NGK UAA0004-VW001 / UAA0004VW001 / 1477 Lambda Sensor Genuine NGK ComponentLambda sensors are oxygen detecting devices that are fitted into the exhaust system of increasingly more internal combustion engines. They are a vital part of the emission reduction technology and also help to ensure that the engine is running at its optimum performance. NGK Spark Plug Co Ltd was a pioneer in this field and is now a world leader in the development and production of Lambda sensors under the NTK brand name.BOX DIMENSIONSHeight (mm): 130Width (mm): 130Length (mm): 40LAMBDA SENSOR SPECS:Type: Sub Type : Thread :18mm Sensor Connector & Lead Length:VW001If you are unsure as to whether this is the correct part for your vehicle, please don't hesitate to contact us. Alternatively please use the cross reference table above.