Genuine OEM Audi Steering Track Rod, part number 420422821A. This essential steering component connects the steering rack to the steering knuckle, translating steering wheel input into wheel movement and maintaining proper wheel alignment. It is a key part of the vehicle's steering linkage. Constructed from robust steel, this track rod measures approximately 28.7 cm in length and weighs 0.597 kg. Choosing a genuine OEM steering track rod ensures precise dimensions, correct thread pitch, and durable materials, which are crucial for maintaining accurate steering geometry, vehicle stability, and safety.