CTS Turbo Audi B9/4M Billet Coolant Reservoir Cap | Performance parts and accessories for Audi, BMW, Volkswagen, Mini, Mercedes Benz, Porsche and Volvo
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 with no modifications required. Simply remove the OEM cap and replace.