HomeSuspension > Suspension, Springs and Related ComponentsDorman 520-866 Suspension Control Arm and Ball Joint Assembly - Front Right Lower
Part #: 520-866

Dorman 520-866 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Front Right Lower
⚙️ 18 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$99.85Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 5, 3, and 3 Sport
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 520-866 suspension control arm and ball joint assembly is designed specifically for Mazda 3, Mazda 3 Sport, and Mazda 5 models. This pre-greased, steel control arm assembly offers a reliable replacement option for light suspension grade applications, ensuring proper vehicle handling and alignment.

  • Pre-greased for immediate installation
  • Includes rubber bushings and mounting hardware
  • Press-in ball joint with pinch stud type installed
  • Durable steel construction with black finish
  • Compatible with Mazda 3, 3 Sport, and 5 models

Detailed Product Description

The Dorman 520-866 control arm and ball joint assembly is engineered with a casting/forged steel control arm that provides strength and durability for regular driving conditions. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted and features a pinch stud type with a 14 mm thread diameter, ensuring secure attachment and proper steering response. This assembly includes one mounting hole with a diameter of 12.3 mm and comes with all necessary mounting hardware for a straightforward replacement process.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with the following Mazda vehicles:

  • Mazda 3 (various model years)
  • Mazda 3 Sport
  • Mazda 5

It is designed for light suspension grade use, making it suitable for daily driving and standard road conditions.

Common Issues Addressed by This Assembly

  • Worn or damaged control arm bushings causing poor handling
  • Loose or failing ball joints leading to steering instability
  • Excessive suspension noise or vibration
  • Misalignment resulting in uneven tire wear
  • Corroded or weakened control arm structure

Installation Notes and Tips

  • Pre-greased ball joint allows for immediate installation without additional lubrication
  • Ensure proper torque specifications are followed for mounting hardware
  • Inspect surrounding suspension components during replacement
  • Alignment check is recommended after installation
  • Use appropriate tools for press-in ball joint installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-866 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.

BrandDorman
Part Number520-866
AdjustableNo
Ball Joint IncludedYes
Ball Joint InstalledYes
Ball Joint Mounting TypePress 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 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 18 vehicles. Search below:

YearMakeModelPositionNotes
2017Mazda5Front Right Lower
2016Mazda5Front Right Lower
2015Mazda5Front Right Lower
2014Mazda5Front Right Lower
2013Mazda5Front Right Lower
2012Mazda5Front Right Lower
2010Mazda5Front Right Lower
2009Mazda3Front Right Lower
2009Mazda3 SportFront Right Lower
2009Mazda5Front Right Lower
2008Mazda3Front Right Lower
2008Mazda5Front Right Lower
2007Mazda3Front Right Lower
2007Mazda5Front Right Lower
2006Mazda3Front Right Lower
2006Mazda5Front Right Lower
2005Mazda3Front Right Lower
2004Mazda3Front 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:

101-5548151300426055965CB76014623.45008B32H34300CA330BCMS20433FA4492GS20433JTC7562RK620040SRK620040TC1450

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