Features： 1、Constructed with excellent PBT plastic and rubber to prevent air bag leakage and damage. 2、Provide much better comfort while driving, can be adjusted to offer a lower entrance height. 3、Hold air, and it can raise the chassis off the axles. 4、Effectively attenuate the noise and uncomfortable bumps during driving. 5、Retard the car from falling down and weaken the tires and chassis from wear and tear. 6、It greatly improves the stable performance of the car operation. Specification： Condition: 100% Brand New Item Type: Air Suspension Spring Bag Color: Black Material: PBT Plastic + Rubber OE: 4Z7616051B 4Z7616051D 4Z7 616 051B 4Z7 616 051D 4Z7 616 051 B 4Z7 616 051 D Installation Location: Front Left or Right Fitment: Fit for A6 C5 1999-2006 Fit for Allroad Wagon (C5) 2001-2005 Package List： 1 x Air Suspension Spring Bag