Air Spring is Regenerated OE Vibracoustic part. Brand: Audi Model: Q7, 4M Side: Rear Installation Side: Left Part: Air Spring (Regenerated) Warranty: 2 years --------------------------------- OEM Part Numbers: Left Air Suspension part number: 4M0616001P, 4M0616001AH, 4M0616001AM, 4M0616001AB, 4M0616001Q, 4M0616001AA