A8. S8; Right; w/o Sport Suspension; From Vin 4E4005901. A shock absorber is a device that controls the spring oscillations when the vehicle goes over various road irregularities, so the vehicle's tires remain in contact with the road. In some cases, shock absorbers have a secondary function as a suspension limiter to prevent the suspension from either over-extending and/or over-compressing. Air Suspension Spring. Exc.Sport Suspension. Air Suspension. Damper. Strut ASSEMBLY. Suspension Absorber.