Description
The ContiTech AS9026 is an OE-quality rolling lobe air spring engineered as a direct replacement for Peterbilt Low Air Leaf drive axle suspensions. As an original equipment manufacturer for PACCAR trucks, ContiTech (a division of Continental AG) delivers ISO/TS-compliant quality with precise manufacturing tolerances for consistent ride height, superior load capacity, and long-term durability in demanding Class 8 highway and vocational applications.
Signs You Need a New Air Spring
- Visible cracks, dry rot, or deterioration in the rubber bellows
- Truck riding lower than normal or sitting unevenly side-to-side
- Air leaks or hissing sounds from the drive axle suspension
- Excessive bouncing, poor handling, or reduced ride quality
Specifications
| Manufacturer | ContiTech (Continental AG) |
|---|---|
| Part Number | AS9026 (64104, 64306) |
| ContiTech Bellows Number | 9 10-16 P 393 |
| Firestone Bellows Number | 1T15M-6 |
| Part Type | Air Spring – Rolling Lobe |
| Design Height | 13.50 inch |
| Extended Height | 21.50 inch |
| Compressed Height | 6.70 inch |
| Top Plate Diameter | 9.00 inch |
| Top Plate Center-to-Center | 6.20 inch |
| Bottom Plate Diameter | 10.28 inch |
| Maximum Diameter | 12.60 inch |
| Load Rating at 80 PSI | 5,500 lbs |
| Load Rating at 100 PSI | 7,000 lbs |
| Bottom Plate Type | Plastic |
Cross References
This part replaces or is equivalent to the following part numbers:
- Peterbilt / PACCAR: 03-06213, 03-07111, AS90260
- Firestone: W01-358-9026, W01-703-9026, W01-703-8926, 9026
- Goodyear: 1R12-567, 1R12-907
- ContiTech: 64104, 64306, 65040, 68900
- Triangle: AS-8393, 8393
- Automann: AB1DK23K-9026
- HD Value: HDV9026
- Meritor: FS9026
- World American: WA01-9026C
- Dayton: 352-9026, 452-9026L
- SAF Holland Goldline: G2299026200
Applications
This rolling lobe air spring fits Peterbilt Low Air Leaf (pre-2003) drive axle suspensions on the following trucks:
- Peterbilt 330 (1997-2004)
- Peterbilt 335 (1997-2004)
- Peterbilt 357 (1997-2004)
- Peterbilt 362 (1997-2000)
- Peterbilt 377 (1997-2000)
- Peterbilt 378 (1997-2004)
- Peterbilt 379 119 BBC and 127 BBC (1987-2004)
- Peterbilt 385 (1997-2004)
Note: This air spring fits the early Low Air Leaf suspension (pre-2003). For 2003+ New Low Air Leaf / AG400L suspensions, see Firestone W01-358-8864. Verify OEM part number before ordering to confirm correct fitment for your specific suspension.









