SKP SK521429 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Product Overview

SKP SK521429 is a suspension control arm and ball joint assembly for the front left upper position. It is built for direct replacement service on select Jaguar, Lincoln, and Ford applications, including Jaguar XJ8, Jaguar XJR, Lincoln LS, and Ford Thunderbird models.

This part cross-references Dorman - OE Solutions 521-429 and MOOG Chassis Products RK621665 for the same application.

Key Features

• Suspension control arm and ball joint assembly for front left upper service.
• Direct replacement format for select luxury and performance sedan applications.
• Fits Jaguar S-Type, XJ8, XJR, and Super V8 applications listed below.
• Also fits Lincoln LS and Ford Thunderbird applications listed below.
• SKP SK521429 is referenced by common aftermarket part numbers for easier matching.

Detailed Description

SKP SK521429 is a front left upper suspension control arm and ball joint assembly used to restore steering and suspension geometry on the listed vehicles. It is a fitment-specific replacement for 2000-2009 Jaguar S-Type, 2004-2009 Jaguar XJ8, 2004-2009 Jaguar XJR, 2005-2009 Jaguar Super V8, 2000-2006 Lincoln LS, and 2002-2005 Ford Thunderbird applications. For Jaguar XJ8 and Jaguar XJR owners, this part supports the upper control arm location at the front left side. For Jaguar S-Type applications, fitment includes 2000-2002 and 2000-2003 vehicles, with the latter limited to vehicles up to VIN M45254.

SK521429 is a practical replacement choice when the original control arm or ball joint shows wear, looseness, or alignment-related issues. The part number SK521429 is also associated with Dorman - OE Solutions 521-429 and MOOG Chassis Products RK621665, which helps when verifying the correct suspension component for a Jaguar XJ8, Lincoln LS, or Ford Thunderbird repair.

What It Is Used For

• Correcting front-end looseness or play from a worn control arm assembly.
• Addressing uneven tire wear related to suspension geometry changes.
• Replacing a damaged ball joint or control arm in the upper front left position.
• Restoring stable steering response on the listed Jaguar, Lincoln, and Ford models.

Installation Notes and Tips

Confirm the vehicle year, model, and front left upper position before ordering. For Jaguar S-Type applications, verify the VIN note where listed, since one fitment range is limited to vehicles up to VIN M45254. After installation, a professional wheel alignment is recommended to verify suspension angles and steering performance.

Quality Assurance

SKP SK521429 is cataloged as a replacement suspension component for the specified applications and is cross-referenced to established aftermarket part numbers for fitment verification.