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Dorman 740-691 Window Regulator - Front Right
Reliable Electric Window Regulator for Select GM and Isuzu Models
The Dorman 740-691 window regulator is designed to restore smooth electric window operation in various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. Engineered with durable materials, this power window regulator offers a bolt-on installation solution for specific SUV and crossover models.
- Gear material constructed from durable plastic for consistent performance
- Metal and plastic frame components for balanced strength and flexibility
- Bolt-on attachment type for straightforward installation
- Electric window operation compatible, motor not included
- Includes one power regulator unit, mounting hardware not included
Product Details and Compatibility
The Dorman 740-691 window regulator features a combination of plastic gears and a mixed metal and plastic frame to provide reliable window movement without excessive wear. Designed specifically for electric window systems, this regulator requires a separate motor, making it ideal for repairs where the motor remains functional. It is compatible with a range of GM and Isuzu SUVs and crossovers, including Buick Rainier, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Isuzu Ascender and Bravada, Oldsmobile Bravada, and Saab 9-7x models. This part number 740-691 ensures a precise fit and proper window operation for these vehicles.
Common Applications and Problem Resolution
- Restores electric window movement in Buick Rainier and Chevrolet Trailblazer models
- Replaces worn or broken window regulators causing window misalignment or jamming
- Addresses issues with window glass not staying in position or moving unevenly
- Suitable for repairs where the motor is still functional but the regulator assembly is damaged
- Improves overall window operation in GMC Envoy and Isuzu Ascender vehicles
Installation Notes and Tips
This window regulator is designed for bolt-on installation, which simplifies the replacement process. Note that mounting hardware and installation instructions are not included, so having the appropriate tools and experience is recommended. Since the motor is not included, verify the existing motor’s condition before installation. Careful alignment during installation will ensure smooth window operation and prevent premature wear.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 740-691 window regulator undergoes quality checks to ensure durability and reliable performance. Please consult Dorman’s warranty policy for specific coverage details related to this part.
| Brand | Dorman |
| Part Number | 740-691 |
| Attachment Type | Bolt On |
| Frame Material | Metal |
| Frame Material | Plastic |
| Installation Instructions Included | No |
| Motor Included | No |
| Mounting Hardware Included | No |
| Package Contents | 1 Power Regulator |
| Thread Direction | Plastic |
| Window Operation Type | Electric |
| Wire Quantity | 0 |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | Front Right | Fits power window regulation in various vehicle models. |
| 2009 | GMC | Envoy | Front Right | Fits power window regulation in various vehicle models. |
| 2009 | Saab | 9-7x | Front Right | Fits power window regulation in various vehicle models. |
| 2008 | Chevrolet | Trailblazer | Front Right | Fits power window regulation in various vehicle models. |
| 2008 | GMC | Envoy | Front Right | Fits power window regulation in various vehicle models. |
| 2008 | Isuzu | Ascender | Front Right | Fits power window regulation in various vehicle models. |
| 2008 | Saab | 9-7x | Front Right | Fits power window regulation in various vehicle models. |
| 2007 | Buick | Rainier | Front Right | Fits power window regulation in various vehicle models. |
| 2007 | Chevrolet | Trailblazer | Front Right | Fits power window regulation in various vehicle models. |
| 2007 | GMC | Envoy | Front Right | Fits power window regulation in various vehicle models. |
| 2007 | Isuzu | Ascender | Front Right | Fits power window regulation in various vehicle models. |
| 2007 | Saab | 9-7x | Front Right | Fits power window regulation in various vehicle models. |
| 2006 | Buick | Rainier | Front Right | Fits power window regulation in various vehicle models. |
| 2006 | Chevrolet | Trailblazer | Front Right | Fits power window regulation in various vehicle models. |
| 2006 | Chevrolet | Trailblazer EXT | Front Right | Fits power window regulation in various vehicle models. |
| 2006 | GMC | Envoy | Front Right | Fits power window regulation in various vehicle models. |
| 2006 | GMC | Envoy XL | Front Right | Fits power window regulation in various vehicle models. |
| 2006 | Isuzu | Ascender | Front Right | Fits power window regulation in various vehicle models. |
| 2006 | Saab | 9-7x | Front Right | Fits power window regulation in various vehicle models. |
| 2005 | Buick | Rainier | Front Right | Fits power window regulation in various vehicle models. |
| 2005 | Chevrolet | Trailblazer | Front Right | Fits power window regulation in various vehicle models. |
| 2005 | Chevrolet | Trailblazer EXT | Front Right | Fits power window regulation in various vehicle models. |
| 2005 | GMC | Envoy | Front Right | Fits power window regulation in various vehicle models. |
| 2005 | GMC | Envoy XL | Front Right | Fits power window regulation in various vehicle models. |
| 2005 | GMC | Envoy XUV | Front Right | Fits power window regulation in various vehicle models. |
| 2005 | Isuzu | Ascender | Front Right | Fits power window regulation in various vehicle models. |
| 2005 | Saab | 9-7x | Front Right | Fits power window regulation in various vehicle models. |
| 2004 | Buick | Rainier | Front Right | Fits power window regulation in various vehicle models. |
| 2004 | Chevrolet | Trailblazer | Front Right | Fits power window regulation in various vehicle models. |
| 2004 | Chevrolet | Trailblazer EXT | Front Right | Fits power window regulation in various vehicle models. |
| 2004 | GMC | Envoy | Front Right | Fits power window regulation in various vehicle models. |
| 2004 | GMC | Envoy XL | Front Right | Fits power window regulation in various vehicle models. |
| 2004 | GMC | Envoy XUV | Front Right | Fits power window regulation in various vehicle models. |
| 2004 | Isuzu | Ascender | Front Right | Fits power window regulation in various vehicle models. |
| 2004 | Oldsmobile | Bravada | Front Right | Fits power window regulation in various vehicle models. |
| 2003 | Chevrolet | Trailblazer | Front Right | Fits power window regulation in various vehicle models. |
| 2003 | Chevrolet | Trailblazer EXT | Front Right | Fits power window regulation in various vehicle models. |
| 2003 | GMC | Envoy | Front Right | Fits power window regulation in various vehicle models. |
| 2003 | GMC | Envoy XL | Front Right | Fits power window regulation in various vehicle models. |
| 2003 | Isuzu | Ascender | Front Right | Fits power window regulation in various vehicle models. |
| 2003 | Oldsmobile | Bravada | Front Right | Fits power window regulation in various vehicle models. |
| 2002 | Chevrolet | Trailblazer | Front Right | Fits power window regulation in various vehicle models. |
| 2002 | Chevrolet | Trailblazer EXT | Front Right | Fits power window regulation in various vehicle models. |
| 2002 | GMC | Envoy | Front Right | Fits power window regulation in various vehicle models. |
| 2002 | GMC | Envoy XL | Front Right | Fits power window regulation in various vehicle models. |
| 2002 | Oldsmobile | Bravada | Front Right | Fits 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.