HomeSuspension > Suspension, Springs and Related ComponentsDorman 521-666 Suspension Control Arm and Ball Joint Assembly - Front Right Lower
Part #: 521-666

Dorman 521-666 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Front Right Lower
⚙️ 4 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: Kia, Sephia
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Reliable Suspension Control Arm and Ball Joint Assembly for Kia Sephia

The Dorman 521-666 suspension control arm and ball joint assembly is designed specifically for Kia Sephia models. This pre-greased, steel control arm offers a durable and maintenance-friendly solution for light suspension needs, ensuring stable handling and improved vehicle control.

  • Pre-greased for immediate installation and reduced maintenance
  • Includes rubber bushings and mounting hardware for a complete assembly
  • Boxed steel control arm construction for enhanced strength and durability
  • Bolt-in ball joint with pinch stud type for secure fitment
  • Compatible with Kia Sephia suspension systems requiring a light suspension grade

Durable Design and Construction Details

This Dorman suspension control arm and ball joint assembly (part number 521-666) features a boxed steel control arm finished in black for corrosion resistance. The assembly includes rubber bushings that help absorb road vibrations and reduce noise. The ball joint is pre-installed and uses a pinch stud mounting type with a 14 mm thread diameter, secured by a single 12.3 mm mounting hole. The control arm measures up to 288.5 mm in width and 237 mm in length, designed to meet the specifications of Kia Sephia vehicles requiring a light suspension grade component.

Compatible Applications and Common Uses

This control arm and ball joint assembly is compatible with Kia Sephia models, providing a direct replacement for worn or damaged suspension components. It is commonly used to address issues such as:

  • Excessive suspension noise or clunking
  • Uneven tire wear due to misalignment
  • Loose or unstable steering feel
  • Vibration or harshness during driving
  • Worn or damaged control arm bushings or ball joints

Installation Notes and Tips

Installation of the Dorman 521-666 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 bolt-in installation. Ensure all mounting hardware is tightened to manufacturer torque specifications. Alignment is recommended after installation to maintain proper suspension geometry and tire wear.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-666 suspension control arm and ball joint assembly undergoes quality checks to ensure durability and performance. This part comes with a limited warranty covering defects in material and workmanship, providing confidence in its reliability for Kia Sephia suspension repairs.

BrandDorman
Part Number521-666
AdjustableNo
Ball Joint IncludedYes
Ball Joint InstalledYes
Ball Joint Mounting TypeBolt In
Ball Joint Stud TypePinch
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 TypeBoxed
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 4 vehicles. Search below:

YearMakeModelPositionNotes
2001KiaSephiaFront Right Lower
2000KiaSephiaFront Right Lower
1999KiaSephiaFront Right Lower
1998KiaSephiaFront 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:

0K2A134300B101-544926061645CB90067CA1011BCMS901172FA3164GK90133RK620514TC7189

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