BILSTEIN has a legendary reputation for providing original equipment components to many of the world’s finest vehicle manufacturers. The BILSTEIN B4 Series provides the same OEM quality and ride stability for the aftermarket. BILSTEIN uses both monotube and twin-tube technology to give the best in OE replacement driving comfort at a great economical price. *Product Benefits:* * Constant damping characteristics under any load * Consistent performance and handling give the vehicle a new car feel every time * Proven BILSTEIN gas pressure technology * High OEM quality standards *BILSTEIN B4 Air Suspension Modules* BILSTEIN engineers worked closely with Mercedes-Benz to develop a top-of-the-class suspension for their top-of-the-line models and the results are the air suspension system. The Mercedes-Benz S-Class (W220/C215) has this system to thank for its famed driving comfort and is also one of the world’s first series production vehicles to be equipped with active springs and dampers. *Product Benefits:* * High OEM quality standards * Proven BILSTEIN gas pressure technology * Responds to street and vehicle conditions in milliseconds for instant adaptivity * Provides excellent comfort and perfect driving characteristics PartNumber : bil19-019680 Description : B4 OE Replacement - Shock Absorber Series : B4 OE Replacement Boot Included : No Internal Design : Twintube Lower Mount Type : Eye 10.2mm Upper Mount Type : Stem Finish : Black Paint Title : Bilstein Shock Absorbers California Proposition 65 : WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov Position : Rear 1980 Audi 4000 Base L4.1588cc Suspension::Shocks and Struts 1982-1983 Audi 4000 Base L4.1588cc Suspension::Shocks and Struts 1981-1983 Audi 4000 Base L4.1715cc Suspension::Shocks and Struts 1980-1983 Audi 4000 Base L5.2144cc Suspension::Shocks and Struts 1982-1983 Audi 4000 GT L4.1715cc Suspension::Shocks and Struts 1982-1983 Audi 4000 GT L5.2144cc Suspension::Shocks and Struts 1982-1983 Audi 4000 S L4.1588cc Suspension::Shocks and Struts 1982-1983 Audi 4000 S L4.1715cc Suspension::Shocks and Struts 1984-1987 Audi 4000 S L4.1780cc Suspension::Shocks and Struts 1982-1983 Audi 4000 S L5.2144cc Suspension::Shocks and Struts 1988-1990 Audi 80 Base L4.1983cc Suspension::Shocks and Struts 1991-1992 Audi 80 Base L5.2309cc Suspension::Shocks and Struts 1988 Audi 90 Base L4.1983cc Suspension::Shocks and Struts 1988-1989 Audi 90 Base L5.2309cc Suspension::Shocks and Struts 1981-1984 Audi Coupe Base L5.2144cc Suspension::Shocks and Struts 1984-1985 Audi Coupe Base L5.2226cc Suspension::Shocks and Struts 1986-1987 Audi Coupe GT L5.2226cc Suspension::Shocks and Struts 1987 Audi Coupe GT L5.2309cc Suspension::Shocks and Struts