Dorman 528-304 Alignment Caster / Camber Control Arm - Front Upper

Dorman 528-304 Front Upper Alignment Control Arm

Dorman 528-304 is an adjustable caster/camber control arm for front upper suspension alignment on select Lexus models. It is built from steel with a tubular construction and includes a ball joint, bushings, and a grease fitting for serviceable alignment correction after suspension changes or collision repair.

Key Features

• Adjustable front upper caster/camber control arm for alignment correction
• Steel, tubular construction for suspension replacement use
• Includes ball joint with tapered stud and bolt-in mounting type
• Includes bushings with rubber and steel bushing materials
• Grease fitting included for maintenance access
• Standard replacement suspension grade
• Adjusts caster from -1.0 to +1.0 degrees on listed applications

Detailed Description

This Dorman alignment caster/camber control arm is made for front upper suspension service on Lexus GS300, GS400, GS430, and SC430 applications. Part number 528-304 provides an adjustable solution when factory alignment settings need correction after body work, worn suspension components, or changes from aftermarket wheels and modified suspension geometry. This part cross-references Mevotech Supreme CMS861207 for the same application.

Compatible With 1993-2005 Lexus GS300, front upper; 1998-2000 Lexus GS400, front upper; 2001-2005 Lexus GS430, front upper; and 2002-2010 Lexus SC430, front upper. The design supports caster adjustment within the specified range while maintaining a standard replacement fit for the listed vehicles.

What It Helps Correct

• Front-end alignment issues after collision repairs
• Caster settings that are outside specification
• Camber/caster correction needs after suspension modifications
• Uneven tire wear caused by misalignment
• Steering pull related to incorrect front upper geometry

Installation Notes and Tips

Install on the front upper position only for the listed Lexus applications. After installation, perform a professional wheel alignment and verify caster settings within the vehicle’s specified range. Because this arm includes a ball joint and serviceable fittings, inspect adjacent suspension components, fasteners, and mounting points before final alignment.

Quality Assurance

Dorman manufactures this part as a standard replacement suspension component with steel construction and included service hardware components listed in the package contents. Part number 528-304 is built for direct alignment correction on the specified Lexus GS300, GS400, GS430, and SC430 applications.