Dorman 521-296 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-296 suspension control arm and ball joint assembly is engineered for select Mercedes-Benz models including the C43 AMG, C220, C230, C280, CLK320, and SLK230. This assembly combines a durable steel control arm with a pre-installed ball joint to ensure reliable suspension performance and vehicle handling.

• Pre-greased ball joint for immediate use
• Steel control arm with black finish for corrosion resistance
• Press-in ball joint with threaded stud for secure mounting
• Includes mounting hardware for straightforward installation
• Compatible with light suspension grade applications
• One mounting hole with 12.3 mm diameter
• Control arm dimensions: maximum width 288.5 mm, maximum length 237 mm
• Rubber and steel bushing materials for balanced durability and flexibility

Detailed Product Description

The Dorman 521-296 suspension control arm and ball joint assembly is designed as a casting/forged steel component, providing structural integrity required for light suspension grade use. The control arm features a black finish to resist corrosion and wear. The ball joint is press-in mounted and comes pre-installed with a threaded stud measuring 14 mm in diameter, facilitating a secure connection to the vehicle’s suspension system. This assembly does not include bushings but utilizes rubber and steel materials to optimize performance. Mounting hardware is included, simplifying the replacement process for compatible Mercedes-Benz vehicles.

Compatible Vehicles and Applications

This control arm and ball joint assembly is compatible with the following Mercedes-Benz models: C43 AMG, C220, C230, C280, CLK320, and SLK230. It is intended for use in light suspension grade systems, making it suitable for drivers seeking to maintain or restore factory suspension performance on these specific vehicles.

Common Suspension Issues Addressed

• Worn or damaged control arms causing poor handling or alignment issues
• Ball joint wear leading to suspension noise or looseness
• Corrosion or fatigue in original suspension components
• Difficulty maintaining proper wheel alignment
• Vibration or uneven tire wear due to suspension component failure

Installation Notes and Tips

Installation of the Dorman 521-296 assembly requires basic suspension repair tools. The included mounting hardware allows for a direct replacement without the need for additional parts. Since the ball joint is pre-greased and installed, no additional lubrication is necessary during installation. Ensure the mounting hole diameter of 12.3 mm matches the vehicle specifications. It is recommended to have a professional alignment performed after installation to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-296 assembly undergoes quality inspections to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.