Genuine OEM Volkswagen Exhaust Gas Temperature Sender, part number 04L906088CM. This sensor is an integral part of the exhaust system, providing critical data on exhaust gas temperature to the engine control unit. Accurate readings help optimize engine performance and emissions. Built to withstand high temperatures and corrosive exhaust gases, this genuine OEM part ensures reliable operation. Using genuine OEM parts guarantees the correct fit, function, and durability for your vehicle's exhaust system.