Dorman 526-804 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Forward

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 526-804 suspension control arm and ball joint assembly is designed for select Mercedes-Benz models, including the C230, C250, C300, C350, E350, and E400. This assembly combines a durable aluminum control arm with a pre-installed ball joint to restore proper suspension function and vehicle handling.

• Pre-greased ball joint for immediate use
• Aluminum control arm with casting/forged construction
• Includes rubber and steel bushings for reliable suspension support
• Machined ball joint mounting with threaded stud (14 mm diameter, 25.5 mm length)
• Mounting hardware included for straightforward installation
• Control arm dimensions: maximum length 434 mm, maximum width 80 mm
• Silver finish control arm designed for corrosion resistance

Detailed Product Description

The Dorman 526-804 suspension control arm and ball joint assembly is engineered to meet the suspension needs of various Mercedes-Benz vehicles, specifically the C230, C250, C300, C350, E350, and E400 models. Constructed from lightweight yet strong aluminum, the control arm features a casting and forging process that enhances durability while maintaining a manageable weight. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. The ball joint is machined for precise fitment and includes a threaded stud with a 14 mm diameter and 25.5 mm length, ensuring secure attachment and reliable steering response.

Rubber and steel bushings are included to absorb road vibrations and reduce noise, contributing to a smoother ride. The control arm is finished in silver to provide corrosion resistance and maintain its structural integrity over time. With one mounting hole measuring 16.8 mm in diameter, the assembly is designed for a direct replacement fit, compatible with the specified Mercedes-Benz models.

Common Applications and Problem Resolution

• Restores proper suspension geometry and alignment
• Eliminates clunking or knocking noises from worn control arms or ball joints
• Improves vehicle handling and steering stability
• Addresses uneven tire wear caused by suspension component wear
• Replaces damaged or corroded control arms to maintain safety

Installation Notes and Tips

Installation of the Dorman 526-804 control arm and ball joint assembly requires basic suspension knowledge and appropriate tools. Since the ball joint comes pre-installed and pre-greased, no additional lubrication is necessary. Ensure the vehicle is securely lifted and supported before removing the old control arm. Verify that the mounting hole aligns correctly with the vehicle’s frame and suspension components. Torque all fasteners to manufacturer specifications to maintain safety and performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 526-804 assembly undergoes rigorous quality control to ensure durability and reliability. While specific warranty details are not provided here, Dorman typically offers limited warranties on their suspension parts to cover defects in materials and workmanship.