Genuine OEM Volkswagen Rear Gas Shock Absorber, part number 5Q0513049ER. This critical suspension component is designed for the rear axle, working in conjunction with the coil spring to control unwanted spring oscillation and absorb road impacts. Its primary function is to dampen suspension movement, ensuring tire contact with the road, improving handling, and providing a comfortable ride. Weighing approximately 1.79 kg, this gas shock absorber is engineered to precise damping characteristics. Choosing a genuine OEM shock absorber guarantees the correct valving, stroke length, and mounting points, which are essential for maintaining the vehicle's intended ride quality, stability, and safety under various driving conditions.