Advantage™ Steering Idler Link Arm (46C1103A) by ACDelco®. Quantity: 1 per Pack. ACDelco Advantage Steering Idler Arms serve as pivot points for the steering linkage assemblies in your vehicle, are economical replacement components for your GM and non-GM vehicle. These arms attach on the opposite side of the center link from the pitman arm and to the vehicle frame, supporting the center link. These dependable aftermarket steering idler arms offer quality and performance, all at an economical price.