Moog RK620320 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Moog Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK620320 suspension control arm and ball joint assembly is engineered for reliable performance on Ford, Mazda, and Mercury vehicles. Designed specifically for models like the Ford Ranger, Explorer, and Mazda B2500, this assembly ensures precise fitment and durability.

• Pre-greased for immediate use and extended service life
• Includes grease fitting for easy maintenance
• Comes with rubber bushings to reduce vibration and noise
• Stamped steel control arm construction for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Control arm finished in black for corrosion resistance
• Compatible with Ford Ranger, Explorer, Explorer Sport Trac, Mountaineer, Mazda B2500, B3000, B4000, and Mercury models

Detailed Product Description

The Moog RK620320 suspension control arm and ball joint assembly is a direct replacement part designed to restore suspension geometry and handling characteristics on select Ford, Mazda, and Mercury trucks and SUVs. The control arm is constructed from stamped steel, providing a balance of strength and flexibility necessary for off-road and on-road driving conditions. The assembly includes rubber bushings that help absorb road shocks and reduce noise, contributing to a smoother ride.

This assembly features a press-in ball joint with a threaded stud type, ensuring a secure and reliable connection to the vehicle’s suspension system. The pre-greased ball joint and included grease fitting allow for easy lubrication, extending the life of the joint and maintaining optimal performance. The black finish on the control arm offers protection against corrosion, helping to maintain the part’s integrity over time.

Compatible Vehicles and Applications

This Moog RK620320 control arm and ball joint assembly is compatible with the following makes and models:

• Ford Ranger
• Ford Explorer, Explorer Sport, Explorer Sport Trac
• Ford Mountaineer
• Mazda B2500, B3000, B4000
• Mercury models matching the above platforms

Common Suspension Issues Addressed

• Worn or damaged ball joints causing steering play or uneven tire wear
• Degraded bushings leading to excessive vibration and noise
• Corroded or bent control arms affecting alignment and handling
• Difficulty maintaining proper suspension geometry
• Loose or faulty mounting hardware impacting suspension stability

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before removal
• Use included mounting hardware for proper fit and torque specifications
• Lubricate ball joint through grease fitting after installation
• Check alignment after installation to maintain handling performance
• Consult vehicle service manual for specific torque values and procedures

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The RK620320 assembly comes pre-greased and includes all necessary hardware for installation. While specific warranty details vary, Moog typically offers a limited warranty against defects in materials and workmanship. Refer to Moog’s official documentation for complete warranty information.