Description
The Goodyear 1R12-523 is a heavy-duty rolling lobe air spring engineered for truck and trailer suspension systems. Designed as a direct OEM replacement for Mack 8633-1R12523, this proven air spring delivers consistent ride height, superior load capacity, and reliable damping. Ideal for long-haul over-the-road and vocational trucks.
Specifications
| Category | Air Springs |
|---|---|
| Design Style | Rolling Lobe |
| Manufacturer | Goodyear (OEM-equivalent) |
Cross References
This part replaces or is equivalent to the following part numbers:
- Mack: 8633-1R12523
- Continental-ContiTech: 73745
- Dayton Parts: 352-9876
- Firestone: W01-358-1190, W01-358-9876, 9876
- Goodyear: 1R12-523
- Meritor: FS1190, FS9876
- Navistar: 3541732C1
Applications
This rolling lobe air spring is used on truck and trailer suspensions for:
- Tractor units (front/rear)
- Trailer suspensions
- Over-the-road and vocational trucks
Always verify original part number and suspension configuration before ordering to ensure proper fitment.
