Arnott's AS-3312 is a completely remanufactured OE front strut for the left or right side of the 2012-2018 Audi A6 and A7 and the 2013-2018 Audi S6 and S7 (C7 Chassis). The OE strut is inspected, disassembled, steam cleaned, and spin blasted to bare metal before being repainted with corrosion inhibiting paint. The Arnott remanufactured strut features new high-quality Tier 1 components such a multi-ply rubber air bladder from ContiTech, heavy duty crimping rings, O-Rings, new airline fitting and dust boot to protect the air sleeve. This Arnott remanufactured strut is designed and tested to work with the vehicle¿¿¿s active damping and auto leveling suspension controls. Arnott remanufactures this Audi air strut in the USA and backs it with a Limited Lifetime Warranty