Genuine OEM Audi Support For Transverse Arm, part number 420407457F. This component serves as a critical support structure for the transverse arm within the vehicle's suspension system. It is positioned to provide stability and proper alignment to the arm. Constructed from robust metal, it is designed for durability and resistance to road stresses. Genuine OEM parts are manufactured to precise specifications, ensuring the correct geometry and material strength for optimal suspension performance and longevity.