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Dorman 740-647 Window Regulator - Front Left
Reliable Window Regulator for Pontiac Grand Prix
The Dorman 740-647 window regulator is designed specifically for Pontiac Grand Prix models, providing a durable and efficient solution for electric window operation. This power window regulator offers a bolt-on attachment type and a combination of metal and plastic frame materials to ensure a secure fit and reliable performance.
Key Features of Dorman 740-647 Window Regulator
- Compatible with Pontiac Grand Prix electric windows
- Durable plastic gear material for smooth operation
- Bolt-on attachment type for straightforward installation
- Frame constructed from both metal and plastic for strength and flexibility
- Includes one power regulator unit without motor or mounting hardware
Detailed Product Description
The Dorman 740-647 window regulator is engineered to replace the electric window regulator in Pontiac Grand Prix vehicles. Featuring a plastic gear mechanism, this part ensures smooth and consistent window movement. The frame combines metal and plastic components to balance durability and weight, providing a reliable structure that withstands daily use. This regulator is designed for bolt-on installation, simplifying the replacement process. Note that the motor and mounting hardware are not included, so these components must be reused or purchased separately.
Common Issues Addressed by This Window Regulator
- Window glass failing to move up or down properly
- Grinding or unusual noises during window operation
- Window becoming stuck or moving unevenly
- Broken or worn-out plastic gears affecting window function
- Loose or damaged regulator frame causing window misalignment
Installation Notes and Tips
- Designed for bolt-on installation; ensure proper alignment before tightening bolts
- Motor and mounting hardware are not included; retain original parts or acquire replacements
- Installation instructions are not provided; professional installation is recommended if unfamiliar with window regulator replacement
- Handle the plastic gear and frame components carefully to avoid damage during installation
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 740-647 window regulator undergoes quality checks to ensure reliable performance in Pontiac Grand Prix vehicles. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.
| Brand | Dorman |
| Part Number | 740-647 |
| 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 7 vehicles. Search below:
| Year | Make | Model | # Doors | Position | Notes |
|---|---|---|---|---|---|
| 2003 | Pontiac | Grand Prix | 4 Door | Front Left | Fits power window regulation in various vehicle models. |
| 2002 | Pontiac | Grand Prix | 4 Door | Front Left | Fits power window regulation in various vehicle models. |
| 2001 | Pontiac | Grand Prix | 4 Door | Front Left | Fits power window regulation in various vehicle models. |
| 2000 | Pontiac | Grand Prix | 4 Door | Front Left | Fits power window regulation in various vehicle models. |
| 1999 | Pontiac | Grand Prix | 4 Door | Front Left | Fits power window regulation in various vehicle models. |
| 1998 | Pontiac | Grand Prix | 4 Door | Front Left | Fits power window regulation in various vehicle models. |
| 1997 | Pontiac | Grand Prix | 4 Door | Front Left | 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.