Dorman 520-402 Suspension Control Arm - Front Right Lower

Overview of Dorman Suspension Control Arm 520-402

The Dorman 520-402 suspension control arm is engineered for reliable performance in select Lexus and Toyota vehicles. Designed with durable steel construction and a coated black finish, this control arm provides essential support for your vehicle's suspension system.

• Constructed from high-strength steel with casting and forging methods
• Includes a rubber bushing with black color and precise dimensions (14.3 mm inside diameter, 39.6 mm outside diameter)
• Overall length of 262.5 mm for accurate fitment
• Welded ball joint mounting type with threaded stud (ball joint not included)
• Coated finish for corrosion resistance
• Compatible with multiple Lexus and Toyota models including Avalon, Camry, ES300, ES330, ES350, Highlander, RX330, RX350, RX400h, and Solara

Detailed Product Description

The Dorman 520-402 suspension control arm is a critical component designed to maintain proper wheel alignment and suspension geometry. Manufactured from steel using casting and forging techniques, it ensures structural integrity under normal driving conditions. The control arm features a black coated finish that helps resist corrosion and wear over time. It comes equipped with a single rubber bushing, which cushions suspension movement and reduces noise and vibration. The bushing measures 14.3 mm inside diameter and 39.6 mm outside diameter, with a length of 92 mm, providing a precise fit for the specified vehicle models.

This control arm does not include a ball joint or mounting hardware, but it features a welded ball joint mounting type with a threaded stud, allowing for compatibility with existing ball joints. The linkage end type is bushing with a press-in end 2 type, ensuring secure attachment to the vehicle’s suspension system. With an overall length of 262.5 mm, this part is designed to match factory specifications for Lexus and Toyota vehicles such as the Camry, Avalon, and RX series.

Common Applications and Issues Addressed

• Restores proper suspension alignment and handling
• Replaces worn or damaged control arms causing uneven tire wear
• Eliminates clunking or knocking noises from suspension movement
• Improves ride comfort by reducing vibration and harshness
• Addresses suspension instability or steering issues related to faulty control arms

Installation Notes and Tips

• Ensure compatibility with your specific Lexus or Toyota model before installation
• Inspect existing ball joints and mounting hardware; replacement may be necessary as they are not included
• Use proper tools to press in bushings and secure the control arm
• Alignment check is recommended after installation to maintain proper suspension geometry
• Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Dorman suspension control arms are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-402 part undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to Dorman’s official documentation for exact warranty terms.