Dorman 520-165 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-165 suspension control arm and ball joint assembly is engineered for reliable performance in Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed specifically for models like the Buick LaCrosse and Chevrolet Impala, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Steel construction with casting/forged control arm for strength and durability
• Bolt-in ball joint with threaded stud for secure mounting
• Compatible with Buick Allure, Chevrolet Monte Carlo, Oldsmobile Intrigue, Pontiac Grand Prix, and more

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-165) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from steel with a black finish, measuring up to 288.5 mm in width and 237 mm in length. It includes one mounting hole with a diameter of 12.3 mm and comes with rubber bushings installed to reduce vibration and noise. The ball joint is pre-installed, featuring a threaded stud with a 14 mm thread diameter and a bolt-in mounting type, ensuring a secure fit without the need for additional grease fittings.

Compatible Vehicles and Applications

This assembly is compatible with a range of GM vehicles, including Buick Allure, Century, LaCrosse, and Regal; Chevrolet Impala, Impala Limited, and Monte Carlo; Oldsmobile Intrigue; and Pontiac Grand Prix. It is designed to restore proper suspension geometry and handling characteristics for these models, making it a suitable replacement part for worn or damaged control arms and ball joints.

Common Suspension Issues Addressed

• Eliminates excessive play or looseness in the suspension system
• Reduces uneven tire wear caused by faulty control arms
• Restores proper steering response and vehicle alignment
• Minimizes noise and vibration from worn bushings or ball joints
• Prevents suspension sagging and improves ride stability

Installation Notes and Tips

The Dorman 520-165 control arm and ball joint assembly comes pre-greased and includes all necessary mounting hardware for straightforward installation. It is a bolt-in design, which simplifies replacement without requiring special tools or additional grease fittings. Ensure the vehicle is properly supported and aligned after installation to maintain suspension performance and safety.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM specifications, providing reliable fit and function. This control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.