HomeBody > DoorsDorman 740-640 Window Regulator - Front Right
Part #: 740-640

Dorman 740-640 Window Regulator - Front Right

Front Right
⚙️ 13 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: Pontiac and Oldsmobile, Grand Am and Alero
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Window Regulator for Oldsmobile Alero and Pontiac Grand Am

The Dorman 740-640 window regulator is designed for electric window operation in select Oldsmobile and Pontiac models. This power window regulator provides a direct replacement solution for the Oldsmobile Alero and Pontiac Grand Am, ensuring smooth window movement and proper fitment.

Key Features of Dorman 740-640 Window Regulator

  • Gear material constructed from durable plastic for consistent performance
  • Bolt-on attachment type for secure and straightforward installation
  • Frame made from a combination of metal and plastic for strength and flexibility
  • Electric window operation compatible with factory power window systems
  • Includes one power regulator unit without motor or mounting hardware

Detailed Product Description

The Dorman 740-640 window regulator is engineered to meet the specifications of the Oldsmobile Alero and Pontiac Grand Am models. Featuring a plastic gear and a mixed metal and plastic frame, this regulator balances durability with lightweight design. The bolt-on attachment type allows for a secure fit without the need for additional modifications. This part is designed for electric window systems but does not include the motor or mounting hardware, making it ideal for users who need to replace the regulator mechanism itself. Installation instructions are not included, so professional installation or prior experience is recommended.

Common Issues Addressed by This Window Regulator

  • Window glass failing to move up or down smoothly
  • Intermittent or complete window operation failure in electric systems
  • Excessive noise or grinding during window movement
  • Loose or misaligned window glass due to worn regulator components
  • Broken or stripped plastic gears causing window malfunction

Installation Notes and Tips

  • Ensure compatibility with Oldsmobile Alero and Pontiac Grand Am before installation
  • Use appropriate tools for bolt-on attachment to avoid damage
  • Verify window motor condition since this regulator does not include a motor
  • Check for any broken mounting hardware and replace as needed since hardware is not included
  • Professional installation is recommended if unfamiliar with power window systems

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 740-640 window regulator undergoes quality checks to ensure reliable operation in compatible vehicles. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.

BrandDorman
Part Number740-640
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 13 vehicles. Search below:

YearMakeModel# DoorsPositionNotes
2005PontiacGrand Am2 DoorFront RightFits power window regulation in various vehicle models.
2004OldsmobileAlero2 DoorFront RightFits power window regulation in various vehicle models.
2004PontiacGrand Am2 DoorFront RightFits power window regulation in various vehicle models.
2003OldsmobileAlero2 DoorFront RightFits power window regulation in various vehicle models.
2003PontiacGrand Am2 DoorFront RightFits power window regulation in various vehicle models.
2002OldsmobileAlero2 DoorFront RightFits power window regulation in various vehicle models.
2002PontiacGrand Am2 DoorFront RightFits power window regulation in various vehicle models.
2001OldsmobileAlero2 DoorFront RightFits power window regulation in various vehicle models.
2001PontiacGrand Am2 DoorFront RightFits power window regulation in various vehicle models.
2000OldsmobileAlero2 DoorFront RightFits power window regulation in various vehicle models.
2000PontiacGrand Am2 DoorFront RightFits power window regulation in various vehicle models.
1999OldsmobileAlero2 DoorFront RightFits power window regulation in various vehicle models.
1999PontiacGrand Am2 DoorFront RightFits 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:

11R48120382171f89044650SK740640WLR4063

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