HomeSuspension > Suspension, Springs and Related ComponentsDorman 521-793 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
Part #: 521-793

Dorman 521-793 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Front Left Upper
⚙️ 13 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: Ford, Mercury, and Mazda, Fusion, Milan, and 6
🔄Easy Returns — Return within 60 days for a full refund
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Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-793 suspension control arm and ball joint assembly is engineered for reliable performance in Ford Fusion, Mazda 6, and Mercury Milan vehicles. Designed with pre-greased components and included bushings, this assembly ensures smooth suspension operation and long-lasting durability.

  • Pre-greased for immediate use and reduced maintenance
  • Includes rubber bushings for effective vibration dampening
  • Steel control arm with casting/forged construction for strength
  • Ball joint installed with threaded stud for secure mounting
  • Mounting hardware included for straightforward installation
  • Compatible with Ford Fusion, Mazda 6, and Mercury Milan models

Technical Specifications and Features

This suspension control arm and ball joint assembly features a steel control arm with a maximum width of 288.5 mm and length of 237 mm, finished in black for corrosion resistance. The ball joint is press-in mounted with a 14 mm threaded stud and a 12.3 mm mounting hole diameter. Rubber bushings are included to absorb road shocks and reduce noise. The assembly is designed for light suspension grade applications and comes with all necessary mounting hardware. The ball joint is pre-installed and pre-greased, eliminating the need for additional lubrication during installation.

Compatible Vehicles and Applications

This Dorman 521-793 control arm and ball joint assembly is compatible with select Ford Fusion, Mazda 6, and Mercury Milan models. It is intended for use in suspension systems requiring a light suspension grade control arm with a single mounting hole. This part is suitable for replacing worn or damaged control arms and ball joints to restore proper suspension geometry and vehicle handling.

  • Eliminates suspension noise caused by worn bushings or ball joints
  • Restores proper wheel alignment and steering response
  • Addresses excessive play or looseness in the suspension system
  • Replaces damaged or corroded control arms for improved safety
  • Improves ride comfort by maintaining suspension integrity

Installation Notes and Tips

Installation of the Dorman 521-793 assembly requires basic suspension repair tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque all hardware to manufacturer specifications. This assembly is not adjustable, so proper fitment verification with the vehicle model is essential before installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-793 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This part includes a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Ford Fusion, Mazda 6, and Mercury Milan suspension repairs.

BrandDorman
Part Number521-793
AdjustableNo
Ball Joint IncludedYes
Ball Joint InstalledYes
Ball Joint Mounting TypePress In
Ball Joint Stud TypeThreaded
Ball Joint Thread Diameter14
Bushing MaterialRubber
Bushings IncludedYes
Control Arm ColorBlack
Control Arm MaterialSteel
Control Arm Maximum Length237
Control Arm Maximum Width288.5
Control Arm TypeCasting/Forged
Grade TypeRegular
Grease Fitting IncludedNo
Mounting Hardware IncludedYes
Mounting Hole Diameter12.3 mm
Mounting Hole Quantity1
Package ContentsControl Arm and Ball Joint Assembly
Pre-GreasedYes
Suspension Grade TypeLight

This part fits 13 vehicles. Search below:

YearMakeModelSubmodelDrive TypePositionNotes
2012FordFusionAWDFront Left Upperw/18 In. Wheels
2011FordFusionAWDFront Left Upperw/18 In. Wheels
2011MercuryMilanAWDFront Left Upperw/18 In. Wheels
2010FordFusionAWDFront Left Upperw/18 In. Wheels
2010MercuryMilanAWDFront Left Upperw/18 In. Wheels
2009FordFusionFront Left Upperw/17 In. Wheels
2009MercuryMilanFront Left Upperw/17 In. Wheels
2008FordFusionFront Left Upperw/17 In. Wheels
2008MercuryMilanFront Left Upperw/17 In. Wheels
2007FordFusionFront Left Upperw/17 In. Wheels
2007Mazda6MazdaspeedFront Left Upper
2007MercuryMilanFront Left Upperw/17 In. Wheels
2006Mazda6MazdaspeedFront 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:

7E5Z3084RCA387BCB76026CMS76108GS76108MCSOE168RK620636SK521793

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