Dorman 521-951 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-951 suspension control arm and ball joint assembly is engineered for reliable performance in Buick and Chevrolet vehicles. Designed specifically for models like the Allure, LaCrosse, Malibu, Malibu Limited, and Regal, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings and mounting hardware for a complete installation
• Constructed from lightweight aluminum with a black finish for corrosion resistance
• Press-in ball joint with pinch-type stud installed for secure fitment
• Compatible with light suspension grade applications

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 521-951) features a casting/forged aluminum control arm designed for durability and weight reduction. The assembly comes pre-greased, eliminating the need for initial maintenance, and includes rubber bushings to absorb road vibrations and improve ride quality. The ball joint is press-in mounted with a pinch stud type, ensuring a secure and precise connection. Mounting hardware is included, and the control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter.

Compatible Buick and Chevrolet Models

This assembly is compatible with a range of Buick and Chevrolet vehicles, including the Buick Allure, LaCrosse, and Regal, as well as the Chevrolet Malibu and Malibu Limited. Using the Dorman 521-951 ensures proper suspension geometry and handling characteristics for these specific models.

Common Suspension Issues Addressed

• Worn or damaged control arms causing poor alignment
• Ball joint wear leading to steering looseness or noise
• Degraded bushings resulting in vibration and harshness
• Corrosion or fatigue in original suspension components
• Improper suspension travel affecting vehicle stability

Installation Notes and Tips

Installation of the Dorman 521-951 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the assembly is pre-greased, no additional lubrication is necessary during installation. Ensure all mounting hardware is torqued to manufacturer specifications. This part is not adjustable, so alignment should be checked and corrected after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-951 assembly undergoes rigorous quality control to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance.