Genuine OEM Audi Suspension Wishbone, part number 4M0505398P. This component is a key part of the vehicle's suspension system, responsible for maintaining wheel alignment and stability during driving. It functions as a rear upper control arm within the multi-link suspension assembly. Weighing approximately 1.471 kg, this wishbone is engineered for durability and precise handling. Choosing a genuine OEM wishbone ensures correct geometry, material strength, and factory-specified bushing characteristics for optimal ride comfort and safety.