Description
The World American WA01-8033C is a premium aftermarket triple convoluted air spring engineered for Hendrickson auxiliary and trailer suspensions. This air spring features a durable aluminum base plate with 45-degree mounting alignment, delivering reliable load support and enhanced ride quality for heavy-duty commercial vehicle applications.
Signs You Need a New Air Spring
- Visible cracks, dry rot, or deterioration in the rubber bellows
- Cab or trailer sitting lower than normal on one side
- Audible air leaks or hissing sounds near the suspension
- Excessive bouncing, harsh ride, or reduced load-carrying stability
Specifications
| Manufacturer | World American |
|---|---|
| Part Number | WA01-8033C |
| Part Type | Air Spring – Triple Convoluted |
| Extended Height | 18.90″ |
| Compressed Height | 4.55″ |
| Design Height | 12.00″ |
| Top Plate Diameter | 9.00″ |
| Bottom Plate Diameter | 9.00″ |
| Bottom Plate Center-to-Center | 2.25″ |
| Maximum Diameter | 11.70″ |
| Bottom Plate Holes | 4 |
| Bottom Plate Type | Aluminum |
| Bottom Plate Alignment | 45 Degree |
| Load Rating @ 80 PSI | 5,130 lbs |
| Load Rating @ 100 PSI | 6,400 lbs |
| Natural Frequency | 84 Hz |
| Firestone Bellows Number | 38D |
| Firestone Top Plate | 3271 |
| Firestone Piston | 3292 |
| Warranty | 1 Year / 100,000 Miles |
Cross References
This part replaces or is equivalent to the following part numbers:
- Firestone: W01-358-8033, 8033
- Hendrickson: S-14487, C-14487, B-14487, 003316
- Goodyear: 3B12-312, 578-93-3-100
- ContiTech: FT 330-29 525, 64569, 64571
- Triangle: 4525, AS-4525
- Automann: ABSP3B22R-8033, 566.ER8033
- Watson & Chalin: AS-0168G
- Dayton: 354-8033
- Meritor: FS8033
- PACCAR: AS80330
Applications
This triple convoluted air spring fits the following suspensions:
- Hendrickson trailer suspensions (S-14487 ride bag application)
- Hendrickson auxiliary suspensions (003316 metric version)
- Hendrickson Pararev Ultra suspensions
- Watson & Chalin truck and trailer suspensions
- Various heavy-duty commercial truck and trailer applications
Verify OEM part number and vehicle application before ordering to confirm fitment. Air springs must be matched by dimensions and mounting configuration.









