Genuine OEM Volkswagen Rocker Panel Reinforcement, part number 5Z3810607A. This part serves as a structural reinforcement within the rocker panel assembly, contributing to the overall integrity of the vehicle's body. It is positioned along the lower side of the vehicle's body, beneath the doors. Constructed from steel, this reinforcement provides crucial support and enhances the vehicle's structural rigidity. Genuine OEM parts ensure precise fitment and material quality, vital for maintaining the vehicle's safety and longevity.