Here is used a very durable material. 

Made in China quality CR Rubber, Bone material iis Nylon PA66
The long experience in the field of Air suspension, led to the highest quality. 
Thousands of satisfied customers confirm the superior quality of this product.

New O-rings and air connection are included. 

Can be installed in the following vehicles: 

Audi A8 Front Left or Right Side

For Audi A8 D3 4E 2002-2010

Original spare part number:

 4E0 616 039 AF

4E0 616 039 AG

4E0 616 039 AK

4E4 616 039 D

4E4 616 039 E

4E0 616 040 AF

4E0 616 040 AG

4E0 616 040 AK

4E4 616 040 D

4E4 616 040 E

4E0616 039T

4E0616039AH

Our advantage:
-OEM quality
-Factory price

-Personal advice
-We have a 1 years warranty without mileage limits
-Worldwide express delivery is our standard