Suspensia X01CJ0903 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Rearward

Suspension Control Arm for Audi Fitment

The Suspensia X01CJ0903 is a steel suspension control arm and ball joint assembly for select Audi applications. It is built for the front left upper rearward position and is a direct replacement option for vehicles that need precise suspension geometry and stable front-end control.

Key Features

• Steel control arm construction
• Integrated ball joint assembly
• Front left upper rearward position
• OE-style replacement for select Audi models
• Manufactured in Turkey in IATF16949 certified factories

Detailed Description

Suspensia part number X01CJ0903 is engineered for Audi A4, Audi S4, and Audi RS6 applications that use a front left upper rearward suspension control arm. The steel construction provides the structural strength expected in a suspension load path component, while the integrated ball joint assembly supports accurate wheel movement and steering response. Suspensia is part of ISC Industries, a supplier serving OE Tier 1 and Tier 2 customers including Ford, Fiat/Chrysler, Volkswagen Group, and Renault/Nissan.

This part cross-references Dorman - Premium CB43007PR and URO 8E0407509P for the same application. Search terms such as Audi A4 front left upper rearward control arm, Audi S4 suspension control arm assembly, and Audi RS6 front left upper rearward ball joint assembly all point to this replacement part number, X01CJ0903.

Vehicle Fitment

• Fits 2005-2009 Audi A4, Front Left Upper Rearward
• Fits 2004-2006 Audi S4, Front Left Upper Rearward
• Fits 2000-2002 Audi S4, Front Left Upper Rearward
• Fits 1992-1994 Audi S4, Front Left Upper Rearward
• Fits 2003-2004 Audi RS6, Front Left Upper Rearward

Common Repair Uses

• Replacing a worn or loose front left upper rearward control arm
• Restoring suspension alignment on Audi A4, S4, or RS6 models
• Addressing clunking or play from the front suspension
• Correcting uneven tire wear caused by suspension wear
• Recovering steering stability after ball joint wear

Installation Notes and Tips

Verify the front left upper rearward position before ordering and compare the removed part to X01CJ0903 for match confirmation. After installation, a professional wheel alignment is recommended to restore suspension geometry and tire wear characteristics. Inspect adjacent bushings, fasteners, and related front suspension components during service.

Quality Assurance

Suspensia parts are manufactured in Turkey in IATF16949 certified factories, with production backed by ISC Industries’ OE supply experience. The X01CJ0903 control arm is built to meet the demands of select Audi suspension applications.