Genuine OEM Audi Parking Brake Expander Lock, part number 7L0609585. This component plays a vital role in the parking brake system, designed to secure the expander mechanism and maintain the parking brake's engaged position. It is typically located within the rear brake assembly. Crafted from durable metal, this lock ensures robust and reliable operation. Opting for a genuine OEM lock guarantees precise fitment and the correct mechanical tolerances, crucial for the safe and effective function of the parking brake.