Dorman 521-969 Suspension Control Arm - Rear Left Upper or Rear Right Upper

Durable Suspension Control Arm for Select GM Vehicles

The Dorman 521-969 suspension control arm is engineered to provide reliable performance for various Chevrolet, GMC, Cadillac, and Hummer models. Designed with a coated iron construction and rubber bushings, this control arm offers a solid balance of strength and flexibility for your vehicle's suspension system.

• Constructed from durable iron with a coated finish for corrosion resistance
• Includes a black 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 type with threaded ball joint stud (ball joint not included)
• Compatible with multiple GM models including Chevrolet Avalanche, Suburban 1500, Tahoe, GMC Yukon, Yukon XL 1500, Cadillac Escalade series, and Hummer H2

Technical Details and Construction

This suspension control arm features a casting and forged iron construction that ensures structural integrity under typical driving conditions. The black coated finish helps protect against rust and wear, extending the service life of the component. The included rubber bushing is designed to absorb vibrations and reduce noise, improving ride quality. The control arm measures 262.5 mm in length and includes one bushing with a length of 92 mm, providing a precise fit for the specified vehicle models. The ball joint mounting is welded, and the ball joint stud is threaded, though the ball joint itself is not included with this part.

Compatible Vehicles and Applications

This Dorman suspension control arm (part number 521-969) is compatible with the following makes and models:

• Chevrolet Avalanche and Avalanche 1500
• Chevrolet Suburban 1500 and Tahoe
• GMC Yukon and Yukon XL 1500
• Cadillac Escalade, Escalade ESV, and Escalade EXT
• Hummer H2

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling or noise
• Corroded or weakened control arm structure affecting suspension alignment
• Loose or damaged ball joint mounting points leading to steering instability
• Vibration and harshness due to deteriorated suspension components
• Uneven tire wear related to faulty suspension control arms

Installation Notes and Tips

Installation of the Dorman 521-969 control arm requires basic suspension knowledge and appropriate tools. Since the ball joint is not included, ensure compatibility with your existing ball joint or purchase separately if needed. The control arm features a press-in end type and comes with rubber bushings pre-installed. Mounting hardware is not included, so reuse existing hardware or acquire new fasteners as necessary. Proper torque specifications should be followed to maintain suspension integrity and safety.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-969 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.