Description
The HD Value HDV9626 is a rolling-lobe trailer air spring for Hendrickson INTRAAX AAL 23K and AANL 23K suspensions running 12–19 in design ride height. Direct replacement for Firestone W01-358-9626 (1T15L-6), Hendrickson S-23720 / C-23720, and Goodyear 1R11-292. Bellows seats on a 9 in top plate (3306) and a 10.25 in piston (9532).
Signs You Need a New Trailer Air Spring
- Trailer sagging or sitting unevenly when loaded
- Visible cracks, dry rot, or weather-checking on the bellows
- Air leaks — suspension can’t hold ride height
- Excessive trailer bounce or hop when empty
- Uneven tire wear from suspension imbalance
Specifications
| Manufacturer | HD Value |
|---|---|
| Part Number | HDV9626 |
| Part Type | Rolling Lobe Trailer Air Spring |
| Suspension | Hendrickson INTRAAX AAL 23K, AANL 23K |
| Design Height | 12.00–19.00 in |
| Extended Height | 20.70 in |
| Compressed Height | 7.40 in |
| Top Plate | No. 3306, 9.00 in dia. |
| Piston | No. 9532, 10.25 in dia. |
Cross References
This trailer air spring replaces or is equivalent to the following part numbers:
- Firestone: W01-358-9626, W01-455-9626, 9626, 1T15L-6
- Goodyear: 1R11-292
- Hendrickson: S-23720, C-23720, B-23720
- ContiTech: AS9626, 64692, 64717, 68963, 70585
- Automann: AB1DK20J-9626, 566.ER9626
- Dayton: 352-9626
- Meritor: FS9626
- Triangle: 8568, AS-8568
- World American: WA01-9626C
- Torque: TR9626
- Sampa: SP559626-KP
- Airtech: 39626KPP
Applications
This air spring fits the following trailer suspensions:
- Hendrickson INTRAAX AAL 23K (12–19 in ride height)
- Hendrickson INTRAAX AANL 23K
- Hendrickson AA230L series
Representative trailers using these suspensions:
- Wabash, Utility, Great Dane, and Hyundai Translead dry vans
- Refrigerated, flatbed, and heavy-haul trailers spec’d with Hendrickson INTRAAX
Verify your suspension model and ride height configuration before ordering to confirm fitment.









