Genuine OEM Audi Gas-Filled Hydraulic Shock Absorber, part number 8J0513029K. This shock absorber is a crucial component of the vehicle's suspension system, responsible for damping spring oscillations and controlling wheel movement. It is typically located at the rear of the vehicle, attached to the suspension control arm and the chassis. This part is a gas-filled hydraulic unit, designed for optimal performance and ride comfort. Genuine OEM parts are manufactured to precise specifications, ensuring correct damping characteristics and long service life.