Dorman 520-845 Suspension Control Arm - Front Left Lower

Reliable Suspension Control Arm for Chevrolet, Geo, GMC, Pontiac, and Suzuki

The Dorman 520-845 suspension control arm is engineered to restore proper suspension geometry and improve vehicle handling for select Chevrolet, Geo, GMC, Pontiac, and Suzuki models. Designed with durable steel construction and a coated finish, this control arm offers dependable performance for your Sidekick, Sunrunner, Tracker, or X-90.

Key Features of the Dorman 520-845 Control Arm

• Constructed from high-strength steel with casting and forging for durability
• Black coated finish resists corrosion and wear
• Includes a rubber bushing with black color for vibration dampening
• Overall length of 262.5 mm ensures proper fitment
• Ball joint mounting type is welded with a threaded stud (ball joint not included)
• Press-in end type with bushing linkage end for secure installation
• One rubber bushing included with 14.3 mm inside diameter and 39.6 mm outside diameter

Detailed Description of the Dorman Suspension Control Arm

This suspension control arm (part number 520-845) is designed to meet the specifications required for Chevrolet Sidekick, Geo Sunrunner, GMC Tracker, Pontiac Sunrunner, and Suzuki X-90 vehicles. Its steel construction combines casting and forging processes to provide strength and resistance to bending or cracking under normal driving conditions. The black coated finish helps protect against rust and corrosion, extending the service life of the component.

The control arm includes a single rubber bushing that reduces noise and vibration while maintaining suspension alignment. The welded ball joint mounting type with a threaded stud allows for secure attachment of the ball joint (sold separately). The press-in end type and bushing linkage end ensure a proper fit and smooth articulation within the suspension system.

Common Suspension Issues Addressed by This Control Arm

• Excessive suspension noise or clunking during driving
• Uneven tire wear caused by misaligned suspension geometry
• Loose or unstable steering feel
• Vibration or harshness transmitted through the suspension
• Worn or damaged control arm bushings affecting ride quality

Installation Notes and Tips

When installing the Dorman 520-845 control arm, ensure the vehicle is securely lifted and supported. Remove the old control arm carefully, noting the orientation of bushings and mounting points. Since the ball joint is not included, transfer the existing ball joint or install a compatible replacement. Verify that the rubber bushing is properly seated and that all mounting points are torqued to manufacturer specifications. Regular inspection after installation is recommended to confirm secure fitment and performance.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-845 control arm undergoes rigorous quality checks to ensure durability and reliability. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.