Vehicle Restrictions/Notes: Audi A6 C5 VIN to 4B-2-031 500. Ball Joints. Product quality of our parts is very important to us and we know all too well that the external appearance of an arm isn’t the only indicator of a quality part, it’s also what’s inside, and with arms the internal design and materials used for the ball joints and bushes matters just as much as what’s visible externally.
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