Aerosus rear shock absorber replace the original shock absorber of your vehicle & offer you maximum ride comfort with high durability. Security, accuracy of fit & quality of the product match the original part. This brand new shock absorber fits the VOLVO S80 from 2006 to 2016 on the left or right side of the rear axle, which has an active " Four C" suspension. The active chassis " Four C" (Continuously Controlled Chassis Concept) regulates the properties of the shock absorbers so that the driving characteristics of the vehicle can be adjusted. There are three settings: Comfort, Sport & Advanced. Comfort With this setting, the vehicle is perceived as more comfortable on rough & uneven road surfaces. The shock absorption is soft & the movements of the body are obedient & pleasant. Sports With this setting, the vehicle appears sportier. The setting is recommended for a more active driving style. The steering reacts faster than in the Comfort setting. The damping is set harder & the body follows the road in order to reduce the side tilt of the vehicle when cornering. Advanced This setting is only recommended on really flat & flat roads. The shock absorbers are optimized for maximum traction properties & the lateral position in curves is further reduced. Aerosus Shock Absorber are made from high-quality materials & are covered by a 2-year limited warranty & a 30-day money-back guarantee. All our strut modules are new, high-performance parts. Our shock absorber are designed for superior ride quality by adjusting quickly to different road & vehicle conditions, while offering ultimate safety & functionality. All Aerosus products provide you with an ultimate driving experience. Features High-quality Shock Absorber Security & durability Maximum ride comfort Adjustable to different road & vehicle conditions Safe load carrying capacity & stability Ready to install Thousands of satisfied customers worldwide