SKP SK520457 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Front Left Upper Control Arm Assembly

SKP SK520457 is a front left upper suspension control arm and ball joint assembly for select Lexus applications. It is a direct-fit replacement for vehicles that need restored front suspension geometry and stable steering response.

Compatible with Lexus GS300, GS400, GS430, and SC430 applications, this part number SK520457 supports the front left upper position with fitment coverage across model years from 1998 through 2010.

Key Features

• Suspension control arm and ball joint assembly for the front left upper position
• Direct replacement for select Lexus GS300, GS400, GS430, and SC430 models
• OE-style fitment for front suspension service
• Cross-references Dorman OE Solutions 520-457 and MOOG RK620336 for the same application
• Part number SK520457 for ordering and catalog matching

Fitment Details

• Fits 2002-2010 Lexus SC430, front left upper.
• Fits 2004-2005 Lexus GS300, front left upper.
• Fits 1998-2001 Lexus GS300, front left upper.
• Fits 2001-2005 Lexus GS430, front left upper.
• Fits 2003 Lexus GS300, front left upper, w/o Sport Package.
• Fits 2002 Lexus GS300, front left upper, Exc. Special Edition.
• Fits 1998-2000 Lexus GS400, front left upper.

Common Repair Uses

• Front-end looseness or wandering on Lexus GS300, GS400, GS430, or SC430
• Excessive play from a worn upper ball joint
• Uneven tire wear related to front suspension wear
• Clunking or noise from the front left upper suspension area
• Restoring alignment stability after suspension service

Installation Notes

Verify year, model, and trim details before installation, especially for 2002-2003 Lexus GS300 applications with package-specific notes. After replacement, a professional wheel alignment is recommended to confirm proper suspension geometry.

Quality Assurance

SKP SK520457 is cataloged as a suspension replacement part for the listed Lexus applications and is matched to known interchange references for the same fitment.