Dorman 520-198 Suspension Control Arm - Rear Right Upper

Durable Aluminum Suspension Control Arm for Select GM Vehicles

The Dorman 520-198 suspension control arm is engineered to provide reliable performance for various General Motors vehicles. Designed with a coated aluminum construction and rubber bushings, this control arm offers a balance of strength and flexibility for smooth suspension operation.

• Constructed from durable aluminum with casting and forging processes
• Black coated finish for corrosion resistance
• Includes one rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter
• Overall length of 262.5 mm for precise fitment
• Welded ball joint mounting with threaded stud type (ball joint not included)
• Press-in end type with bushing linkage end
• Compatible with Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models

Detailed Product Description

The Dorman 520-198 suspension control arm is designed to replace worn or damaged control arms on select GM vehicles including the Buick Rendezvous, Chevrolet Uplander, Pontiac Montana, Saturn Relay, and Oldsmobile Silhouette. Its aluminum construction combines casting and forging techniques to ensure structural integrity while reducing weight. The black coated finish helps protect against rust and corrosion, extending the service life of the component.

This control arm comes equipped with a single rubber bushing that measures 14.3 mm inside diameter and 39.6 mm outside diameter, providing effective vibration dampening and suspension articulation. The ball joint mounting is welded with a threaded stud type, though the ball joint itself is not included. The overall length of 262.5 mm ensures proper alignment and fitment for the specified vehicle models.

Common Applications and Problem Resolution

• Replaces worn or damaged suspension control arms on Buick Rendezvous and Chevrolet Uplander
• Addresses suspension noise caused by deteriorated bushings
• Corrects alignment issues resulting from bent or cracked control arms
• Improves handling and ride quality by restoring proper suspension geometry
• Eliminates excessive vibration and uneven tire wear

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before beginning installation
• Remove old control arm carefully, noting the orientation of bushings and mounting points
• Use appropriate tools to press out old bushings if necessary
• Verify that the new control arm length (262.5 mm) matches the original part
• Torque all mounting hardware to manufacturer specifications (mounting hardware not included)
• Alignment check is recommended after installation

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-198 control arm undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman's official warranty policy for complete terms.