Dorman 520-144 Suspension Control Arm - Front Right Upper

Reliable Suspension Control Arm for Buick, Chevrolet, GMC, and More

The Dorman 520-144 suspension control arm is engineered to restore precise handling and suspension performance for select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed with durable steel construction and a coated finish, this control arm offers dependable strength and corrosion resistance for your vehicle's suspension system.

• Constructed from high-strength steel with casting and forging for durability
• Includes a black rubber bushing with a 14.3 mm inside diameter for effective vibration absorption
• Coated black finish to resist corrosion and wear
• Welded ball joint mounting type with threaded ball joint stud (ball joint not included)
• Overall length of 262.5 mm for precise fitment
• Compatible with multiple models including Buick Rainier, Chevrolet Trailblazer, GMC Envoy, and more

Durable Construction and Precise Fitment

This Dorman suspension control arm (part number 520-144) features a robust steel body manufactured through casting and forging processes to ensure structural integrity under demanding driving conditions. The included rubber bushing, finished in black, is designed to reduce noise and absorb road vibrations, enhancing ride comfort. The control arm’s coated finish provides additional protection against rust and environmental damage. It is engineered with a welded ball joint mounting type and a threaded ball joint stud, allowing for secure attachment of the ball joint (sold separately). With an overall length of 262.5 mm and a press-in end type, this control arm is tailored for direct replacement on compatible vehicles.

Compatible Vehicles and Applications

This suspension control arm is compatible with a range of vehicles, including Buick Rainier, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Isuzu Ascender, Oldsmobile Bravada, Saab 9-7x, and Chevrolet SSR. It is designed to restore proper suspension geometry and improve handling performance on these models.

• Corrects suspension misalignment and uneven tire wear
• Eliminates clunking or knocking noises from worn control arms
• Restores steering stability and vehicle control
• Reduces vibration and harshness during driving
• Prevents premature suspension component failure

Installation Notes and Tips

Installation of the Dorman 520-144 control arm requires removal of the old control arm and proper alignment of the new part. Note that the ball joint is not included and must be transferred from the original control arm or purchased separately. Mounting hardware is also not included, so ensure you have the necessary bolts and tools before beginning installation. It is recommended to have a professional alignment performed after installation to maintain optimal suspension geometry and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. This control arm is backed by Dorman’s quality standards, ensuring a dependable replacement part for your vehicle’s suspension system. Please refer to Dorman’s official warranty policy for specific coverage details.