AS9101 , AS9101, 64279 |
| DAYTON PARTS | 3529101, 452-9101L |
| FIRESTONE | 1T15M9, 1T15M-9 |
| GOODYEAR | 1R12076 |
| GOODYEAR BELLOWS | 566-24-3-066 |
| GOODYEAR PART | 1R12-103, 1R12-113, 1R12-116 |
| HD VALUE | HDV9101, HDV9101 |
| HOLLAND (NEWAY) | 905-57-008, 905-57-009, 905-57-043, 905-57-082 |
| MERITOR | FS9101, MAF9101 |
| PISTON | 9553 |
| REYCO | 12883-01 |
| RIDEWELL | 1003589101C |
| STEMCO | 1R12-103 |
| TOP PLATE | 3235 |
| TORQUE PARTS | TR9101 |
| TRIANGLE BELLOWS | 6364 |
| TRIANGLE PART | 8315 |
| TRIANGLE SUSPENSION | AS-8315 |
| WORLD AMERICAN | WA01-9101C |
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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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