Aerosus air springs replace the original air springs of your vehicle & offer you maximum ride comfort with high durability. Security, accuracy & quality of the product match the original part. This brand new rear air spring fits left side of Audi A6 C5 4B Allroad vehicles. Each air spring comes with an airline fitting. Aerosus air springs are made from high-quality elastomer materials & covered by a 2-year limited warranty & a 30-day money-back guarantee. The rings on the air springs are crimped using a special technology for dependable operation & leak-free performance. They are known for their superior dynamic properties as well as their long life & reliable durability. Our suspension air bags keep your vehicle level, even when carrying an uneven load. That means more effective handling & braking even in tough road & heavily loaded conditions. Features OE-quality air spring Maximum ride comfort High-quality OE-specified raw materials O-Ring Security & durability Safe load carrying capacity & stability Easy installation Thousands of satisfied customers worldwide