Description
Predator HD W01-358-8813PHD is a heavy-duty cab and suspension air spring directly replacing Firestone W01-358-8813 (also W01-M58-8813), Goodyear 1R12-1204, and ContiTech AS8813 / 65990. Used as a primary cab-air or rear-axle suspension spring on Class 8 trucks, the bag mounts between 6.5″ collapsed and 17.72″ fully extended, with a normal design height range of 10.5–12.5″.
Specifications
| Manufacturer | Predator HD Parts |
|---|---|
| Part Number | W01-358-8813PHD |
| Part Type | Reversible Sleeve Air Spring |
| Design Height | 10.5″ – 12.5″ |
| Minimum Collapsed Height | 6.5″ |
| Maximum Extended Height | 17.72″ |
| Construction | Heavy-duty rubber over steel piston |
Cross References
This air spring replaces or is equivalent to the following part numbers:
- Firestone: W01-358-8813
- Goodyear: 1R12-1204
- ContiTech: AS8813, 65990, 9 10-14 P 577
- Kenworth: C81-1003, C81-1012
- Peterbilt: C81-6000
- TRP: AS88130
- World American: WA01-8813C, WA01-1012
- Newstar: S26877
- Triangle: AS-8577
- Spring Pro: 888813
- Taurus: 6362
- Automann: 1DK23I-8813
Applications
This air spring is used as cab-air or rear-axle suspension air bag on Class 8 trucks using the Firestone W01-358-8813 / Goodyear 1R12-1204 envelope:
- Kenworth W900, T800, T600, T660, T680, T880 (cab-air mount)
- Peterbilt 379, 378, 357, 387, 388, 389, 567, 579 (cab-air mount)
- Various trailer suspensions specifying the Firestone W01-358-8813 air bag
Verify mounting hardware (stud / bead-plate / blind-bead), inflation pressure, and existing bag dimensions against this part before ordering. Inflate only with the suspension at design height to avoid over-extension.









