Genuine OEM Volkswagen Roof Reinforcement, part number 2K0817251A. This part reinforces the roof structure to withstand external forces and maintain its shape. It is located at position 3 in the roof assembly. The part weighs 0.575 kg and measures 0.185 m x 0.217 m x 0.032 m. Genuine OEM roof reinforcements ensure precise fitment and structural integrity, crucial for maintaining the vehicle's safety and rigidity.