This 10-part control arm kit is designed for the front suspension of Audi A4 (B8 chassis, 8K models) and Audi A5 (8T chassis) vehicles from 2007-2009, as well as Audi Q5 models from 2009-2017. Please note: this kit is not suitable for the US version of the Audi A5. The kit includes upper and lower control arms, wishbone arms, and links. The control arms are made of aluminum with OE style rubber bushings. Reference OE/OEM Numbers: 8K0407693F, 8K0407694F, 8K0407151B, 8K0407152B, 8K0407505A, 8K0407506A, 8K0407509A, 8K0407510A, 8K0411317C. Ensure your Front Right/Left Lower Rearward Control Arm requires a ball joint stud thread size of M14x1.5, as M12 is not compatible. This product comes with a one-year warranty against manufacturing defects.