Dorman 524-402 Suspension Control Arm and Ball Joint Assembly - Rear Right Forward

Reliable Suspension Control Arm and Ball Joint Assembly

The Dorman 524-402 suspension control arm and ball joint assembly is engineered for Lexus GS300, GS430, and IS F models. Designed to restore proper suspension geometry, this assembly ensures stable handling and improved ride quality.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings for effective vibration dampening
• Threaded ball joint stud with a 14 mm diameter and 42 mm length
• Constructed from durable steel with a black finish for corrosion resistance
• Pressed attachment type with one mounting hole (12.3 mm diameter)
• Comes with mounting hardware for straightforward installation
• Light suspension grade type suitable for regular driving conditions
• Ball joint installed and included for a complete assembly

Durable Construction and Precise Fitment

This suspension control arm and ball joint assembly from Dorman is crafted from forged and cast steel, providing strength and longevity for Lexus GS300, GS430, and IS F vehicles. The black-coated control arm measures up to 288.5 mm in width and 237 mm in length, designed to meet exact OEM specifications. Rubber bushings are included to reduce noise and absorb road shocks, enhancing driving comfort. The ball joint features a threaded stud type, ensuring secure attachment and reliable steering response.

Compatible Lexus Models and Part Number Details

Specifically compatible with Lexus GS300, GS430, and IS F models, the Dorman 524-402 assembly is a direct replacement part that maintains factory suspension performance. The part number 524-402 identifies this assembly for easy reference when searching for suspension control arm and ball joint replacements tailored to these Lexus vehicles.

Common Suspension Issues Addressed

• Eliminates clunking noises caused by worn control arms or ball joints
• Restores proper wheel alignment and handling stability
• Reduces uneven tire wear due to suspension component failure
• Improves ride comfort by replacing degraded bushings
• Prevents steering looseness and enhances vehicle control

Installation Notes and Tips

Installation requires basic suspension tools and mechanical knowledge. Since the ball joint is pre-installed and the control arm is pre-greased, no additional lubrication is necessary during assembly. Ensure the mounting hole (12.3 mm diameter) aligns correctly with the vehicle’s frame. Torque all fasteners to manufacturer specifications to maintain safety and performance.

Quality Assurance and Warranty

Dorman suspension components undergo rigorous quality control to meet industry standards. This assembly is designed for durability and consistent performance under regular driving conditions. Warranty coverage details should be confirmed with the product documentation or supplier.