Genuine OEM Volkswagen NOx Sensor Module Cover, part number 2K6971394B. This protective plastic cover is designed to shield the sensitive NOx sensor module from road debris, moisture, and other environmental factors. It ensures the module's longevity and reliable operation within the vehicle's emissions system. Weighing approximately 0.04 kg, this cover is made from durable, heat-resistant plastic. Choosing a genuine OEM cover guarantees precise fitment over the module, maintaining its protective seal and preventing damage that could lead to costly repairs or emissions system malfunctions.