Dorman 521-005 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-005 suspension control arm and ball joint assembly is designed specifically for Honda Prelude models. This pre-greased, steel control arm assembly offers a reliable replacement solution for light suspension grade applications, ensuring proper vehicle handling and alignment.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Press-in ball joint with threaded stud for secure fitment
• Constructed from durable steel with a black finish
• Compatible with Honda Prelude suspension systems

Detailed Product Features and Specifications

The Dorman 521-005 control arm assembly features a casting/forged steel construction that provides strength and durability for regular driving conditions. It comes pre-greased, eliminating the need for additional lubrication during installation. The assembly includes rubber bushings to absorb road vibrations and reduce noise, enhancing ride comfort. The ball joint is press-in mounted and installed with a threaded stud measuring 14 mm in diameter, ensuring a secure and precise fit. This control arm has a maximum length of 237 mm and a maximum width of 288.5 mm, with a single mounting hole of 12.3 mm diameter. Mounting hardware is included to facilitate a straightforward replacement process.

Compatible Vehicles and Application

This suspension control arm and ball joint assembly is compatible with Honda Prelude models requiring a light suspension grade replacement part. The Dorman 521-005 is engineered to meet the specific suspension geometry and mounting requirements of the Honda Prelude, providing a direct fit without modification.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or vibration
• Misalignment affecting vehicle handling and safety
• Corroded or weakened control arm structure

Installation Notes and Tips

Before installation, verify compatibility with your Honda Prelude model year. The assembly comes pre-greased and includes all necessary mounting hardware, simplifying the replacement process. Use proper tools to press out the old ball joint if necessary, and torque all fasteners to manufacturer specifications. Since this control arm is not adjustable, ensure alignment is checked and corrected after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-005 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.