Welcome to our store! This kit includes 4 x power steering rack bushings, designed to replace the original OEM part number 1644600029. Each bushing is made of high-quality aluminum alloy combined with rubber, ensuring exceptional heat and ozone resistance for maximum durability. This product has wide application and is a perfect replacement for the following vehicles: - W164 GL350 (2010-2012) - W164 GL320 (2007-2009) - W164 GL450 (2007-2012) - W164 GL550 (2008-2012) - W164 ML320 (2007-2009) - W164 ML350 (2006-2011) - W164 ML450 (2010-2011) - W164 ML500 (2006-2007) - W164 ML550 (2008-2011) - W164 ML63 AMG (2007-2011) - W251 R320 (2007-2009) - W251 R350 (2006-2012) - W251 R500 (2006-2007) - W251 R63 AMG (2007) These bushings are designed according to OEM specifications and offer high performance by immediately and effectively reducing vibrations, which helps restore smooth and precise steering for safe driving. Their rigorous manufacturing ensures identical form, fit, and function as the original part.