Genuine OEM Audi coolant reservoir support, part number 420121262B. This bracket is designed to securely mount the coolant expansion tank, ensuring it remains stable and properly positioned within the engine bay. It is located in the cooling system assembly to provide a rigid anchor point. Manufactured to exact factory specifications, this support ensures the reservoir is held at the correct height and orientation. Genuine OEM parts provide the necessary material strength to withstand engine heat and vibration for a reliable service life.