Description
The World American WA01-9307C is a premium aftermarket rolling lobe air spring designed for SAF Holland Neway AR-41, AR-45, and AR-45-1 truck suspensions. This compact air spring delivers reliable load support and smooth ride quality for heavy-duty vocational truck applications, engineered to meet OEM specifications with a plastic base for optimized weight and performance.
Signs You Need a New Air Spring
- Visible cracks, dry rot, or deterioration in the rubber bellows
- Truck sitting lower than normal or uneven ride height
- Air leaks or hissing sounds from the suspension
- Excessive bouncing, harsh ride, or reduced stability under load
Specifications
| Manufacturer | World American |
|---|---|
| Part Number | WA01-9307C |
| Part Type | Air Spring – Rolling Lobe |
| Extended Height | 12.90″ |
| Compressed Height | 4.50″ |
| Design Height | 7.50″ |
| Top Plate Diameter | 9.00″ |
| Top Plate Center-to-Center | 5.50″ |
| Bottom Plate Diameter | 9.53″ |
| Maximum Diameter | 12.60″ |
| Top Plate Holes | 2 |
| Bottom Plate Holes | 1 |
| Bottom Plate Type | Plastic |
| Bottom Plate Alignment | Parallel |
| Load Rating @ 80 PSI | 5,570 lbs |
| Load Rating @ 100 PSI | 7,000 lbs |
| Natural Frequency | 81 Hz |
| Firestone Bellows Number | 1T15M-.5 |
| Warranty | 1 Year / 100,000 Miles |
Cross References
This part replaces or is equivalent to the following part numbers:
- Firestone: W01-358-9307, 9307
- SAF Holland / Neway: 90557129
- Goodyear: 1R12-435, 1R12-095
- ContiTech: 9 10-10 P 471, 64439
- Triangle: 8471, AS-8471
- Automann: AB1DK23F-9307
- Dayton: 352-9307
- Meritor: FS9307
- PACCAR: AS93070
Applications
This rolling lobe air spring fits the following suspensions:
- SAF Holland Neway AR-41 drive axle suspensions
- SAF Holland Neway AR-45 drive axle suspensions
- SAF Holland Neway AR-45-1 drive axle suspensions
- Vocational truck applications (construction, refuse, heavy-haul)
Verify OEM part number and vehicle application before ordering to confirm fitment. Air springs must be matched by dimensions and mounting configuration.
