Genuine OEM Audi Rear Left Lower Control Arm, part number 4F0505311L. This critical suspension component connects the wheel hub to the chassis, playing a vital role in maintaining wheel alignment, stability, and ride comfort. It is specifically designed for the rear left side of the vehicle. Weighing approximately 5.57 kg, this genuine OEM control arm is engineered from high-strength materials to withstand significant forces, ensuring factory-specified suspension geometry and a long, reliable service life.