HomeSteering > Steering, Gear and Related ComponentsDorman 686-003 Steering Knuckle - Front Left
Part #: 686-003

Dorman 686-003 Steering Knuckle - Front Left

Front Left
⚙️ 3 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: Honda, Civic
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Reliable Steering Knuckle for Honda Civic

The Dorman 686-003 steering knuckle is designed as a standard replacement part for Honda Civic models. Constructed from durable steel and finished in black, this steering knuckle provides a solid foundation for your vehicle's steering and suspension system.

  • Made from high-strength steel for durability
  • Black finish for corrosion resistance
  • Standard replacement grade for reliable performance
  • Compatible with Honda Civic models
  • Includes one steering knuckle per package

Durable Steel Construction and Design

This Dorman steering knuckle (part number 686-003) is engineered to meet OEM specifications, ensuring proper fit and function on compatible Honda Civic vehicles. The steel material offers strength and resistance to wear, while the black finish helps protect against rust and environmental damage. This part does not include mounting hardware, hub, or axle, so those components must be sourced separately if needed.

Compatible Applications and Common Uses

The Dorman 686-003 steering knuckle is specifically designed for use on Honda Civic models, providing a direct replacement for worn or damaged knuckles. It is ideal for addressing issues such as:

  • Steering instability or looseness
  • Uneven tire wear caused by misalignment
  • Suspension noise or vibration
  • Damage from collision or road hazards
  • Worn or bent knuckle affecting wheel alignment

Installation Notes and Tips

When installing the Dorman 686-003 steering knuckle, ensure all related components such as ball joints, tie rods, and wheel bearings are inspected for wear. Since mounting hardware is not included, use OEM or compatible fasteners to secure the knuckle properly. Professional alignment after installation is recommended to maintain proper steering geometry and tire wear.

Quality Assurance and Warranty

Dorman parts are manufactured to meet industry standards for quality and durability. The 686-003 steering knuckle is a standard replacement grade component backed by Dorman's quality control processes. Please refer to Dorman's official warranty policy for specific coverage details.

BrandDorman
Part Number686-003
MaterialSteel
ColorBlack
Instruction Manual IncludedNo
Mounting Hardware IncludedNo
Hub IncludedNo
Axle IncludedNo
Item GradeStandard replacement
Package Contents1 knuckle

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2005HondaCivicFront Left
2004HondaCivicFront Left
2003HondaCivicFront Left

* 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:

51215S5AJ30

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