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Dorman 748-978 Power Window Motor and Regulator Assembly - Rear Left
| Brand | Dorman 748-978 |
|---|---|
| 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 | Nissan · 5 vehicles |
Exact-fit replacement. Precision-engineered to match stock window regulator function and performance.
Bolt attachment. Simplifies installation with a secure, straightforward connection.
Plastic gear. Lightweight construction for dependable window operation.
Cross-references WAI 88276, 11A552 and 821359fr for the same application. See all 5.
Dorman 748-978 Rear Left Window Motor and Regulator
This Dorman power window motor and regulator assembly is built for the rear left door on select Nissan Altima models. It is engineered to match stock fit, function, and performance for a direct replacement on the specified vehicle applications.
- Fits 2002-2006 Nissan Altima, rear left
- Replacement power window motor and regulator assembly
- Precision-engineered for OE-style fit and operation
- Extensively tested for function and performance consistency
- Regulator included for a complete door glass drive assembly
- Attachment type: bolt
- Gear material: plastic
- Package contents: regulator and motor assembly
Detailed Product Overview
Dorman 748-978 is a direct replacement window motor and regulator assembly for the rear left position on 2002-2006 Nissan Altima models. It is designed to restore smooth power window movement by combining the motor and regulator into one service assembly. The unit is built to match the original equipment layout for the Altima rear left window system, making it a practical choice when the factory regulator or motor has failed.
This part cross-references WAI 88276 for the same application. The Dorman 748-978 part number is also useful when searching for a replacement window regulator assembly for Nissan Altima rear left fitment.
Common Problems This Part Can Address
- Window glass that will not move up or down
- Slow, uneven, or noisy window operation
- Failed regulator mechanism inside the door
- Motor wear that prevents normal window travel
- Binding or slipping during rear window movement
Installation Notes and Tips
Installation instructions are not included. Verify vehicle fitment by year, make, model, and rear left position before installation. Because this assembly uses bolt attachment points, compare the original mounting layout and connector configuration before removal of the old unit. Transfer any required door components from the original setup as needed during service.
Quality Assurance
Dorman manufactures this replacement assembly to match the stock regulator’s fit, function, and performance on the listed Nissan Altima applications. The part is extensively tested during development to support consistent operation in the intended vehicle fitment.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Nissan | Altima | Rear Left | — |
| 2005 | Nissan | Altima | Rear Left | — |
| 2004 | Nissan | Altima | Rear Left | — |
| 2003 | Nissan | Altima | Rear Left | — |
| 2002 | Nissan | Altima | Rear Left | — |
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