Genuine OEM Audi Reverse Gear, part number 0CK311531C. This precision-engineered gear is an integral part of the vehicle's transmission, specifically designed to engage the reverse function. It is located within the transmission casing, meshing with other gears to alter the direction of power flow. Weighing 0.654 kg, this gear is manufactured to exact specifications for durability and smooth operation. Choosing a genuine OEM reverse gear ensures correct tooth profiles, material hardness, and dimensional accuracy, which are critical for reliable transmission function and preventing premature wear.