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Bring ride-height support back to a compatible Kenworth or heavy-duty suspension with the ContiTech Air Suspension Spring. Cross-references to ContiTech 64255 and Firestone W01-358-9422 provide another identification path for the ContiTech AS9422. The bellows carries vehicle weight on compressed air and changes shape as the axle travels, helping isolate the chassis from repeated road movement. Those references can narrow the replacement choice for your heavy-duty truck when the old spring number is readable, while the suspension application still provides the fit context.
| Part Type | Air Spring |
| Style | Rolling Lobe |
| Brand | Part Number |
|---|---|
| K303-6, K303-14 , 9422 | |
| AUTOMANN | 1DK20D-9422 |
| CONTITECH | 64255 |
| FIRESTONE | W01-358-9422 , W01-358-9422 |
| FIRESTONE STYLE | 1T15L-1.5 |
| FLEETPRIDE | AS9422 |
| Firestone | K303-14, K303-6 |
| GOODYEAR | 1R11-028 |
| GOODYEAR FLEX | 566243021 |
| HD VALUE | HDV9422 , HDV9422 |
| No Brand | 1T15L-1.5, AS9422, 9422, AS-PR9L12, 6368 |
| Others | 566243021 |
| PRIMERIDE | AS-PR9L12 |
| TAURUS | 6368 |
| TRIANGLE | AS-8314 |
| TRP | AS94220 |
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