Camshaft Seal - Audi B8 S4 / S5 / A6 / A6, A7, A8 Quattro / Q5 / Q7 / SQ5 / Touareg | 06E109345B-VAG
The GENUINE part, as sold new by the dealer.
If you have an oil leak coming from the cylinder head and you know its not the valve cover gasket it is more then likely this seal.
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov