Air Suspension Valve Block Air Supply Replacement for 2007-2015 Mercedes Benz W164 W166 W221 W251 GL320 GL350 ML250 ML63 CL550 S350 S400 S550 S600 R320 R350 R500 Replaces 2513200058 2123200358 Item Description Works Well Like OEM: The interior of each nozzle connection is made of a durable brass with good durability and stability, equals OE quality and direct replacement without modifications Replace Part Number: Replacement for 2123200358 A2123200358 2513200058 A2513200058, each air valve block is thoroughly tested to make sure OE fit Applicable Models: Compatible with 2007-2015 Mercedes Benz GL350 GL450 GL550, ML250 ML350 ML400 2006-2015, ML63AMG 65AMG 2007-2015, CL550 CL600 2008-2014, CL63AMG CL65AMG 2008-2014, Compatible with S350 S400 S550 S600 2007-2013, S63AMG S65AMG 2008-2013, R350 R500 R320 R63AMG 2006-2008C Timely Replacement: The air suspension valve block is responsible for transporting air from the compressor to the air spring, and its damage can lead to air leakage and overwork causing damage to the compressor, which can cause the car to not maintain the desired driving height. Therefore, it is necessary to replace the valve in time Package Included: 1 x Air Valve Block, please check and confirm the compatibility of vehicles makes and models before order ? See more product details Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.