HomeBody > DoorsDorman 740-812 Window Regulator - Rear Right
Part #: 740-812

Dorman 740-812 Window Regulator - Rear Right

Rear Right
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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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: Buick, LeSabre
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman 740-812 Window Regulator for Buick LeSabre

The Dorman 740-812 window regulator is designed specifically for Buick LeSabre models, providing reliable electric window operation. This power window regulator features a combination of plastic and metal components engineered for durability and smooth function.

  • Compatible with Buick LeSabre electric window systems
  • Gear material constructed from durable plastic
  • Frame made from a combination of metal and plastic for strength and flexibility
  • Bolt-on attachment type for secure mounting
  • Does not include motor or mounting hardware
  • Installation instructions are not included
  • Package contains one power window regulator unit

Detailed Product Description

The Dorman 740-812 window regulator is an electric window regulator designed to replace the factory unit in Buick LeSabre vehicles. It features a plastic gear that meshes smoothly with the window mechanism, supported by a frame constructed from both metal and plastic materials to balance rigidity and weight. The bolt-on attachment type ensures a secure fit within the door assembly. This part is sold without the motor and mounting hardware, making it suitable for users who need to replace only the regulator component. The absence of installation instructions assumes professional installation or prior experience with window regulator replacement.

Common Applications and Problem Resolution

  • Resolves window glass that fails to move up or down smoothly
  • Fixes issues with window alignment or binding inside the door
  • Replaces worn or broken plastic gears causing window malfunction
  • Addresses rattling or loose window movement due to damaged regulator frame
  • Restores electric window operation in Buick LeSabre models

Installation Notes and Tips

  • Compatible with electric window systems on Buick LeSabre; verify vehicle year and door configuration before installation
  • Requires removal of door panel and disconnection of window motor (motor not included)
  • Use appropriate tools for bolt-on attachment to ensure secure fitment
  • Professional installation is recommended if unfamiliar with window regulator replacement
  • Check window alignment after installation to prevent binding or damage

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 740-812 window regulator undergoes quality checks to ensure durability and reliable operation in Buick LeSabre vehicles. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.

BrandDorman
Part Number740-812
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 6 vehicles. Search below:

YearMakeModelPositionNotes
2005BuickLeSabreRear RightPower; Vendor: Kamco on Motor; Plastic Gear Housing
2004BuickLeSabreRear RightPower; Vendor: Kamco on Motor; Plastic Gear Housing
2003BuickLeSabreRear RightPower; Vendor: Kamco on Motor; Plastic Gear Housing
2002BuickLeSabreRear RightPower; Vendor: Kamco on Motor; Plastic Gear Housing
2001BuickLeSabreRear RightPower; Vendor: Kamco on Motor; Plastic Gear Housing
2000BuickLeSabreRear RightPower; Vendor: Kamco on Motor; Plastic Gear Housing

* 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:

11R33257505188123582171eWLR2024

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