Dorman 520-197 Suspension Control Arm - Rear Left Upper

Durable Aluminum Suspension Control Arm for Select GM Vehicles

The Dorman 520-197 suspension control arm is engineered to provide reliable performance for various General Motors vehicles. Designed with a robust aluminum construction and coated finish, this control arm offers strength and corrosion resistance for long-lasting use.

• Constructed from lightweight aluminum with casting and forging for enhanced durability
• Includes a black rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter
• Overall length of 262.5 mm to match factory specifications
• Welded ball joint mounting type with threaded stud (ball joint not included)
• Coated black finish for corrosion protection
• Compatible with Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models

Technical Details and Construction

This suspension control arm features a combination of casting and forging processes to ensure structural integrity while maintaining a lightweight profile. The aluminum material reduces unsprung weight, contributing to improved vehicle handling. The included rubber bushing is designed to absorb vibrations and reduce noise, enhancing ride comfort. The control arm's black coated finish helps resist rust and environmental wear. Note that the ball joint is not included, but the arm is designed with a welded mounting type and threaded stud to accommodate compatible ball joints.

Compatible Vehicles and Applications

The Dorman 520-197 control arm is compatible with a range of GM minivans and SUVs, including the Buick Rendezvous, Chevrolet Uplander, Montana, Relay, Pontiac Aztek, Saturn Relay, and Oldsmobile Silhouette and Terraza. This part is ideal for replacing worn or damaged control arms to restore proper suspension geometry and vehicle stability.

• Corrects suspension issues caused by worn or damaged control arms
• Reduces uneven tire wear and improves steering response
• Eliminates clunking noises from suspension movement
• Restores proper wheel alignment and handling characteristics
• Improves overall ride quality and vehicle safety

Installation Notes and Tips

Installation of the Dorman 520-197 control arm requires basic suspension knowledge and tools. Since the ball joint is not included, ensure you have a compatible ball joint or transfer the existing one if in good condition. The control arm features a press-in end and bushing linkage end, so proper pressing tools may be necessary for removal and installation. Always torque mounting hardware to manufacturer specifications and perform a wheel alignment after installation to ensure optimal performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-197 control arm undergoes rigorous quality checks to ensure durability and reliability. While specific warranty details are not provided here, Dorman typically offers limited warranties on their suspension parts. Consult product documentation or the manufacturer for exact warranty terms.