Dorman 524-280 Suspension Control Arm - Rear Left Lower Forward, Rear Lower Forward or Rear Right Lower Forward

Overview of Dorman Suspension Control Arm 524-280

The Dorman 524-280 suspension control arm is engineered for Lexus GS and IS series vehicles, providing reliable support and alignment for your suspension system. Constructed from durable steel with a coated finish, this control arm is designed to maintain vehicle stability and handling precision.

• Made from high-strength steel with a protective coated finish
• Includes a black rubber bushing for vibration dampening
• Tubular construction enhances structural integrity
• 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
• Press-in end type with bushing linkage end
• Includes one bushing with 14.3 mm inside diameter and 39.6 mm outside diameter

Detailed Product Description

The Dorman 524-280 suspension control arm is designed specifically for select Lexus GS and IS models, ensuring a precise fit and reliable performance. Its tubular steel construction offers strength and durability while the black coated finish provides corrosion resistance. The control arm features a rubber bushing that helps absorb road vibrations and reduce noise, contributing to a smoother ride. The welded ball joint mounting type with a threaded stud allows for secure attachment, although the ball joint itself is not included. This control arm measures 262.5 mm in length, matching OEM specifications for proper suspension geometry.

Compatible Vehicles and Applications

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

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

Common Issues Addressed by This Control Arm

• Worn or damaged suspension bushings causing poor handling
• Excessive vibration or noise from suspension components
• Misalignment leading to uneven tire wear
• Loose or unstable steering response
• Corroded or weakened control arm structure

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 replacement is needed
• Torque all mounting hardware to manufacturer specifications (mounting hardware not included)
• Alignment check is recommended after installation to maintain proper suspension geometry

Quality Assurance and Warranty

Dorman suspension control arms are manufactured to meet or exceed OEM standards for fit, form, and function. The 524-280 part is constructed from quality steel with a coated finish to resist corrosion and wear. While mounting hardware and ball joints are not included, the included rubber bushing is designed for durability. Please refer to Dorman's warranty policy for specific coverage details.