The Delphi TD639W Front Upper Control Arm Bushing Kit is engineered to restore the suspension system's integrity in heavy-duty vehicles. This kit includes bushings designed for the front upper control arm, suitable for both driver and passenger sides. Constructed from a combination of rubber and steel, these bushings offer enhanced durability and performance. The kit's dimensions are 1.89 inches in height, 1.79 inches in length, with a bushing inner diameter of 0.63 inches and an outer diameter of 1.32 inches. Designed as an OE replacement, the Delphi TD639W ensures a direct fit, facilitating straightforward installation and minimizing vehicle downtime. By replacing worn or damaged bushings with this kit, fleet operators can expect improved handling, reduced noise, and extended service life of the suspension components. This proactive maintenance approach not only enhances vehicle performance but also contributes to the overall safety and reliability of the fleet.