Dorman 524-447 Suspension Control Arm - Rear Left Lower Rearward

Overview of Dorman Suspension Control Arm 524-447

The Dorman suspension control arm 524-447 is engineered for reliable performance in Lexus GS and IS series vehicles. Designed with durable steel construction and a coated finish, this control arm provides essential support for your vehicle's suspension system.

• Constructed from stamped steel for strength and durability
• Black coated finish to resist corrosion
• Includes rubber bushing with black color for vibration dampening
• Overall length of 262.5 mm for precise fitment
• Welded ball joint mounting with threaded stud type (ball joint not included)
• Compatible with Lexus GS300, GS350, GS430, GS450h, GS460, IS250, IS350, and IS F models

Detailed Product Description

This Dorman suspension control arm 524-447 is designed to maintain proper wheel alignment and suspension geometry on select Lexus vehicles. The stamped steel construction ensures structural integrity while the black coated finish offers protection against rust and wear. The control arm features a rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter, providing effective noise and vibration isolation. The ball joint mounting is welded with a threaded stud type, allowing for secure attachment (note that the ball joint itself is not included). With an overall length of 262.5 mm, this control arm fits precisely within the suspension assembly of Lexus GS and IS models listed in the fitment.

Compatible Lexus Models and Applications

This suspension control arm is compatible with the following Lexus models:

• GS300
• GS350
• GS430
• GS450h
• GS460
• IS250
• IS350
• IS F

Use this part to replace worn or damaged control arms to restore proper suspension function and vehicle handling.

Common Issues Addressed by This Control Arm

• Excessive suspension noise or clunking
• Uneven tire wear due to misalignment
• Loose or unstable steering feel
• Vibration or harshness during driving
• Damaged or worn bushings causing suspension play

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before installation
• Remove old control arm carefully, noting ball joint and bushing connections
• Use appropriate tools to press in bushings if needed
• Torque mounting bolts to manufacturer specifications
• Alignment check is recommended after installation

Quality Assurance and Warranty

Dorman suspension control arm 524-447 is manufactured to meet OEM standards for fit and function. The steel construction and coated finish contribute to long service life. This part includes rubber bushings but does not include ball joints or mounting hardware. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship.