ApplicationCompatible for Audi A4 Saloon (8K2, B8) (2007/11 - /)Compatible for Audi A4 Avant (8K5, B8) (2007/11 - /)Compatible for Audi A4 Allroad (8KH, B8) (2009/04 - /)Compatible for Audi A5 Sportback (8TA) (2009/09 - /)Compatible for Audi A5 Convertible (8F7) (2009/03 - /)Compatible for Audi A5 (8T3) (2007/06 - /)Compatible for Audi Q5 (8R) (2008/11 - /)SpecificationOEM Part Number:8K0407253AA8K0 407 253AB, 8K0407253Q8K0407253SOuter diameter: 102.4mmDiameter after fitting: 16.2mmInternal diameter: 42mmDiameter tolerance: ± 0.1mmCondition: NewBest price, Top quality, Deliver quicklyHigh-quality materials for high durability and long lifeWarranty: two years warranty for any manufacturing defectYou will get products exactly as shown in the picture aboveNote- Please double confirm compatibility and OEM number before purchasing, Please confirm your old part number matches one of the above part numbers- Professional Installation Is Highly Recommended (No Instruction Included)- Please che...