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Dorman 741-890 Power Window Motor and Regulator Assembly - Rear Left
| Brand | Dorman 741-890 |
|---|---|
| Position | Rear Left |
| Attachment Type | Bolt |
| Installation Instructions Included | No |
| Micro-controlled (Embedded Logic) | No |
| Mounting Hardware Included | No |
| Package Contents | 1 Regulator and Motor Assembly |
| Regulator Included | Yes |
| Thread Direction | Plastic |
| Fits | Chevrolet, GMC, and Isuzu · 20 vehicles |
OE replacement. Precision-engineered to match stock fit, function, and performance.
Bolt attachment. Simplifies installation with a secure, direct connection.
Plastic gear design. Keeps the assembly lightweight while delivering smooth operation.
Cross-references 384110, 421303r and 15142774 for the same application. See all 6.
Replacement Rear Left Window Motor Assembly
This Dorman window motor and regulator assembly is built for the rear left door on select Chevrolet, GMC, and Isuzu SUVs with 7 passenger seating. It is engineered to match the stock regulator’s fit, function, and performance for a direct replacement on the listed applications.
- Brand: Dorman
- Part number: 741-890
- Replacement power window motor and regulator assembly
- Precision-engineered for OE-style fit and operation
- Plastic gear material
- Bolt attachment type
- Regulator included
- Package contents: 1 regulator and motor assembly
Fitment Details
- Fits 2002-2006 Chevrolet Trailblazer, rear left, w/7 passenger seating
- Fits 2002-2006 Chevrolet Trailblazer EXT, rear left, w/7 passenger seating
- Fits 2002-2006 GMC Envoy XL, rear left, w/7 passenger seating
- Fits 2004-2005 GMC Envoy XUV, rear left, w/7 passenger seating
- Fits 2003-2005 Isuzu Ascender, rear left, w/7 passenger seating
Product Overview
The Dorman 741-890 is a direct-fit window motor and regulator assembly for the rear left position on select Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy XL, GMC Envoy XUV, and Isuzu Ascender models. It is designed to replace the original power window regulator assembly with the correct mounting style and operating characteristics for the specified vehicles. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Repair Symptoms
- Rear window will not move up or down
- Window moves slowly or stops during operation
- Grinding or slipping from the window mechanism
- Motor runs but the glass does not travel correctly
- Broken regulator components in the rear left door
Installation Notes
Verify the vehicle year, make, model, rear left position, and 7 passenger seating configuration before installation. This assembly uses bolt attachment points and does not include mounting hardware or installation instructions. Confirm the glass and door components are aligned before securing the regulator and motor assembly. Part number 741-890 should be matched to the vehicle application listed above for proper fitment.
Quality Assurance
Dorman states this replacement assembly is precision-engineered and extensively tested to match the stock regulator’s fit, function, and performance on the specified applications. The design is intended to provide a direct replacement solution for the original rear left window motor and regulator assembly.
| Year | Make | Model | Wheel Base | Position | Notes |
|---|---|---|---|---|---|
| 2006 | Chevrolet | Trailblazer | — | Rear Left | w/7 Passenger Seating |
| 2006 | Chevrolet | Trailblazer EXT | — | Rear Left | w/7 Passenger Seating |
| 2006 | GMC | Envoy XL | — | Rear Left | w/7 Passenger Seating |
| 2005 | Chevrolet | Trailblazer | — | Rear Left | w/7 Passenger Seating |
| 2005 | Chevrolet | Trailblazer EXT | — | Rear Left | w/7 Passenger Seating |
| 2005 | GMC | Envoy XL | — | Rear Left | w/7 Passenger Seating |
| 2005 | GMC | Envoy XUV | — | Rear Left | w/7 Passenger Seating |
| 2005 | Isuzu | Ascender | 129.0" | Rear Left | w/7 Passenger Seating |
| 2004 | Chevrolet | Trailblazer | — | Rear Left | w/7 Passenger Seating |
| 2004 | Chevrolet | Trailblazer EXT | — | Rear Left | w/7 Passenger Seating |
| 2004 | GMC | Envoy XL | — | Rear Left | w/7 Passenger Seating |
| 2004 | GMC | Envoy XUV | — | Rear Left | w/7 Passenger Seating |
| 2004 | Isuzu | Ascender | 129.0" | Rear Left | w/7 Passenger Seating |
| 2003 | Chevrolet | Trailblazer | — | Rear Left | w/7 Passenger Seating |
| 2003 | Chevrolet | Trailblazer EXT | — | Rear Left | w/7 Passenger Seating |
| 2003 | GMC | Envoy XL | — | Rear Left | w/7 Passenger Seating |
| 2003 | Isuzu | Ascender | — | Rear Left | w/7 Passenger Seating |
| 2002 | Chevrolet | Trailblazer | — | Rear Left | w/7 Passenger Seating |
| 2002 | Chevrolet | Trailblazer EXT | — | Rear Left | w/7 Passenger Seating |
| 2002 | GMC | Envoy XL | — | Rear Left | w/7 Passenger Seating |
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