OE Quality
60-Day Returns

Moog RK621369 Suspension Control Arm and Ball Joint Assembly - Front Upper
Moog Suspension Control Arm and Ball Joint Assembly Overview
The Moog RK621369 suspension control arm and ball joint assembly is designed for reliable performance on select Ford and Mercury vehicles. This pre-greased, bolt-in assembly offers a durable stamped steel control arm with rubber bushings, engineered to restore precise suspension geometry for your Mustang, Cougar, or Montego.
- Pre-greased for immediate use and reduced maintenance
- Includes grease fitting for easy lubrication
- Rubber bushings included for vibration dampening
- Bolt-in ball joint mounting with threaded stud for secure fit
- Stamped steel control arm in black finish for corrosion resistance
- Mounting hardware included for straightforward installation
- Compatible with Ford Mustang, Mercury Cougar, and Mercury Montego models
Detailed Product Description
The Moog RK621369 suspension control arm and ball joint assembly is constructed from stamped steel, providing strength and durability required for daily driving conditions. The control arm features a maximum length of 8.850 inches and is finished in black to resist corrosion. Rubber bushings are included to absorb road vibrations and reduce noise, enhancing ride comfort. The ball joint is mounted using a bolt-in design with a threaded stud, ensuring a secure and precise fit. This assembly comes pre-greased and includes a grease fitting, allowing for easy maintenance and extended service life. Mounting hardware is also provided to simplify the installation process.
Compatible Vehicles and Applications
This suspension control arm and ball joint assembly is compatible with the following vehicles:
- Ford Mustang
- Mercury Cougar
- Mercury Montego
It is designed to restore proper suspension alignment and handling characteristics for these models, making it a suitable replacement part for worn or damaged control arms and ball joints.
Common Issues Addressed by This Assembly
- Excessive suspension play causing unstable handling
- Worn or damaged ball joints leading to uneven tire wear
- Noise and vibration from deteriorated bushings
- Misalignment affecting steering response
- Corrosion or damage to original control arm components
Installation Notes and Tips
Installation of the Moog RK621369 assembly requires basic suspension tools and mechanical knowledge. The included mounting hardware facilitates a direct bolt-in replacement. Since the assembly is pre-greased and includes a grease fitting, it is recommended to lubricate the ball joint after installation to ensure optimal performance. Always verify vehicle compatibility before installation and follow manufacturer torque specifications for mounting bolts.
Quality Assurance and Warranty
Moog suspension components are engineered to meet or exceed OEM specifications. The RK621369 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. Consult product documentation or Moog directly for exact warranty terms.
| Brand | Moog |
|---|---|
| Part Number | RK621369 |
| Adjustable | No |
| Ball Joint Mounting Type | Bolt In |
| Ball Joint Stud Type | Threaded |
| Bushing Material | Rubber |
| Bushings Included | Yes |
| Control Arm Color | Black |
| Control Arm Material | Stamped Steel |
| Control Arm Maximum Length | 8.850 |
| Grease Fitting Included | Yes |
| Mounting Hardware Included | Yes |
| Pre-Greased | Yes |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1973 | Ford | Mustang | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1973 | Mercury | Cougar | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1972 | Ford | Mustang | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1972 | Mercury | Cougar | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1971 | Ford | Mustang | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1971 | Mercury | Cougar | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1970 | Ford | Mustang | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1970 | Mercury | Cougar | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1969 | Ford | Mustang | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1969 | Mercury | Cougar | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1969 | Mercury | Montego | MX | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. |
| 1969 | Mercury | Montego | Base | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. |
| 1968 | Ford | Mustang | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1968 | Mercury | Cougar | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. | |
| 1967 | Ford | Mustang | Front Upper | Suspension Control Arm and Ball Joint Assembly meets OEM standards. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.