Genuine OEM Audi Upper Control Arm, part number 4E0407505E. This critical suspension component connects the wheel hub to the vehicle frame, maintaining proper wheel alignment and suspension geometry. It is specifically designed for the front left position. Constructed from durable materials, it weighs 0.788 kg and measures 0.354 m in length. Choosing a genuine OEM control arm ensures factory-specified tolerances, material strength, and correct ball joint/bushing characteristics for optimal handling and safety.