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(888) 312-8812 Login SignupUneven ride height or reduced suspension travel often points to air spring wear, and the Firestone Suspension Air Spring is built to restore the air-cushioned support the suspension depends on. Its reversible sleeve design allows the spring to compress and extend through suspension travel while responding to changing load conditions. That air-operated movement helps the suspension maintain a more even ride height and absorb road input more effectively during operation. With a compressed height of 7.20 inches and an extended height of 21.70 inches, it is sized for applications that require this specific air spring profile. Once installed, the Firestone W013589121 lets the suspension cycle with the travel and cushioning needed for normal vehicle operation.
| Brand | Part Number |
|---|---|
| 4810N03, 566263018, 566263051/018, FIW013589121 | |
| AIRTECH | 39121K, 39121 C |
| BRAKE & WHEEL | M3517 |
| CONTITECH | AS9121, 64272 |
| DAYTON PARTS | 452-9121L |
| FIRESTONE | 1T19L7, 1T19F-7, 1T19L-7 |
| GOODYEAR | 1R11918, 1R13039, 1R13-039 |
| GOODYEAR BELLOWS | 566-26-3-051 |
| GOODYEAR PART | 1R13-039, 1R13-043, 1R13-049 |
| HOLLAND (NEWAY) | 905-57-010, 905-57-019, 905-57-052, 905-57-078, 905-57-083 |
| MERITOR | FS9121, MAF9121 |
| PISTON | 9657 |
| POWER10 PARTS | AB-1R13-039 |
| REYCO | 12882-02 |
| RIDEWELL | 1003589121C |
| TOP PLATE | 3388 |
| TORQUE PARTS | TR9121 |
| TRIANGLE BELLOWS | 6365 |
| TRIANGLE PART | 8317 |
| TRIANGLE SUSPENSION | AS-8317 |
| WORLD AMERICAN | WA01-9121 |
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