HomeBody > DoorsDorman 749-398 Window Regulator - Front Left
Part #: 749-398

Dorman 749-398 Window Regulator - Front Left

Front Left
⚙️ 3 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ 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: Kia, Optima and Magentis
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Window Regulator for Kia Magentis and Optima

The Dorman 749-398 window regulator is designed to restore smooth electric window operation in Kia Magentis and Optima models. This regulator assembly is engineered for durability and precise fitment, ensuring reliable performance without the motor included.

Key Features of Dorman 749-398 Window Regulator

  • Compatible with Kia Magentis and Optima vehicles
  • Electric window operation type for seamless power window control
  • Durable metal and plastic frame construction for strength and longevity
  • Plastic gear material designed for smooth gear engagement
  • Bolt-on attachment type for secure and straightforward installation
  • Includes one power window regulator (regulator only), motor not included

Detailed Product Description

The Dorman 749-398 window regulator is a direct replacement part engineered specifically for Kia Magentis and Optima models. Featuring a combination of metal and plastic frame materials, this regulator balances structural integrity with lightweight design. The plastic gear material reduces noise and wear during window operation. Designed for electric window systems, this regulator requires a separate motor, allowing for flexible repair options. The bolt-on attachment type ensures a secure fit without the need for modifications. Although mounting hardware and installation instructions are not included, the part is designed to match OEM specifications for a precise fit.

Common Issues Addressed by This Window Regulator

  • Window glass failing to move up or down smoothly
  • Intermittent or complete loss of power window function
  • Grinding or unusual noises during window operation
  • Window glass becoming stuck or misaligned
  • Wear or damage to the internal window regulator mechanism

Installation Notes and Tips

  • Ensure compatibility with Kia Magentis or Optima before installation
  • Requires removal of the door panel to access the window regulator assembly
  • Use appropriate tools for bolt-on attachment to avoid damage
  • Verify window motor condition as it is not included with this part
  • Consult vehicle service manual for detailed installation procedures

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 749-398 window regulator undergoes quality checks to ensure durability and reliable operation. While mounting hardware and installation instructions are not included, the part is backed by Dorman's limited warranty against defects in materials and workmanship, providing confidence in your repair.

BrandDorman
Part Number749-398
Attachment TypeBolt On
Frame MaterialMetal
Frame MaterialPlastic
Installation Instructions IncludedNo
Motor IncludedNo
Mounting Hardware IncludedNo
Package Contents1 Power Window Regulator (Regulator Only)
Thread DirectionPlastic
Window Operation TypeElectric
Wire Quantity0

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2002KiaOptimaFront LeftPower; To 7/23/01
2001KiaMagentisFront LeftFits power window regulation in various vehicle models.
2001KiaOptimaFront LeftFits power window regulation in various vehicle models.

* 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:

8178482-4504E824033C010824504E

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