Dorman 527-417 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Dorman 527-417 Front Left Upper Control Arm

Dorman 527-417 is a direct replacement suspension control arm and ball joint assembly for specific front left upper applications. It is built for vehicles that need restored steering response, stable directional control, and consistent suspension movement.

• Direct replacement for the original equipment front left upper control arm
• Pre-greased design with the ball joint installed
• Aluminum control arm construction with casting/forged design
• Bushings included with rubber and aluminum bushing materials
• Ball joint uses a machined mounting type and threaded stud
• Mounting hardware included
• Standard replacement grade for OE-style service

Fitment and Application

Compatible With 2019-2025 Chevrolet Silverado 1500, front left upper; 2022 Chevrolet Silverado 1500 LTD, front left upper; 2022 Chevrolet Silverado 1500 Nueva, front left upper; 2019-2025 GMC Sierra 1500, front left upper; 2022 GMC Sierra 1500 Limited, front left upper; 2021-2025 Cadillac Escalade, front left upper; 2021-2025 Cadillac Escalade ESV, front left upper; 2021-2025 Chevrolet Tahoe, front left upper; 2021-2025 GMC Yukon, front left upper; and 2021-2025 GMC Yukon XL, front left upper.

This Dorman 527-417 assembly is engineered as an OE-style suspension service part for the front left upper position on Chevrolet Silverado 1500 and GMC Sierra 1500 platforms, along with Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon applications. It is pre-greased, includes the ball joint and bushings, and uses an aluminum control arm body to match the original equipment layout on the listed vehicles. This part cross-references MOOG Chassis Products RK624002 for the same application.

What It Helps Address

• Clunking or looseness from a worn upper control arm assembly
• Uneven steering feel caused by ball joint wear
• Directional instability at highway speeds
• Suspension noise from deteriorated bushings
• Front-end alignment issues related to worn suspension joints

Installation Notes and Tips

Verify vehicle year, make, model, and front left upper position before installation. Because this assembly is pre-greased and includes the ball joint, it is ready for suspension service on the listed applications. After installation, a professional wheel alignment is recommended to confirm proper suspension geometry and steering performance.

Quality Assurance

Dorman uses an industry-focused evaluation process for this control arm and ball joint assembly to help deliver smooth ride quality, directional stability, and predictable suspension dynamics. Part number 527-417 is built as a standard replacement solution for the specified OE applications.