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Dorman 748-520 Power Window Motor and Regulator Assembly - Rear Left
| Brand | Dorman 748-520 |
|---|---|
| Position | Rear Left |
| Attachment Type | Bolt |
| Installation Instructions Included | No |
| Micro-controlled (Embedded Logic) | No |
| Mounting Hardware Included | Yes |
| Package Contents | 1 Regulator and Motor Assembly |
| Regulator Included | Yes |
| Thread Direction | Plastic |
| Fits | Buick and Pontiac · 11 vehicles |
Exact-fit replacement. Precision-engineered to match stock fit, function and performance.
Bolt attachment. Simplifies installation with a secure, straightforward connection.
Plastic gear design. Keeps the assembly lightweight while handling window movement.
Cross-references ACI 82312, WAI WPR0607LMB and 82193dr for the same application. See all 5.
Dorman 748-520 Rear Left Window Motor and Regulator
This Dorman power window motor and regulator assembly is built as a direct replacement for the rear left window on select Buick Rendezvous and Pontiac Aztek models. It is engineered and tested to match the stock regulator’s fit, function, and performance for the listed applications.
Key Features
- Direct replacement window motor and regulator assembly for the rear left door
- Precision-engineered for the original fit and operating function
- Extensively tested for application-specific performance
- Plastic gear material
- Bolt-on attachment type
- Mounting hardware included
- Regulator included
- Package contents: 1 regulator and motor assembly
Detailed Description
Part number 748-520 is a replacement power window motor and regulator assembly for vehicles that need a rear left window lift repair. It is designed for 2002-2007 Buick Rendezvous rear left applications and 2001-2005 Pontiac Aztek rear left applications. This assembly is built to restore the window’s lifting and lowering operation with the correct fit and function for the original equipment layout. Part number 748-520 also cross-references WAI WPR0607LMB for the same application.
Common Issues This Part Can Address
- Rear left window will not move up or down
- Window moves slowly or stops during operation
- Grinding or slipping from a worn regulator gear
- Motor runs but the glass does not travel correctly
- Broken regulator components affecting window alignment
Installation Notes and Tips
This assembly uses a bolt-on attachment type and includes mounting hardware. Installation instructions are not included. Verify rear left fitment before installation and confirm the window glass and door components are in good condition so the new regulator can operate properly.
Quality Assurance
Dorman designs this replacement assembly to match the stock regulator’s fit, function, and performance on the listed vehicles. It is extensively tested during development to support consistent operation in the specified Buick Rendezvous and Pontiac Aztek applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Buick | Rendezvous | Rear Left | — |
| 2006 | Buick | Rendezvous | Rear Left | — |
| 2005 | Buick | Rendezvous | Rear Left | — |
| 2005 | Pontiac | Aztek | Rear Left | — |
| 2004 | Buick | Rendezvous | Rear Left | — |
| 2004 | Pontiac | Aztek | Rear Left | — |
| 2003 | Buick | Rendezvous | Rear Left | — |
| 2003 | Pontiac | Aztek | Rear Left | — |
| 2002 | Buick | Rendezvous | Rear Left | — |
| 2002 | Pontiac | Aztek | Rear Left | — |
| 2001 | Pontiac | Aztek | Rear Left | — |
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