durable and easy to install. Fine workmanship and perfect style. Fit for air shock and air spring with Vehicle Models: for A6 Allroad C5 C6 C7 A8 Allroad D3 1999-2016 for W164 W251 W166 W212 W221 W220 W211 Suspension Shock Spring 1999-2016 Not for compressor Reference NO. Number: 2203202438 2203205113 2203202338 2203205013 2213204913 2213209313 2213207313 2213205113 1643200625 2513200058 2123200358 A 164 320 60 13; 1643206013 A 164 320 59 13; 1643205913 A 164 320 58 13; 1643205813 A 164 320 46 13; 1643204613 A 164 320 44 13; 1643204413 A 164 320 43 13; 1643204313 Material: Metal+ABS colour: Copper + white Package Contents: 10 x M8 Hose Connector Fitting Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.