Dorman 524-406 Suspension Control Arm - Rear Left Lower Forward or Rear Right Lower Forward

Dorman 524-406 Suspension Control Arm

This Dorman suspension control arm is a direct replacement for specific rear suspension positions on the 2006 Lexus GS300 and GS430. Built from steel with a tubular construction and E-coat finish, it is engineered for dependable OE-style fit and function in the rear suspension.

• Steel construction with tubular design for structural strength
• E-coat finish for added corrosion resistance
• Rubber bushing included for suspension articulation
• Threaded ball joint stud type
• Black finish and black bushing color
• Direct replacement for rear left lower forward and rear right lower forward positions

Fitment Details

Compatible With 2006 Lexus GS300, rear left lower forward, to 7/05. Compatible With 2006 Lexus GS300, rear right lower forward, to 7/05. Compatible With 2006 Lexus GS430, rear left lower forward, to 7/05. Compatible With 2006 Lexus GS430, rear right lower forward, to 7/05.

Part number 524-406 is built for the rear suspension control arm location on these Lexus GS models, where precise geometry and bushing condition are important for stable handling and consistent alignment. This Dorman 524-406 replacement control arm is also a practical match when servicing worn rear suspension components on the Lexus GS300 and Lexus GS430.

Key Features

• Material: steel
• Construction: tubular
• Finish: E-coat
• Bushings included: yes
• Bushing material: rubber
• Ball joint included: no
• Mounting hardware included: no
• Adjustable: no

Common Repair Symptoms

• Rear suspension clunking or knocking over bumps
• Uneven tire wear from worn rear control arm bushings
• Loose or unstable rear-end feel during cornering
• Alignment issues after suspension wear
• Visible cracking or separation in the original control arm bushings

Installation Notes

Verify the rear left lower forward or rear right lower forward position before ordering. Compare the original arm length, bushing layout, and attachment style to confirm match-up on the 2006 Lexus GS300 or GS430. Because mounting hardware is not included, reuse or replace fasteners as needed during installation, and complete a wheel alignment after replacement.

Quality Assurance

Dorman designs this suspension control arm as a precision-engineered replacement and subjects it to testing for reliable service on the specified vehicles. Cross-reference part numbers include Mevotech Supreme CMS861050 and OE-style references such as RK641828.