Material: 45# or 40Cr Carbon Structural SteelHeat treatment: High-frequency QuenchingHardening and tempering: AvailableSurface treatment: Original / Black or Grey Phosphate treatment/CustomizedMarking: Customized
This is a new engineered aftermarket air suspension strut for the front of the 2007-2012 Mercedes-Benz GL-Class SUV w/AIRMATIC and w/o ADS (Active Damping System).