The AMP Research idler linkage assembly for Jeep JL/K four-door models is a replacement component for the powered running board system, providing the idler-side linkage that maintains motion and alignment of the step mechanism. It is supplied to restore or service the running board hardware and is intended for direct-fit use on compatible four-door Jeep JL and JK applications.
AMP Research Jeep JL/K 4Dr Idler Linkage Assembly