Moog RK90494 Suspension Control Arm and Ball Joint Assembly - Front Lower Forward

Moog RK90494 Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK90494 suspension control arm and ball joint assembly is engineered for precise fitment on select Audi and Volkswagen models. Designed with durability and performance in mind, this assembly ensures reliable suspension function for vehicles like the Audi A4, A6, A8, and Volkswagen Passat and S4.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Forged aluminum control arm construction for strength and reduced weight
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, A8, A8 Quattro, Volkswagen Passat, and S4

Durable Construction and Key Features

The RK90494 control arm assembly features a forged aluminum control arm finished in gray, providing a balance of strength and corrosion resistance. The included rubber bushings help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted with a threaded stud type, ensuring a secure and reliable connection to the suspension system. This assembly comes pre-greased, eliminating the need for additional lubrication during installation, and includes all necessary mounting hardware for a straightforward replacement process.

Compatible Vehicles and Applications

This Moog suspension control arm and ball joint assembly is specifically designed for compatibility with various Audi and Volkswagen models. It fits the Audi A4, A4 Quattro, A6, A6 Quattro, A8, A8 Quattro, as well as the Volkswagen Passat and S4. The part number RK90494 ensures precise fitment and performance for these vehicles, making it a reliable choice for suspension repairs and maintenance.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Suspension noise due to degraded rubber bushings
• Reduced handling performance from weakened control arm components
• Corrosion or fatigue in original suspension parts

Installation Notes and Tips

Installation of the Moog RK90494 assembly requires basic suspension knowledge and tools. Since the control arm comes pre-greased and includes mounting hardware, preparation time is minimized. It is important to torque all fasteners to manufacturer specifications and perform a wheel alignment after installation to ensure proper handling and tire wear. The press-in ball joint design requires appropriate tools for removal and installation to avoid damage.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards. The RK90494 assembly undergoes rigorous testing to ensure durability and performance. While specific warranty details may vary, Moog typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the product's reliability for Audi and Volkswagen suspension repairs.