Engine Air Duct W/ Mass Sensor for Mercedes-Benz X164 W164 W211 W251 6420908237 Feature: 1: According to the original factory specifications,perfect match for the original car. 2: Own different test machines to design exact accurate parameter for our products.All switches were tested for performance. 3: Made by high quality material, anti-rust, colorfast and durable. 4: Aftermarket product with premium quality. 5: Stable performance, high reliability,suitable for replacing your broken one. Specifics: Condition: 100% Brand New Material: Plastic Color: Black Manufacturer Part Number: 6420908237 Other Part Number: A6420906097, 6420906097, A6420946397, 6420946397 Reference OE/OEM Number: A6420907437, 6420907437, A6420946397 6420946397 Length : 270 mm Fitment: for Mercedes-Benz E-Class W211 E320 2007-2009 for Mercedes-Benz E-ClassE350 Bluetec 2011-2013 for Mercedes- Benz GL-Class X164 GL320 2007-2009 for Mercedes- Benz GL-Class X164 GL350 2010-2012 for Mercedes-Benz ML-Class W164 ML320 2007-2009 for Mercedes-Benz ML-Class W164 ML350 Bluetec 4M 2010-2011 for Mercedes-Benz R-Class W251 R320 2007-2009 for Mercedes-Benz R-Class W251 R350 Bluetec 4M 2010-2012 Package Include: 1x Clean Air Line with Air Mass Sensors (as shown in the pictures)