Description
The Firestone W01-455-9297 is a heavy-duty trailer air spring used on the Hendrickson HAS-40LH (and related HT-series) trailer suspension. It replaces Hendrickson 50898-001, 50898-002 / 50898-002L, 64651-2, Goodyear 1R12-402 / 1S12-029, and Contitech 64410 / 66978. Extended height 22.00 in, compressed height 8.10 in.
Signs You Need a New Air Spring
- Trailer sits low or unevenly across the axle
- Audible air leak from the bellows or bead plate
- Air system runs continuously to maintain ride height
- Visible cracks, chafing, or bulges on the rubber sleeve
- Harsh ride or premature wear on adjacent suspension components
Specifications
| Manufacturer | Firestone (Airide) |
|---|---|
| Part Number | W01-455-9297 |
| Alternate Number | W01-358-9297 |
| Part Type | Trailer Air Spring |
| Suspension | Hendrickson HAS-40LH / HT-Series |
| Extended Height | 22.00 in |
| Compressed Height | 8.10 in |
Cross References
This air spring replaces or is equivalent to the following part numbers:
- Firestone: W01-358-9297 (W013589297), W01-455-9297 (W014559297), 9297
- Goodyear: 1R12-402, 1S12-029
- Hendrickson: 50898-001, 50898-002, 50898-002L, 50898-2, 64651-2
- Contitech: 64410, 66978, 9 10-18.5 P 520, 9 10-18.5 P 935
Applications
This air spring fits trailer suspension applications using:
- Hendrickson HAS-40LH trailer suspension
- Hendrickson HT-Series trailer suspension
Common on heavy-duty over-the-road trailers, dump trailers, and tank trailers built with Hendrickson primary trailer air suspension.
Verify your suspension model and existing bead plate / piston geometry before ordering to confirm fitment.









