The Delphi TC6161 Suspension Control Arm Shaft Kit - Front Upper is engineered to provide superior performance and durability for a range of vehicles, including Buick and Cadillac models. This kit includes a steel shaft measuring 15.768 inches (400.5 mm) in length, designed to withstand the rigors of daily driving and maintain optimal suspension geometry. The black natural rubber bushings offer enhanced vibration dampening and noise reduction, contributing to a smoother ride and improved handling. Delphi's commitment to quality is evident in the meticulous testing of this part, which endures extreme temperatures from below -40°C to over 120°C and exposure to 720 hours of salt spray, ensuring long-term reliability. The TC6161 kit is compatible with various Buick models such as the Apollo, Century, Electra, Estate Wagon, LeSabre, Regal, Riviera, and Skylark, as well as Cadillac Commercial Chassis and DeVille. This broad compatibility makes it a versatile choice for fleet maintenance, reducing the need for multiple part numbers and simplifying inventory management. By choosing the Delphi TC6161 Suspension Control Arm Shaft Kit, fleet operators can ensure consistent suspension performance across a diverse vehicle lineup, leading to reduced downtime and maintenance costs.