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Dorman 521-750 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Rearward
Overview of Dorman Suspension Control Arm and Ball Joint Assembly
The Dorman 521-750 suspension control arm and ball joint assembly is designed for Audi and Volkswagen vehicles, including the A8 Quattro, Phaeton, and S8 models. This pre-greased, aluminum control arm assembly offers a reliable replacement option for light suspension grade applications.
- Pre-greased for immediate installation
- Includes rubber bushings and mounting hardware
- Aluminum control arm with casting/forged construction
- Press-in ball joint with threaded stud included and installed
- Compatible with Audi A8 Quattro, Volkswagen Phaeton, and S8
Product Features and Specifications
The Dorman 521-750 control arm assembly features a durable aluminum control arm with a black finish, measuring up to 288.5 mm in width and 237 mm in length. It includes rubber bushings to reduce vibration and noise, and a press-in ball joint with a 14 mm threaded stud for secure mounting. The assembly comes with one mounting hole of 12.3 mm diameter and all necessary mounting hardware for straightforward installation. This assembly is designed for light suspension grade use and is not adjustable.
Application and Compatibility
This suspension control arm and ball joint assembly is compatible with select Audi and Volkswagen models, specifically the Audi A8 Quattro, Volkswagen Phaeton, and S8. It is engineered to meet the suspension requirements of these vehicles, ensuring proper fit and function when replacing worn or damaged components.
- Replaces worn or damaged control arms and ball joints
- Restores proper suspension alignment and handling
- Reduces suspension noise and vibration
- Improves vehicle stability and ride quality
- Addresses issues related to loose or failing ball joints
Installation Notes and Tips
The Dorman 521-750 assembly comes pre-greased and includes all necessary mounting hardware, simplifying the installation process. Since the ball joint is press-in type with a threaded stud, proper tools are recommended for removal and installation to avoid damage. This control arm is not adjustable, so alignment should be checked and adjusted after installation to ensure optimal suspension performance.
Quality Assurance and Warranty
Dorman suspension components are manufactured to meet or exceed OEM standards for durability and fitment. The 521-750 control arm and ball joint assembly undergoes quality inspections to ensure reliable performance. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 521-750 |
| Adjustable | No |
| Ball Joint Included | Yes |
| Ball Joint Installed | Yes |
| Ball Joint Mounting Type | Press In |
| Ball Joint Stud Type | Threaded |
| Ball Joint Thread Diameter | 14 |
| Bushing Material | Rubber |
| Bushings Included | Yes |
| Control Arm Color | Black |
| Control Arm Material | Aluminum |
| Control Arm Maximum Length | 237 |
| Control Arm Maximum Width | 288.5 |
| Control Arm Type | Casting/Forged |
| Grade Type | Regular |
| Grease Fitting Included | No |
| Mounting Hardware Included | Yes |
| Mounting Hole Diameter | 12.3 mm |
| Mounting Hole Quantity | 1 |
| Package Contents | Control Arm and Ball Joint Assembly |
| Pre-Greased | Yes |
| Suspension Grade Type | Light |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Audi | A8 Quattro | Front Right Lower Rearward | |
| 2009 | Audi | A8 Quattro | Front Right Lower Rearward | |
| 2009 | Audi | S8 | Front Right Lower Rearward | |
| 2008 | Audi | A8 Quattro | Front Right Lower Rearward | |
| 2008 | Audi | S8 | Front Right Lower Rearward | |
| 2007 | Audi | A8 Quattro | Front Right Lower Rearward | |
| 2007 | Audi | S8 | Front Right Lower Rearward | |
| 2006 | Audi | A8 Quattro | Front Right Lower Rearward | |
| 2006 | Volkswagen | Phaeton | Front Right Lower Rearward | |
| 2005 | Audi | A8 Quattro | Front Right Lower Rearward | |
| 2005 | Volkswagen | Phaeton | Front Right Lower Rearward | |
| 2004 | Audi | A8 Quattro | Front Right Lower Rearward | |
| 2004 | Volkswagen | Phaeton | Front Right Lower Rearward |
* 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.