Moog RK621665 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Overview of Moog RK621665 Suspension Control Arm Assembly

The Moog RK621665 suspension control arm and ball joint assembly is engineered for precise fitment on select Ford, Jaguar, and Lincoln vehicles. Designed with durability and performance in mind, this control arm assembly is pre-greased and includes all necessary bushings and mounting hardware for a straightforward installation.

• Pre-greased for immediate use
• Includes rubber bushings for vibration dampening
• Forged aluminum control arm for strength and reduced weight
• Press-in ball joint with threaded stud for secure mounting
• Mounting hardware included for complete installation
• Compatible with Ford Thunderbird, Lincoln LS, Jaguar S-Type, XJ8, XJR, Super V8, and Vanden Plas models
• Control arm length: 12.560 inches, color: gray

Detailed Product Description

The Moog RK621665 suspension control arm and ball joint assembly is constructed from forged aluminum, providing a balance of strength and lightweight performance. The assembly comes pre-greased, eliminating the need for initial lubrication and ensuring smooth operation from the start. Rubber bushings are included to reduce road noise and absorb vibrations, enhancing ride comfort. The ball joint features a press-in mounting type with a threaded stud, allowing for secure and reliable attachment to the vehicle’s suspension system. This assembly is designed specifically for select Ford, Jaguar, and Lincoln models, including the Ford Thunderbird, Lincoln LS, Jaguar S-Type, XJ8, XJR, Super V8, and Vanden Plas, ensuring precise fitment and optimal suspension performance.

Common Applications and Problem Resolution

• Replaces worn or damaged suspension control arms on compatible Ford, Jaguar, and Lincoln vehicles
• Addresses issues with loose or noisy ball joints
• Improves vehicle handling and steering response
• Eliminates vibration and harshness caused by deteriorated bushings
• Restores proper suspension geometry for safer driving

Installation Notes and Tips

Installation of the Moog RK621665 control arm assembly requires basic suspension knowledge and tools. Since the part comes pre-greased and includes bushings and mounting hardware, preparation time is reduced. It is recommended to inspect related suspension components during installation and replace any worn parts to maintain overall system integrity. Proper torque specifications should be followed to ensure secure mounting. Alignment is necessary after installation to maintain correct suspension geometry and tire wear.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards. The RK621665 control arm 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. Refer to Moog’s official documentation for complete warranty information.