General description Rear Air Spring Bag Shock Bellows are designed for various Mercedes-Benz models, providing enhanced suspension performance and stability. This product is a direct replacement for the original air suspension bags, ensuring a perfect fit and reliable operation. Technical specifications Reference OE/OEM Numbers: A 164 320 02 25; A 166 320 03 25; A 164 320 04 25; A 164 320 06 25; A 164 320 07 25; A 164 320 08 25; A 164 320 09 25; A 164 320 10 25; A 166 320 06 25 Stroke: 140mm ± 25mm Dimensions: Length 35 cm (13.8 in), Width 33.5 cm (13.2 in), Height 7 cm (2.8 in) Warranty: 2 years for any manufacturing defects Temperature Range: -40℃ to 70℃ Burst Pressure: ≥ 2.0 MPa Air Tightness Test: ≤ 0.02 MPa Certification: ISO9001:2015 Compatibility and accessories Compatible with Mercedes-Benz GL-Class X164 (2006-2012) and X166 (2012-2019) Compatible with Mercedes-Benz M-Class W164 (2005-2011) and W166 (2011-2018) Specific models include: GL320 (2007-2009), GL350 (2010-2012),