Gas pressure makes the difference.

Having originally developed the mono-tube gas-pressure shock absorber for series production over 6 decades ago, Bilstein are the go-to supplier for gas-pressure shocks for just about any passenger vehicle.

Featuring OEM quality, superior handling and comfort characteristic and optional constant damping under a wider range of loads and conditions, Bilstein's B4 range cuts the perfect compromise between quality, reliability and performance.

Bilstein's B4 range is available in both monotube and twin-tube designs, as shocks, struts, inserts, air shocks and electronically controlled active systems to provide direct OEM replacements for most every late model vehicle where a comparable alternative to the OEM product is desired. Bilstein's B4 series is the perfect way to get your vehicle riding like new.