Description
PAI Industries 804270 cab air spring replaces Mack 21165207 / 8633-1S5171 and Volvo 21165207 / 8074629 / 20462622 on Mack Vision and Vision II cab-mount air-ride suspensions, with shared fitment on Volvo VNL chassis using the same 21165207 air spring. Crosses to Goodyear 1S5-171.
Signs You Need a New Cab Air Spring
- Bouncy or harsh cab ride over bumps and uneven pavement
- Visible cracks, dry rot, or rubber deterioration on the air spring
- Cab sits low on one side or sags after overnight parking
- Audible air leak or hiss from the cab suspension area
- Air compressor cycling more frequently than normal
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 804270 |
| Part Type | Cab Air Spring |
| Replaces OEM | Mack / Volvo 21165207 |
Cross References
This part replaces or is equivalent to the following part numbers:
- Mack: 21165207, 8633-1S5171
- Volvo: 21165207, 8074629, 20462622
- Goodyear: 1S5-171 (GYR1S5171)
Applications
This cab air spring fits the following chassis families:
- Mack Vision (CX-series) cab-mount air-ride suspension
- Mack Vision II cab-mount air-ride suspension
- Volvo VNL cab-mount air-ride suspension using the 21165207 / 8074629 / 20462622 air spring
Verify mounting configuration and dimensions against your existing air spring before ordering. Cab air springs vary by application and are not interchangeable based on truck make/model alone.
