HomeBody > DoorsDorman 740-779 Window Regulator - Rear Left
Part #: 740-779

Dorman 740-779 Window Regulator - Rear Left

Rear Left
⚙️ 9 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: INFINITI and Nissan, I30 and Maxima
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Electric Window Regulator for Infiniti I30 and Nissan Maxima

The Dorman 740-779 window regulator is designed to restore smooth electric window operation in select Infiniti and Nissan vehicles. Engineered with durable materials, this power window regulator offers a bolt-on installation solution for the Infiniti I30 and Nissan Maxima models.

Key Features of Dorman 740-779 Window Regulator

  • Compatible with Infiniti I30 and Nissan Maxima electric windows
  • Durable metal and plastic frame construction for reliable support
  • Plastic gear material designed for smooth gear engagement
  • Bolt-on attachment type for straightforward installation
  • Includes one power regulator unit without motor or mounting hardware
  • Electric window operation type, designed for vehicles with factory power windows

Detailed Product Description

The Dorman 740-779 window regulator is a direct replacement part engineered to meet the specifications of the original equipment for Infiniti I30 and Nissan Maxima models. Featuring a combination of metal and plastic frame materials, this regulator balances strength and weight to ensure consistent window movement. The plastic gear material reduces noise and wear during operation. This unit is designed for electric window systems and does not include a motor or mounting hardware, allowing for compatibility with existing components. The bolt-on attachment type simplifies the installation process, making it suitable for professional mechanics and experienced DIYers.

Common Issues Addressed by This Window Regulator

  • Window glass failing to move up or down smoothly
  • Intermittent or complete loss of electric window function
  • Grinding or clicking noises during window operation
  • Window glass becoming stuck or misaligned
  • Wear or damage to original window regulator components

Installation Notes and Tips

  • Ensure vehicle compatibility with Infiniti I30 or Nissan Maxima models before installation
  • Requires removal of door panel to access the window regulator assembly
  • Motor and mounting hardware are not included and must be reused or replaced separately
  • Follow vehicle-specific service manual instructions for safe and proper installation
  • Check window alignment and operation after installation to confirm proper fitment

Quality Assurance and Warranty Information

Dorman manufactures this window regulator to meet or exceed OEM standards for fit, form, and function. While installation instructions and mounting hardware are not included, the part number 740-779 undergoes quality checks to ensure reliable performance in Infiniti I30 and Nissan Maxima vehicles. Warranty coverage details can be obtained from the product packaging or Dorman's official resources.

BrandDorman
Part Number740-779
Attachment TypeBolt On
Frame MaterialMetal
Frame MaterialPlastic
Installation Instructions IncludedNo
Motor IncludedNo
Mounting Hardware IncludedNo
Package Contents1 Power Regulator
Thread DirectionPlastic
Window Operation TypeElectric
Wire Quantity0

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
1999INFINITII30Rear LeftFits power window regulation in various vehicle models.
1999NissanMaximaRear LeftPower; To 3/99
1998INFINITII30Rear LeftFits power window regulation in various vehicle models.
1998NissanMaximaRear LeftFits power window regulation in various vehicle models.
1997INFINITII30Rear LeftFits power window regulation in various vehicle models.
1997NissanMaximaRear LeftFits power window regulation in various vehicle models.
1996INFINITII30Rear LeftFits power window regulation in various vehicle models.
1996NissanMaximaRear LeftFits power window regulation in various vehicle models.
1995NissanMaximaRear 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:

11R18778370818168272140U00SK740779WLR1294WR40779

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