Moog RK90699 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Forward or Front Left Upper Rearward

OE-Style Front Left Upper Control Arm

Moog RK90699 is a front left upper rearward or front left upper forward suspension control arm and ball joint assembly for select Audi and Volkswagen applications. It is built with forged aluminum for structural strength and corrosion protection, and it comes pre-greased with bushings and mounting hardware included.

Key Features

• Forged aluminum control arm with a gray finish
• Pre-greased for initial service readiness
• Rubber bushings included
• Press-in ball joint with pinch-style stud
• Mounting hardware included
• Non-adjustable design
• Control arm maximum length: 9.790

Detailed Description

Moog RK90699 is engineered as a premium suspension control arm and ball joint assembly for foreign and domestic nameplates, with a focus on structural strength and corrosion protection. The forged aluminum construction helps maintain rigidity while keeping the assembly lightweight, and the rubber bushings are selected for controlled suspension movement and road isolation. This part cross-references Beck/Arnley 102-4962 and Dorman OE Solutions 521-257 for the same application. It is a direct-fit replacement for Audi A4, Audi A4 Quattro, Audi A8, Audi A8 Quattro, Audi S8, and Volkswagen Passat applications listed below, including front left upper rearward and front left upper forward positions.

Common Problems This Part Helps Address

• Excessive front suspension play from worn control arm bushings
• Clunking or knocking from a loose upper control arm assembly
• Uneven tire wear caused by worn suspension geometry components
• Steering instability from a deteriorated ball joint connection
• Corrosion-related replacement needs on aging OE suspension parts

Installation Notes and Fitment

• Fits 1997-2003 Audi A8 Quattro, front left upper rearward
• Fits 2001-2003 Audi S8, front left upper forward
• Fits 1997-1999 Audi A8, front left upper rearward
• Fits 1999 Volkswagen Passat, front left upper rearward; to VIN # X113734
• Fits 1998 Audi A4, front left upper rearward; to Chassis # 8DW260129
• Fits 1998 Volkswagen Passat, front left upper rearward
• Fits 1997 Audi A4, front left upper rearward; from Chassis Serial Number 8D-V-152088
• Fits 1997 Audi A4 Quattro, front left upper rearward; to Chassis Serial Number 8D-V-160000
• Fits 1996 Audi A4, front left upper rearward
• Fits 1996 Audi A4 Quattro, front left upper rearward
• Verify chassis or VIN breakpoints before ordering, especially on Audi A4, Audi A4 Quattro, and Volkswagen Passat models.
• Professional suspension service is recommended so the press-in ball joint and alignment-sensitive components are installed correctly.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with OE-style fitment focus for Audi and Volkswagen suspension service. RK90699 is built to meet the application requirements listed for these Audi A4, Audi A4 Quattro, Audi A8, Audi A8 Quattro, Audi S8, and Volkswagen Passat models.