Genuine OEM Audi Steering Inner Track Tie Rod, part number 4F0422821D. This vital steering component connects the steering rack to the outer tie rod end, translating steering wheel input into wheel movement and maintaining proper wheel alignment. It features precision-machined threads and a durable ball joint for smooth operation. Weighing 0.4515 kg, it is constructed from high-strength metal to withstand constant forces and vibrations. Choosing genuine OEM ensures exact dimensions, correct thread pitch, and robust material quality for reliable steering performance and safety.