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Dorman 520-903 Suspension Control Arm - Front Left Upper
Durable Aluminum Suspension Control Arm for Cadillac and Chevrolet
The Dorman 520-903 suspension control arm is engineered to provide reliable performance for Cadillac Corvette and Chevrolet XLR models. Crafted from high-quality aluminum with a coated silver finish, this control arm offers strength and corrosion resistance for long-lasting use.
Key Features of the Dorman 520-903 Control Arm
- Constructed from durable aluminum with casting and forging for enhanced strength
- Includes a black rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter
- Coated silver finish for corrosion protection
- Overall length of 262.5 mm and bushing length of 92 mm for precise fitment
- Bushing included, ball joint not included; bolt-in ball joint mounting with threaded stud type
- Press-in end type with linkage end type bushing for secure installation
Detailed Description
The Dorman 520-903 suspension control arm is designed specifically for Cadillac Corvette and Chevrolet XLR vehicles, ensuring compatibility and proper fit. Made from aluminum with a casting and forging construction, this control arm balances lightweight design with structural integrity. The included rubber bushing reduces vibration and noise, improving ride quality. Its coated silver finish helps resist corrosion, extending the component's service life. The control arm features a bolt-in ball joint mounting type with a threaded stud, though the ball joint itself is not included. This part is engineered to meet regular grade specifications and is not adjustable.
Common Applications and Problem Solving
- Replaces worn or damaged suspension control arms on Cadillac Corvette and Chevrolet XLR
- Addresses issues with suspension noise caused by deteriorated bushings
- Improves vehicle handling and alignment stability
- Restores proper suspension geometry after impact or wear
- Helps reduce vibration and harshness transmitted through the suspension
Installation Notes and Tips
Installation requires removal of the old control arm and proper torqueing of mounting bolts. Since mounting hardware and ball joint are not included, ensure these components are inspected and replaced if necessary. The bolt-in ball joint mounting and press-in end type require appropriate tools for secure installation. Verify bushing condition and alignment during installation to maintain suspension performance.
Quality Assurance
Dorman suspension components are manufactured to meet industry standards for durability and fitment. The 520-903 control arm undergoes rigorous quality checks to ensure reliable performance on Cadillac Corvette and Chevrolet XLR models. Please consult product documentation for warranty details.
| Brand | Dorman |
| Part Number | 520-903 |
| Material | Aluminum |
| Bushing Color | Black |
| Length | 390 |
| Construction | Casting/forged |
| Color | Silver |
| Finish | Coated |
| Grease Fitting Included | No |
| Bushings Included | Yes |
| Ball Joint Mounting Type | Bolt in |
| Ball Joint Stud Type | Threaded |
| Ball Joint Included | No |
| Mounting Hardware Included | No |
| Grade Type | Regular |
| Adjustable | No |
| Bushing Material | Rubber |
| Bushing Inside Diameter | 14.3 |
| Bushing Length | 92 |
| Ball Joint Installed | No |
| Bushing Outside Diameter | 39.6 mm |
| Bushing Quantity | 1 |
| End 2 Type | Press in |
| Linkage End Type | Bushing |
| Mounting Brackets Included | No |
| Overall Length | 262.5 mm |
| Package Contents | Control arm |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2013 | Chevrolet | Corvette | Front Left Upper | |
| 2012 | Chevrolet | Corvette | Front Left Upper | |
| 2011 | Chevrolet | Corvette | Front Left Upper | |
| 2010 | Chevrolet | Corvette | Front Left Upper | |
| 2009 | Cadillac | XLR | Front Left Upper | |
| 2009 | Chevrolet | Corvette | Front Left Upper | |
| 2008 | Cadillac | XLR | Front Left Upper | |
| 2008 | Chevrolet | Corvette | Front Left Upper | |
| 2007 | Cadillac | XLR | Front Left Upper | |
| 2007 | Chevrolet | Corvette | Front Left Upper | |
| 2006 | Cadillac | XLR | Front Left Upper | |
| 2006 | Chevrolet | Corvette | Front Left Upper | |
| 2005 | Cadillac | XLR | Front Left Upper | |
| 2005 | Chevrolet | Corvette | Front Left Upper | |
| 2004 | Cadillac | XLR | 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.