CTS Turbo Audi B9/4M Billet Coolant Reservoir Cap

CTS Turbo is proud to announce our new  Audi B9/4M Coolant Tank Lid. Our cap is made from 6061-T6 Billet aluminum and black anodized for a sleek appearance and corrosion resistance. This is a direct replacement coolant cap. **To install you will need to transfer the valve from the OEM cap