Hendrickson S20901 Air Spring Replacement | WA01-8091C
Where to Buy
We've found trusted online retailers that offer this or compatible versions of the product. You can explore your options below:
- Amazon (Free Shipping) 154.36
Make sure to verify compatibility with your vehicle or equipment before ordering. Prices and availability may vary by supplier and may not reflect current promotions or changes.
Some of the links above are affiliate links, which means we may earn a small commission if you make a purchase through these links at no additional cost to you. This helps support our site and allows us to continue providing helpful product information.
World American WA01‑8091C Air Spring │ Replaces Firestone W01‑358‑8091
The World American WA01‑8091C rolling‑lobe air spring is engineered to match OEM-level performance in trailer suspension systems originally equipped with Firestone W01‑358‑8091 or Hendrickson S‑20901. Designed for stable ride height, high load capacity, and precision alignment, this direct-fit replacement delivers dependable durability and smooth damping under heavy loads.
World American WA01‑8091C Specifications
| Manufacturer | World American (Midwest Truck & Auto Parts) |
| Part Number | WA01‑8091C |
| Spring Style | Rolling Lobe |
| Compressed Height | 5.1 in |
| Design Height | 10 in |
| Maximum Height | ≈ 19.3 in |
| Minimum Height | ≈ 5.1 in |
| Maximum Diameter | ≈ 14.1 in |
| Top Plate Diameter | 11.31 in |
| Top Plate C‑to‑C Diameter | 5.5 in |
| Bottom Plate Diameter | 10.16 in |
| Bottom Plate Alignment | Parallel |
| Natural Frequency | 74 Hz |
| Load Rating @ 100 psi | 10,250 lb |
| Load Rating @ 80 psi | 8,200 lb |
| Warranty | 1 year or 100,000 mi |
World American WA01‑8091C Cross References
| Manufacturer | Part Number |
|---|---|
| Firestone | W01‑358‑8091 / 8091 |
| ContiTech | AS8091 / 11105A16P523 / 64421 |
| Goodyear | 1R14‑171 / 1R14‑093 |
| Hendrickson | S‑20901 / S‑21784 |
| Meritor | FS8091 / A2258P1576 |
| Triangle | AS‑8523 / 8523 |
| Automann | AB1DK28E‑8091 |
| Paccar Parts | AS80910 |
| Euclid | E‑FS8091 |
| Torque Parts | TR8091 |
| Batco | 10‑98091 |
| World American | WA01‑8091C |
The WA01‑8091C is built using high-grade elastomer and aluminum plate construction, offering precise fit, long-lasting resilience, and consistent performance under demanding trailer conditions. Its rolling‑lobe design ensures low vibration and controlled suspension travel—ideal for vintage and modern Hendrickson systems.
Please verify part fitment by comparing your existing part number and vehicle application before purchase and installation.