HomeSuspension > Suspension, Springs and Related ComponentsDorman 521-686 Suspension Trailing Arm - Rear Right
Part #: 521-686

Dorman 521-686 Suspension Trailing Arm - Rear Right

Rear Right
⚙️ 7 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: Mazda, Protege and Protege5
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Reliable Suspension Trailing Arm for Mazda Protege and Protege5

The Dorman 521-686 suspension trailing arm is engineered to restore proper suspension geometry and improve handling for Mazda Protege and Protege5 models. Constructed from durable steel with rubber bushings included, this trailing arm offers a dependable replacement option for maintaining vehicle stability.

  • Made from high-strength steel for durability
  • Includes rubber bushings for noise and vibration reduction
  • Boxed control arm design for enhanced structural integrity
  • Compatible with Mazda Protege and Protege5 models
  • Pre-greased bushings not required, simplifying installation

Durable Construction and Design Features

This suspension trailing arm by Dorman is designed with a boxed control arm type, providing increased rigidity compared to stamped or tubular designs. The steel material ensures long-lasting performance under typical driving conditions. Rubber bushings are included to absorb road vibrations and reduce noise, contributing to a smoother ride. The part is not adjustable and does not require grease fittings, making it a straightforward replacement component. The absence of a ball joint means it is intended to work with existing suspension ball joints on the vehicle.

Compatible Vehicles and Part Number Details

This trailing arm is specifically compatible with Mazda Protege and Protege5 models, ensuring a precise fit and proper suspension alignment. The Dorman part number 521-686 should be referenced when searching for a suspension trailing arm replacement for these vehicles to guarantee compatibility and correct specifications.

Common Suspension Issues Addressed

  • Worn or damaged trailing arm causing poor handling
  • Excessive suspension noise due to deteriorated bushings
  • Misalignment leading to uneven tire wear
  • Reduced vehicle stability during cornering
  • Vibration or harshness transmitted through the suspension

Installation Notes and Tips

Installation of the Dorman 521-686 suspension trailing arm requires basic suspension knowledge and tools. Since the bushings are included and pre-greased are not required, the installation process is simplified. It is recommended to inspect related suspension components such as ball joints and control arm mounts during replacement. Proper torque specifications should be followed to ensure safety and performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-686 trailing arm undergoes quality checks to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.

BrandDorman
Part Number521-686
AdjustableNo
Ball Joint IncludedNo
Ball Joint InstalledNo
Bushing MaterialRubber
Bushings IncludedYes
Control Arm TypeBoxed
Grade TypeRegular
Grease Fitting IncludedNot Required
MaterialSteel
Package ContentsSuspension Trailing Arm
Pre GreasedNot Required

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2003MazdaProtegeRear Right
2003MazdaProtege5Rear Right
2002MazdaProtegeRear Right
2002MazdaProtege5Rear Right
2001MazdaProtegeRear Right
2000MazdaProtegeRear Right
1999MazdaProtegeRear Right

* 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:

101-661513CB760392606262BJ0E28200ACA997CMS76130RK642025TC6288

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