Genuine OEM Audi Oil Dipstick, part number 03C115611AD. This critical component is used to accurately measure the engine oil level, ensuring the engine has adequate lubrication. It is inserted into a dedicated tube in the engine block or oil pan. The dipstick features clear markings to indicate minimum and maximum oil levels. Using a genuine OEM oil dipstick guarantees precise length and markings, which are essential for accurate oil level readings and preventing engine damage from over or under-filling.