Description
ContiTech AS9626 is a rolling lobe air spring for Hendrickson Intraax and Vantraax trailer suspensions, replacing Firestone W01-358-9626 (1T15L-6 bellows) and Hendrickson S-23720, C-23720, and B-23720. ContiTech (Continental AG) is the original-equipment supplier behind many trailer air-spring programs, and the AS9626 matches OE dimensions for 12-19″ ride-height applications.
Signs You Need a New Air Spring
- Visible cracks, dry rot, or deterioration in the rubber bellows
- Trailer riding lower than normal or sitting unevenly
- Audible air leaks or hissing from the suspension area
- Excessive bouncing or rough ride under load
Specifications
| Manufacturer | ContiTech (Continental AG) |
|---|---|
| Part Number | AS9626 (64692) |
| ContiTech Bellows | 9 9-16 P 568 |
| Firestone Bellows | 1T15L-6 |
| Part Type | Rolling Lobe Air Spring |
| Extended Height | 20.70 in |
| Compressed Height | 7.40 in |
| Design Height | ~13.00 in |
| Top Plate Diameter | 9.00 in |
| Piston Diameter | 10.25 in |
Cross References
This part replaces or is equivalent to the following part numbers:
- Hendrickson: S-23720, C-23720, B-23720
- Firestone: W01-358-9626, 9626
- Goodyear: 1R11-292
- ContiTech: 64692, 64717, 68963, 70585, 9 9-16 P 568
- Triangle: AS-8568, 8568
- Automann: AB1DK20J-9626
- HD Value: HDV9626
- Also known as: 39626KPP, 280-9626, TR9626, 889626
Applications
This rolling lobe air spring fits the following Hendrickson trailer suspensions (12-19″ ride height):
- Hendrickson Intraax AAL 23K primary suspensions
- Hendrickson Intraax AANL 23K primary suspensions
- Hendrickson Intraax SP AAZL 23K/46K platform slider suspensions
- Hendrickson Vantraax HKARL 46K ramp-ready slider suspensions
Common trailer types using these suspensions: dry van, refrigerated, flatbed/platform, and specialty/vocational trailers.
Verify OEM part number and suspension model before ordering to confirm fitment. Air springs must be matched by dimensions and mounting configuration.









