Moog RK620056 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Moog Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK620056 suspension control arm and ball joint assembly is engineered for reliable performance in Ford and Lincoln vehicles. Designed specifically for models like the Ford F-150, F-250, Expedition, and Lincoln Navigator, this assembly ensures precise fitment and durability.

• Pre-greased for immediate use and reduced maintenance
• Includes grease fitting for easy lubrication
• Comes with rubber bushings for effective vibration dampening
• Stamped steel control arm construction for strength and longevity
• Press-in ball joint mounting with threaded stud for secure installation
• Mounting hardware included for a complete replacement solution
• Control arm finished in black for corrosion resistance
• Maximum control arm length of 18.340 inches

Detailed Product Description

The Moog RK620056 suspension control arm and ball joint assembly is a direct replacement part designed to restore proper suspension geometry and handling characteristics on compatible Ford and Lincoln trucks and SUVs. Featuring a stamped steel control arm, this assembly offers a balance of strength and flexibility necessary for demanding driving conditions. The included rubber bushings help absorb road vibrations, improving ride comfort and reducing noise. The ball joint is press-in mounted with a threaded stud, ensuring a secure and reliable connection to the steering knuckle. Pre-greased components and an included grease fitting simplify maintenance and extend service life. This assembly is finished in black to resist corrosion and maintain appearance over time.

Compatible Vehicles and Applications

This Moog RK620056 control arm and ball joint assembly is compatible with the following Ford and Lincoln models:

• Ford F-150 and F-150 Heritage
• Ford F-250
• Ford Expedition
• Lincoln Navigator
• Lincoln Blackwood

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling
• Loose or failing ball joints leading to steering instability
• Excessive suspension noise or vibration
• Uneven tire wear due to misaligned suspension components
• Difficulty maintaining proper wheel alignment

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before beginning installation
• Use the included mounting hardware for proper fit and torque specifications
• Verify ball joint stud threads match the vehicle’s steering knuckle
• Lubricate the grease fitting after installation to maintain ball joint performance
• Check wheel alignment after replacement to ensure optimal handling

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards, providing dependable performance and durability. The RK620056 assembly comes pre-greased and includes all necessary hardware for a complete installation. While specific warranty details may vary, Moog typically offers a limited warranty against defects in materials and workmanship to support product reliability.