HomeSuspension > Suspension, Springs and Related ComponentsDorman 520-903 Suspension Control Arm - Front Left Upper
Part #: 520-903

Dorman 520-903 Suspension Control Arm - Front Left Upper

Front Left Upper
⚙️ 15 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac and Chevrolet, Corvette and XLR
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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.

BrandDorman
Part Number520-903
MaterialAluminum
Bushing ColorBlack
Length390
ConstructionCasting/forged
ColorSilver
FinishCoated
Grease Fitting IncludedNo
Bushings IncludedYes
Ball Joint Mounting TypeBolt in
Ball Joint Stud TypeThreaded
Ball Joint IncludedNo
Mounting Hardware IncludedNo
Grade TypeRegular
AdjustableNo
Bushing MaterialRubber
Bushing Inside Diameter14.3
Bushing Length92
Ball Joint InstalledNo
Bushing Outside Diameter39.6 mm
Bushing Quantity1
End 2 TypePress in
Linkage End TypeBushing
Mounting Brackets IncludedNo
Overall Length262.5 mm
Package ContentsControl arm

This part fits 15 vehicles. Search below:

YearMakeModelPositionNotes
2013ChevroletCorvetteFront Left Upper
2012ChevroletCorvetteFront Left Upper
2011ChevroletCorvetteFront Left Upper
2010ChevroletCorvetteFront Left Upper
2009CadillacXLRFront Left Upper
2009ChevroletCorvetteFront Left Upper
2008CadillacXLRFront Left Upper
2008ChevroletCorvetteFront Left Upper
2007CadillacXLRFront Left Upper
2007ChevroletCorvetteFront Left Upper
2006CadillacXLRFront Left Upper
2006ChevroletCorvetteFront Left Upper
2005CadillacXLRFront Left Upper
2005ChevroletCorvetteFront Left Upper
2004CadillacXLRFront 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:

10356433CMS501035RK642828

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.