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The Firestone Air Suspension Spring improves ride quality and load handling by replacing steel springs with a durable Airide reversible sleeve design. With an extended height of 15.80 inches, compressed height of 4.90 inches and optimal design height between 8.5 and 9.5 inches, it maintains proper suspension geometry and axle alignment. Natural rubber construction with multiple plies delivers flexibility across temperatures from –54 °C to 57 °C, reducing shock to tires, brakes and other components. Airide springs last longer than steel springs, require little maintenance, and increase tire and brake life. The Firestone W013585423 spring ensures dependable service for heavy-duty trucks and trailers.
| Brand | Part Number |
|---|---|
| W016819093, W016819101, 6389, FIW013585423 | |
| CONTITECH | 66513S559, AS5423, 68127 |
| DAYTON PARTS | 452-5423L |
| FIRESTONE | 1T14C3, 1T14C-3 |
| GRANNING | 5235, 5307 |
| MERITOR | FS5423, MAF5423 |
| PISTON | 9651 |
| TOP PLATE | 3148 |
| TORQUE PARTS | TR5423 |
| TRIANGLE | 8559 |
| TRIANGLE SUSPENSION | AS-8559 |
| TUTHILL TECHNOLOGY | 5235, 5307 |
| WORLD AMERICAN | WA01-5423C |
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