1. Product Overview
The MOOG RK623105 Suspension Control Arm and Ball Joint Assembly is engineered for structural strength and corrosion protection, designed for specific vehicle applications. This component is critical for maintaining proper vehicle steering and suspension performance.

Image 1.1: The MOOG RK623105 Suspension Control Arm and Ball Joint Assembly, showcasing the main component and associated hardware.
2. What's in the Box
- 1x RK623105 Suspension Control Arm and Ball Joint Assembly

Image 2.1: Detailed view of the MOOG RK623105 control arm and ball joint, including the nut and cotter pin.
3. Key Features
- Enhanced Structural Strength: Heat processed to meet or exceed original equipment (OE) requirements, inhibiting premature failure.
- Added Corrosion Protection: Coated studs and e-coated cast iron and steel control arms inhibit premature wear.
- Easy Installation: Precision tolerances ensure easy installation and steering alignment for a perfect fit.
- Installation Ready: Pre-installed ball joints with sealed sockets for maintenance-free operation.
- Long Life: Ball stud shape ensures fatigue life, compensating for sag and suspension, and adding extra swing when needed.
- Highly Precise Engineering: Optimized for quiet operation and designed to inhibit wear from salt, road grime, and oils.

Image 3.1: Illustration highlighting the added corrosion protection on MOOG control arm studs, designed for extended service life.

Image 3.2: Depiction of a MOOG control arm being installed, emphasizing its direct-fit design for ease of installation and proper steering alignment.
4. Installation Guidelines
Installation of suspension components requires specialized tools and knowledge. It is highly recommended that this MOOG RK623105 Suspension Control Arm and Ball Joint Assembly be installed by a qualified automotive technician to ensure proper fitment, safety, and vehicle alignment.
The assembly is designed for direct replacement, featuring pre-installed ball joints for convenience. Refer to your vehicle's specific service manual for detailed removal and installation procedures.

Image 4.1: A MOOG control arm installed within a vehicle's suspension system, illustrating its position and connection points.

Image 4.2: Diagram illustrating the location of upper and lower control arms within a vehicle's suspension, providing context for the RK623105 assembly.
5. Function and Operation
The control arm is a crucial link in your vehicle's suspension system, connecting the wheel hub to the vehicle frame. It allows for vertical movement of the wheel while maintaining proper alignment and stability. The integrated ball joint facilitates steering by allowing the wheel to pivot smoothly.
Proper functioning of the control arm and ball joint assembly ensures precise steering response, stable handling, and a comfortable ride. Worn or damaged components can compromise vehicle safety and performance.
6. Maintenance
The MOOG RK623105 features sealed sockets for maintenance-free operation of the ball joint. Where applicable, grease fittings are included to allow for periodic lubrication, which can extend the life of the component by reducing friction and preventing wear.
Regular inspection of suspension components during routine vehicle maintenance is recommended to identify any signs of wear or damage early.
7. Troubleshooting Common Symptoms
If you experience any of the following symptoms, it may indicate an issue with your control arm or other suspension components. Professional inspection is advised.
Symptom 1: Steering Wheel PlayExcessive looseness or play in the steering wheel, making it difficult to maintain a straight path.
Symptom 2: VibrationVibrations felt through the steering wheel or floorboards, especially at certain speeds.
Symptom 3: Vehicle PullingThe vehicle consistently pulls to one side, requiring constant steering correction.
Symptom 4: Uneven Tire WearTires showing unusual or uneven wear patterns, indicating alignment issues or worn suspension components.
8. Specifications
| Attribute | Value |
|---|---|
| Brand | MOOG |
| Model Number | RK623105 |
| Fit Type | Vehicle Specific Fit |
| Auto Part Position | Right |
| Material | Alloy Steel, Iron |
| Item Weight | 9.13 pounds |
| Product Dimensions | 23.8 x 6 x 5 inches |
| UPC | 080066702766 |
| Manufacturer | MOOG Chassis Products |
9. Product Video Overview
Video 9.1: An official MOOG video titled "MOOG Premium Control Arms | Tradition of Innovation," providing an overview of MOOG control arm features and engineering principles. Duration: 1 minute, 5 seconds.
10. Safety Information
Proposition 65 Warning:
This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
11. Support
For further assistance, technical support, or warranty information regarding your MOOG RK623105 Suspension Control Arm and Ball Joint Assembly, please contact MOOG customer service or visit the official MOOG website. Always refer to your vehicle's specific service manual for detailed repair and maintenance procedures.
Visit the MOOG Store for more products and information.





