Shop 2021 Audi A5 Coil Spring Insulator (Upper, Lower). A6; Upper. W/AWD, W/O AIR SUSPENSION, w/standard SUSPENSION, AWD, REAR - OEM Audi Part # 4G0512149A (4G0-512-149-A, 4G0512149)

Seat. Spring.
Coil Spring Insulator. Coil Insulator. Mount. Packing. Plate.

Coil Spring Insulator

Fits A6, S6

A6; Upper. W/AWD, W/O AIR SUSPENSION, w/standard suspension, w/standard suspension. W/O AWD, w/o comfort suspension, w/o comfort suspension.
Suspension Coil Spring - Repair or Replace
Your coil springs are not especially prone to failure, but if they have been cut, clamped, or heated to have the vehicle lowered, your might benefit from replacing the strut springs. Excessive rust can make the springs more prone to failure. Contact your local service department to have your suspension system evaluated.