Description
HD Value HDV9270 is the aftermarket rolling-lobe trailer air spring for Hendrickson HT230T and similar trailer suspensions, replacing Hendrickson C20010 / S20010 / S21208 / S25559, Firestone W01-358-9270, and Goodyear 1R13-119. 8.8″ design height, 12.6″ maximum diameter, 8,200 lb load at 100 PSI. Single-stud top, 4-hole bottom plate (11″ base / 2.25″ center-to-center).
Signs You Need a New Air Spring
- Trailer or chassis sits low or leans to one side at rest
- Audible air leak from the air spring; trailer air system bleeds down overnight
- Visible cracks, blisters, weather checking, or tears in the rolling-lobe sleeve
- Harsh ride from the suspension over expansion joints; cargo damage from impact
- Bead unseated from the top or bottom plate; rubber pulled away from the bead retainer
Specifications
| Manufacturer | HD Value |
|---|---|
| Part Number | HDV9270 |
| Replaces (OEM) | Hendrickson C20010 / S20010; Firestone W01-358-9270 |
| Part Type | Rolling Lobe Air Spring (trailer / chassis suspension) |
| Design Height | 8.8 in |
| Maximum Height | 17.7 in |
| Minimum Height | 5.5 in |
| Maximum Diameter | 12.6 in |
| Load Rating @ 100 PSI | 8,200 lb |
| Load Rating @ 80 PSI | 6,560 lb |
| Top Plate | 9 in dia, 1 stud |
| Bottom Plate | 9.5 in dia, 4 holes, 2.25 in center-to-center, parallel |
Cross References
This rolling-lobe air spring replaces or is equivalent to the following part numbers:
- Hendrickson: C20010, S20010, S21208, S25559, C25559
- Firestone: W01-358-9270, 9270, 9276
- Goodyear: 1R13-119, 1R13077, 1R13102
- HD Value: HDV9270
- World American: WA01-9270C
- Continental ContiTech: 9 10-13.5 S 433, 5S433
- Triangle: AS-8433
- Automann: AB1DK23S-9270
- Torque: TR9270
- Volvo: 3946473
- Also known as: 64287, 85101147, 410.M9270, 889270
Applications
This air spring fits trailer and tractor air-ride suspensions specifying the C20010 / W01-358-9270 envelope, including:
- Hendrickson HT230T trailer air-ride suspension
- Volvo chassis using Hendrickson trailer-style air-ride
- Trailer OEMs using the Firestone 9270 envelope
Verify the bead plate stud pattern, hose port location, and design height against the failed unit before ordering. Trailer rolling-lobe air springs of similar load class are not interchangeable across stud patterns.









