The Mevotech GS86134 13.6" x 13" Front Driver Side Upper Control Arm and Ball Joint Assembly is engineered to restore original equipment (OE) performance, handling, and ride quality for 2007-2021 Toyota Tundra models. This assembly is designed to address common suspension issues such as uneven steering, squeaking noises, and excessive tire wear, thereby enhancing vehicle stability and driver comfort. Constructed with high-quality materials, the GS86134 assembly features a press-in ball joint mounting type and includes all necessary mounting hardware for a straightforward installation process. The pre-greased components and corrosion-resistant finish further contribute to the assembly's durability and longevity, reducing maintenance needs and downtime for fleet operations. By choosing the Mevotech GS86134 assembly, fleet managers can ensure consistent vehicle performance and minimize the frequency of suspension-related repairs, leading to improved operational efficiency and reduced total cost of ownership.