Genuine OEM Volkswagen Tunnel Insulating Sheet, part number 5Q0825661CA. This insulating sheet serves to protect underbody components, particularly those located on the vehicle's tunnel, from heat generated by the drivetrain and from road debris. It is positioned on the underside of the vehicle, along the central tunnel. Constructed from heat-resistant materials, this sheet provides crucial thermal management and protection. Genuine OEM insulating sheets are designed with the exact contours and mounting points to ensure proper fitment and effective thermal barrier performance.