This Coil Spring is a high-quality suspension component manufactured by KYB, with the part number RH6745. It is designed to fit the rear axle of AUDI A6 C6 models, specifically the 2.0D, 2.4, and 2.8 variants, produced between 2004 and 2011. The spring has a length of 262 mm, an outer diameter of 132 mm, and a thickness/strength of 116 mm. It features a K-Flex design and is a direct replacement for RH6744. This suspension spring is compatible with OEM references AUDI 4F0511115BE and 4F0511115BF. Please use the make and model tool to confirm compatibility with your vehicle. If you are unsure, please contact us for assistance. Orders placed before 2:30 PM on weekdays will be dispatched the same day.