OE Quality
60-Day Returns

Dorman 742-118 Power Window Motor - Front Left or Front Right
Reliable Window Motor Replacement for Select GM Vehicles
The Dorman 742-118 window motor is designed to restore power window functionality in various Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models. This plug-in window lift motor includes the window lift gear and is engineered for direct replacement without the need for additional mounting hardware or wiring harnesses.
- Compatible with Buick Classic, Chevrolet Malibu, Montana, Oldsmobile Cutlass, Pontiac Trans Sport, Relay, Silhouette, Terraza, Uplander, and Saturn models
- Plug-in design for straightforward installation
- Window lift gear included for complete motor operation
- No regulator or mounting hardware included
- Does not require additional wiring harness
Product Details and Features
The Dorman 742-118 window motor is a direct-fit replacement part engineered to work seamlessly with the original window lift system in your vehicle. It features a plug-in connection that simplifies installation by eliminating the need for splicing or modifying existing wiring. The included window lift gear ensures proper engagement with the window regulator mechanism, although the regulator itself is not part of this assembly. This motor is designed without embedded logic or micro-controlled components, providing a straightforward and reliable operation consistent with factory specifications.
Applications and Common Issues Addressed
- Restores power window operation in Buick Classic and Chevrolet Malibu models
- Replaces faulty window motors causing slow or non-responsive window movement
- Solves issues with window lift gear wear or failure in Pontiac Trans Sport and Saturn vehicles
- Addresses intermittent or complete loss of power window function in Oldsmobile Cutlass and Chevrolet Montana
- Eliminates grinding or unusual noises during window operation due to motor gear damage
Installation Notes and Tips
- Compatible with factory window regulators; verify regulator condition before installation
- Plug-in connector allows for easy electrical connection without additional wiring harness
- Mounting hardware is not included; reuse existing hardware or source separately if needed
- Ensure window track and regulator are clean and lubricated to prevent premature motor wear
- Disconnect vehicle battery before installation to avoid electrical shorts
Quality Assurance and Warranty Information
Dorman window motors undergo quality testing to meet OEM standards for fit and function. The 742-118 part number is backed by Dorman's limited warranty, which covers defects in materials and workmanship. This warranty provides assurance of product reliability when installed according to manufacturer guidelines.
| Brand | Dorman |
| Part Number | 742-118 |
| Hardwired Or Plug-In | Plug-In |
| Micro-controlled (Embedded Logic) | No |
| Mounting Hardware Included | No |
| Package Contents | Window Lift Motor |
| Regulator Included | No |
| Window Lift Gear Included | Yes |
| Wiring Harness Included | No |
This part fits 49 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Uplander | Front Right | |||
| 2009 | Pontiac | Montana | Front Right | |||
| 2008 | Chevrolet | Uplander | Front Right | |||
| 2008 | Pontiac | Montana | FWD | Front Right | ||
| 2007 | Buick | Terraza | Front Right | |||
| 2007 | Chevrolet | Uplander | Front Right | |||
| 2007 | Pontiac | Montana | FWD | Front Right | ||
| 2007 | Saturn | Relay | 2 | Front Right | ||
| 2007 | Saturn | Relay | 1 | Front Right | ||
| 2007 | Saturn | Relay | 3 | Front Right | ||
| 2006 | Buick | Terraza | Front Right | |||
| 2006 | Chevrolet | Uplander | Front Right | |||
| 2006 | Pontiac | Montana | Front Right | |||
| 2006 | Saturn | Relay | 2 | Front Right | ||
| 2006 | Saturn | Relay | 3 | Front Right | ||
| 2005 | Buick | Terraza | Front Right | |||
| 2005 | Chevrolet | Classic | Front Left | |||
| 2005 | Chevrolet | Uplander | Front Right | |||
| 2005 | Pontiac | Montana | Front Right | |||
| 2005 | Saturn | Relay | 2 | Front Right | ||
| 2005 | Saturn | Relay | 3 | Front Right | ||
| 2004 | Chevrolet | Classic | Front Left | |||
| 2004 | Oldsmobile | Silhouette | Front Right | |||
| 2004 | Pontiac | Montana | Front Right | |||
| 2003 | Chevrolet | Malibu | Front Left | |||
| 2003 | Oldsmobile | Silhouette | Front Right | |||
| 2003 | Pontiac | Montana | Front Right | |||
| 2002 | Chevrolet | Malibu | Front Left | |||
| 2002 | Oldsmobile | Silhouette | Front Right | |||
| 2002 | Pontiac | Montana | Front Right | |||
| 2001 | Chevrolet | Malibu | Front Left | |||
| 2001 | Oldsmobile | Silhouette | Front Right | |||
| 2001 | Pontiac | Montana | Front Right | |||
| 2000 | Chevrolet | Malibu | Front Left | |||
| 2000 | Oldsmobile | Silhouette | Front Right | |||
| 2000 | Pontiac | Montana | Front Right | |||
| 1999 | Chevrolet | Malibu | Front Left | |||
| 1999 | Oldsmobile | Cutlass | Front Left | |||
| 1999 | Oldsmobile | Silhouette | Front Right | |||
| 1999 | Pontiac | Montana | Front Right | |||
| 1999 | Pontiac | Trans Sport | Front Right | |||
| 1998 | Chevrolet | Malibu | Front Left | |||
| 1998 | Oldsmobile | Cutlass | Front Left | |||
| 1998 | Oldsmobile | Silhouette | Front Right | |||
| 1998 | Pontiac | Trans Sport | Front Right | |||
| 1997 | Chevrolet | Malibu | Front Left | |||
| 1997 | Oldsmobile | Cutlass | Front Left | |||
| 1997 | Oldsmobile | Silhouette | Front Right | |||
| 1997 | Pontiac | Trans Sport | Front Right |
* 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.