Dorman 524-174 RK643251, 624.65029, CV6Z5500N, CMS401118, 1CB40217, 2607405, car Dorman. Control Arm Rear, Driver or Passenger Side, Upper, Steel OE Solutions Series DORMAN. OE REPLACEMENT CONTROL ARMS. Dorman's OE replacement control arms are engineered to offer passengers full protection from failures due to corrosion, wear and impact. Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners. Sturdy iron, steel or aluminum design Coated with layer of protection against rust Bushings included for complete installation. withLifetime Dorman limited warranty.