The DELPHI TC3423 Rear Upper Control Arm is engineered to provide superior performance and durability for Mercedes-Benz vehicles. This control arm is designed to replace the original equipment (OE) part, ensuring a precise fit and reliable operation. Constructed from high-quality steel, it features a stamped design with a painted finish, offering enhanced strength and resistance to corrosion. The control arm measures 12.913 inches (328.0 mm) in length, making it suitable for various Mercedes-Benz models. It includes rubber bushings for optimal joint movement and is sold individually without a ball joint. The TC3423 control arm is manufactured to meet or exceed strict quality requirements, ensuring consistent performance and longevity. Delphi's extensive dimensional and material analysis ensures the very best compatibility between the OE and aftermarket part. This control arm is designed to withstand extreme conditions, including temperatures below -40°C and above 120°C, and exposure to 720 hours of salt spray, demonstrating its resilience and suitability for diverse operating environments. By choosing the DELPHI TC3423 Rear Upper Control Arm, fleet operators can expect enhanced vehicle handling, improved ride quality, and reduced maintenance costs, contributing to the overall efficiency and reliability of their operations.