- Enhanced Ride Comfort: Reduces vibration and road shock, improving driver comfort and minimizing cab movement during operation.
- Compatible with: 21338453, 24417728 / 579-120-054-00037 / 1S5-156, 1S6-054
- Quality Tested for Durability: 100% air leak tested before shipment to ensure dependable performance under load and varying road conditions.
- Direct Fit & Easy Installation: Designed for precise fitment with compatible semi-truck models. No modification required when installed correctly.
- WARRANTY AND FITMENT ASSURANCE: Our confidence in the quality of our air spring bags is affirmed by a trusted 3-year unlimited mile warranty, underscoring our commitment to product excellence and superior customer service




















































