OE Quality
60-Day Returns

Dorman 521-700 Suspension Control Arm and Ball Joint Assembly - Front Right Lower
Durable Suspension Control Arm and Ball Joint Assembly for Acura RDX
The Dorman 521-700 suspension control arm and ball joint assembly is designed specifically for Acura RDX models. This pre-greased, boxed steel control arm offers reliable performance and durability for light suspension applications.
- Pre-greased for immediate use without additional lubrication
- Includes rubber bushings for effective vibration dampening
- Bolt-in ball joint with threaded stud for secure mounting
- Constructed from durable boxed steel with a black finish
- Includes mounting hardware for straightforward installation
- Designed for light suspension grade applications
- Control arm dimensions: maximum length 237 mm, maximum width 288.5 mm
- Single mounting hole with 12.3 mm diameter
Product Details and Specifications
The Dorman 521-700 control arm and ball joint assembly is engineered to meet the suspension needs of Acura RDX vehicles. Featuring a boxed steel control arm, this assembly provides structural strength and resistance to wear. The rubber bushings included help reduce road noise and absorb shocks, improving ride quality. The ball joint is pre-installed and features a threaded stud with a 14 mm thread diameter, secured via a bolt-in mounting type for reliable connection to the suspension system. This assembly is pre-greased, eliminating the need for immediate maintenance after installation. The black finish on the control arm offers corrosion resistance and a clean appearance.
Compatible Applications and Common Issues Addressed
- Replacement for worn or damaged suspension control arms on Acura RDX
- Resolves issues related to loose or noisy ball joints
- Addresses suspension misalignment caused by deteriorated bushings
- Improves vehicle handling and steering response
- Eliminates vibrations and uneven tire wear due to faulty suspension components
Installation Notes and Tips
Installation of the Dorman 521-700 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for immediate installation. Ensure the mounting hole aligns properly with the vehicle’s frame and torque all bolts to manufacturer specifications. This part is not adjustable, so proper alignment should be verified after installation. It is recommended to inspect related suspension components during replacement to maintain overall system integrity.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 521-700 suspension control arm and ball joint assembly undergoes quality checks to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their suspension components. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Dorman |
| Part Number | 521-700 |
| Pre-Greased | Yes |
| Grease Fitting Included | No |
| Suspension Grade Type | Light |
| Bushings Included | Yes |
| Ball Joint Mounting Type | Bolt in |
| Ball Joint Stud Type | Threaded |
| Control Arm Material | Steel |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 1 |
| Adjustable | No |
| Control Arm Maximum Width | 288.5 |
| Control Arm Color | Black |
| Ball Joint Thread Diameter | 14 |
| Control Arm Maximum Length | 237 |
| Bushing Material | Rubber |
| Ball Joint Included | Yes |
| Ball Joint Installed | Yes |
| Control Arm Type | Boxed |
| Grade Type | Regular |
| Mounting Hole Diameter | 12.3 mm |
| Package Contents | Control arm and ball joint assembly |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Acura | RDX | Front Right Lower | |
| 2011 | Acura | RDX | Front Right Lower | |
| 2010 | Acura | RDX | Front Right Lower | |
| 2009 | Acura | RDX | Front Right Lower | |
| 2008 | Acura | RDX | Front Right Lower | |
| 2007 | Acura | RDX | Front Right Lower |
* 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.