The 44-273439 replaces original air suspension systems on many Mercedes-Benz and Jaguar models, with air modules, air bags and gas pressure shock absorbers that typically exceed the manufacturers’ OE standards. Each Bilstein B4 Air product connects directly to your Mercedes-Benz’s existing electrical receptacles for easy installation and restoration of the original driving feel. 100% new parts for maximum reliability and safety. When you own a car famous for driving comfort, you want nothing less. Limited 2-year warranty against manufacturer defects.
Bilstein B4 OE Replacement (Air) 44-273439
Upper Mount Type – Special
Lower Mount Type – Clevis
Replaces OEM part Numbers: Mercedes-Benz: 166 320 55 66, 166 320 55 66 80






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