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Dorman 521-686 Suspension Trailing Arm - Rear Right
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.
| Brand | Dorman |
| Part Number | 521-686 |
| Adjustable | No |
| Ball Joint Included | No |
| Ball Joint Installed | No |
| Bushing Material | Rubber |
| Bushings Included | Yes |
| Control Arm Type | Boxed |
| Grade Type | Regular |
| Grease Fitting Included | Not Required |
| Material | Steel |
| Package Contents | Suspension Trailing Arm |
| Pre Greased | Not Required |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Mazda | Protege | Rear Right | |
| 2003 | Mazda | Protege5 | Rear Right | |
| 2002 | Mazda | Protege | Rear Right | |
| 2002 | Mazda | Protege5 | Rear Right | |
| 2001 | Mazda | Protege | Rear Right | |
| 2000 | Mazda | Protege | Rear Right | |
| 1999 | Mazda | Protege | Rear 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.