OE Quality
60-Day Returns

Suspensia X31CJ7677 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
Suspensia Suspension Control Arm and Ball Joint Assembly Overview
The Suspensia X31CJ7677 suspension control arm and ball joint assembly is engineered for reliable performance in Mercedes-Benz E320, E350, E500, and E550 models. Constructed from forged steel with integrated rubber bushings and dust boots, this assembly ensures durability and smooth suspension operation.
- Forged steel construction for strength and durability
- Pre-greased ball joint for immediate use
- Includes rubber bushings and dust boots in black for protection and noise reduction
- Compatible with Mercedes-Benz E320, E350, E500, and E550 models
- Stud thread size M10 x 1.5 with included lock nut
- Wrench size 17 for installation
Detailed Product Description
The Suspensia X31CJ7677 suspension control arm and ball joint assembly is designed to meet the specific suspension requirements of select Mercedes-Benz vehicles. The forged steel material provides a robust framework capable of withstanding road stresses, while the rubber bushings and dust boots help absorb vibrations and protect internal components from dirt and moisture. This assembly comes pre-greased, eliminating the need for additional lubrication during installation. The black bushings and boots are made from durable rubber, contributing to noise reduction and extended service life. The included lock nut and M10 x 1.5 stud thread size ensure secure attachment, and the wrench size 17 specification facilitates proper installation.
Compatible Vehicles and Applications
This control arm and ball joint assembly is compatible with the following Mercedes-Benz models:
- Mercedes-Benz E320
- Mercedes-Benz E350
- Mercedes-Benz E500
- Mercedes-Benz E550
It is designed to replace worn or damaged suspension components, restoring proper alignment and handling characteristics.
Common Issues Addressed by This Part
- Excessive suspension noise or clunking
- Uneven tire wear due to misalignment
- Loose or unstable steering feel
- Vibration or shaking during driving
- Worn or damaged bushings causing suspension play
Installation Notes and Tips
- Ensure vehicle is securely lifted and supported before installation
- Use a 17mm wrench for proper torque application on fasteners
- Verify the M10 x 1.5 stud thread compatibility with your vehicle's mounting points
- Check for proper seating of rubber bushings and dust boots to prevent premature wear
- Although pre-greased, inspect ball joint for smooth movement after installation
Quality Assurance and Warranty
Suspensia suspension components are manufactured to meet OEM standards for fit and function. The X31CJ7677 assembly undergoes rigorous quality control to ensure durability and performance. This part includes a lock nut for secure installation but does not include a castle nut, grease fitting, or cotter pin. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
This part fits 13 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Mercedes-Benz | E350 | 4Matic | AWD | Front Left Upper | |
| 2009 | Mercedes-Benz | E550 | 4Matic | AWD | Front Left Upper | |
| 2008 | Mercedes-Benz | E350 | 4Matic | AWD | Front Left Upper | |
| 2008 | Mercedes-Benz | E550 | 4Matic | AWD | Front Left Upper | |
| 2007 | Mercedes-Benz | E350 | 4Matic | AWD | Front Left Upper | |
| 2007 | Mercedes-Benz | E550 | 4Matic | AWD | Front Left Upper | |
| 2006 | Mercedes-Benz | E350 | 4Matic | AWD | Front Left Upper | |
| 2006 | Mercedes-Benz | E500 | 4Matic | AWD | Front Left Upper | |
| 2005 | Mercedes-Benz | E320 | 4Matic | AWD | Front Left Upper | |
| 2005 | Mercedes-Benz | E500 | 4Matic | AWD | Front Left Upper | |
| 2004 | Mercedes-Benz | E320 | 4Matic | AWD | Front Left Upper | |
| 2004 | Mercedes-Benz | E500 | 4Matic | AWD | Front Left Upper | |
| 2003 | Mercedes-Benz | E320 | 4Matic | AWD | Front Left Upper |
* 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.