Make the most out of your new Audi small chassis strut mounts and replace the strut mount bushing (aka Castle Nut) while you're in there. This 14 x 1.5mm threaded castle nut holds the strut mount to the strut shaft.
Priced Individually - One Required per Strut Mount
811 412 365 811412365
Part Number Interchange
Warning: This product may contain a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.