HomeBody > DoorsDorman 740-642 Window Regulator - Front Right
Part #: 740-642

Dorman 740-642 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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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Pontiac and Oldsmobile, Grand Am and Alero
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Reliable Window Regulator for Oldsmobile Alero and Pontiac Grand Am

The Dorman 740-642 window regulator is designed to restore smooth electric window operation in select Oldsmobile and Pontiac vehicles. Engineered with durable materials, this power window regulator offers a bolt-on installation for a straightforward replacement process.

Key Features of Dorman 740-642 Window Regulator

  • Compatible with Oldsmobile Alero and Pontiac Grand Am models
  • Electric window operation type for power window systems
  • Durable metal and plastic frame construction
  • Plastic gear material for reliable movement
  • Bolt-on attachment type for secure mounting
  • Does not include motor or mounting hardware
  • Package contains one power window regulator

Detailed Product Description

The Dorman 740-642 window regulator is specifically designed for electric window systems in the Oldsmobile Alero and Pontiac Grand Am. Its frame combines metal and plastic components to provide structural integrity while maintaining lightweight characteristics. The plastic gear material ensures smooth engagement and reduces wear over time. This regulator is a bolt-on replacement part, allowing for a direct fit without modification. Note that the motor and mounting hardware are not included, so these components must be reused or purchased separately. Installation instructions are not provided with this part, so professional installation or reference to a service manual is recommended.

Common Issues Addressed by This Window Regulator

  • Window glass failing to move up or down smoothly
  • Electric window stuck in one position
  • Grinding or clicking noises during window operation
  • Window regulator mechanism wear or breakage
  • Loose or unstable window glass movement

Installation Notes and Tips

  • Ensure compatibility with Oldsmobile Alero or Pontiac Grand Am before installation
  • Retain existing motor and mounting hardware as they are not included
  • Carefully remove door panel to access the window regulator assembly
  • Use appropriate tools for bolt-on attachment to avoid damage
  • Consult vehicle-specific repair manuals for detailed installation procedures

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 740-642 window regulator undergoes quality checks to ensure reliable performance in compatible vehicles. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.

BrandDorman
Part Number740-642
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 Am4 DoorFront RightFits power window regulation in various vehicle models.
2004OldsmobileAlero4 DoorFront RightFits power window regulation in various vehicle models.
2004PontiacGrand Am4 DoorFront RightFits power window regulation in various vehicle models.
2003OldsmobileAlero4 DoorFront RightFits power window regulation in various vehicle models.
2003PontiacGrand Am4 DoorFront RightFits power window regulation in various vehicle models.
2002OldsmobileAlero4 DoorFront RightFits power window regulation in various vehicle models.
2002PontiacGrand Am4 DoorFront RightFits power window regulation in various vehicle models.
2001OldsmobileAlero4 DoorFront RightFits power window regulation in various vehicle models.
2001PontiacGrand Am4 DoorFront RightFits power window regulation in various vehicle models.
2000OldsmobileAlero4 DoorFront RightFits power window regulation in various vehicle models.
2000PontiacGrand Am4 DoorFront RightFits power window regulation in various vehicle models.
1999OldsmobileAlero4 DoorFront RightFits power window regulation in various vehicle models.
1999PontiacGrand Am4 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:

11R28120182171a89044652SK740642WLR6036

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