Heavy-duty 2B 5202-D double convoluted air spring engineered for maximum load-bearing capacity and durability in commercial truck applications. Precision-molded with high-grade rubber compounds reinforced with embedded polyester cord for superior tear resistance and extended service life. Seamless vulcanization process ensures airtight performance under extreme pressure fluctuations.

Direct replacement for Firestone W01-358-7025 with OEM-equivalent specifications including identical mounting points and compressed/expanded height tolerances. Multi-layered design features internal bumper stops to prevent bottoming out during overload scenarios.

Ideal for long-haul freightliners, dump trucks, and vocational vehicles requiring responsive suspension adjustment. Compatible with standard pneumatic systems for automatic leveling and vibration damping.

Batch-tested under ISO 9001 standards with corrosion-resistant steel end plates. Ships in bulk quantities with manufacturer-direct pricing for fleet operators and wholesale distributors.