Genuine OEM Volkswagen Key Fob Housing, part number 5K0837202ECINF. This housing is designed to protect the internal components of your vehicle's key fob. It is located as part of the key assembly. Constructed from durable plastic, it ensures the longevity of your key fob. Genuine OEM parts are crucial for key fobs as they guarantee precise fitment and material quality, ensuring the internal electronics are properly shielded and the fob functions reliably.