1Pair 1663200325 A1663200325 Air Suspension Air spring Shock Absorber for Mercedes Benz GL320 GL350 GL450 GL550 X164.Please Check Manufacturer's Part Number (Usually Stamped Into Plastic Or Body) or Or Product's OE No. Before Ordering. OEM Part Number: 164 320 02 25,1643200225, A164 320 02 25, A1643200225 164 320 04?25,1643200425, A164 320 04?25, A1643200425 164 320 06 25,1643200625, A164 320 06 25, A1643200625 164 320 07 25,1643200725, A164 320 07 25, A1643200725 164 320 08?25,1643200825, A164 320 08?25, A1643200825 164 320 09 25,1643200925, A164 320 09 25, A1643200925 164 320 10 25,1643201025, A164 320 10 25, A1643201025 166 320 03 25,1663200325, A166 320 03 25, A1663200325 166 320 06 25,1663200625, A166 320 06 25, A1663200625 Fit For the Following Vehicles: Mercedes ML-Class 2005-2011 (W164 W/ Airmatic) Mercedes GL-Class 2007-2012 (X164 W/ Airmatic) If you have problem of the item, please contact us before leaving a neutral or negative feedback, we will do our best to resolve the problem for you.