Bilstein B4 OE Replacement Air Suspension Strut

The Bilstein B4 OE Replacement Air Suspension Strut series is engineered for drivers who demand factory-quality performance when restoring their vehicle's original air suspension system. As a long-standing original equipment supplier to major European automakers, Bilstein designs every strut in the B4 line to meet or exceed the precise tolerances and performance standards set by vehicle manufacturers — delivering authentic ride quality without compromise.

Key Features:

• True OE Replacement Design: Engineered as a direct, plug-and-play replacement for factory air suspension systems, requiring no modifications or adapter hardware
• OE Supplier Pedigree: Built to the same specifications Bilstein provides to European automakers as a trusted original equipment partner
• Restores Factory Performance: Returns ride comfort, handling precision, and suspension response to original manufacturer specifications
• Seamless System Integration: Designed for full compatibility with existing vehicle connectors, mounting points, and electronic air suspension control systems
• Premium Materials and Construction: Manufactured under Bilstein's rigorous quality control standards for long-term durability and reliability
• Cost-Effective Alternative to Dealer Parts: Delivers genuine OE-level quality at a competitive price point compared to dealer-sourced components

Bilstein's B4 line is the trusted choice for restoring vehicles equipped with factory air suspension — combining decades of suspension engineering expertise with modern manufacturing precision. Whether the application uses electronically controlled adaptive damping or a standard air spring strut configuration, each B4 OE Replacement Air Suspension Strut is built to seamlessly reintegrate into the vehicle's suspension system, preserving the refined, dynamic character the vehicle was designed to deliver.