ACDelco Silver (Advantage) Steering Idler Arms are a quality, high value alternative for General Motors vehicles as well as most makes and models and are backed by General Motors. These steering idler arms serve as pivot points for the steering linkage assemblies in your vehicle. The arms attach on the opposite side of the center link from the pitman arm and to the vehicle frame, supporting the center link. ACDelco Silver (Advantage) parts are a good choice for many vehicles on the road today. Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage.