Description
World American WA02-7031C sleeve-style cab and seat air spring, a direct aftermarket replacement for Firestone W02-358-7031, Mack 227QS33, Kenworth R81-1001, and Goodyear 1S4-007. Compact 3 in maximum diameter with single-stud top and bottom plates — the standard cab-suspension and air-ride seat air spring on a wide range of Class 8 sleeper and day cab applications.
Signs You Need a New Cab / Seat Air Spring
- Cab or seat sitting lower than normal or sagging on one corner
- Visible cracks, dry rot, or chafing on the rubber sleeve
- Audible air leak at the bag or air fitting
- Harsh ride or excessive cab / seat bounce over bumps
- Air system runs more often than normal to keep the cab or seat at ride height
Specifications
| Manufacturer | World American |
|---|---|
| Part Number | WA02-7031C |
| Part Type | Sleeve-Style Cab / Seat Air Spring |
| Top Plate | 2.84 in dia, 1 stud, parallel |
| Bottom Plate | 2.88 in dia, 1 hole, parallel |
| Maximum Diameter | 3.00 in |
Cross References
This part replaces or is equivalent to the following part numbers:
- Firestone: W02-358-7031, 7031
- Goodyear: 1S4-007
- Mack: 227QS33, 8633-1S4007
- Kenworth: R81-1001
- Holland: G2297001600
- Link: 110010020C, 11010020
- ContiTech: 67770
- Meritor: FS7031
- Euclid: E-FS7031
- Dayton Parts: 353-7031
- Triangle: AS-7031
- Torque: TR7031
Applications
This sleeve-style air spring fits cab-suspension and air-ride seat assemblies originally specified with any of the cross-referenced part numbers, including:
- Mack cab suspensions using 227QS33
- Kenworth cab / seat assemblies using R81-1001
- International cab assemblies using 2501293C1
- Holland and Link air-ride driver seat bases
- Other Class 8 cab / seat air-ride suspensions specified with W02-358-7031
Verify your existing part number, top / bottom stud sizes, and air fitting size before ordering to confirm fitment.
