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Dorman 741-170 Power Window Motor and Regulator Assembly - Rear Left
| Brand | Dorman 741-170 |
|---|---|
| Position | Rear Left |
| Anti-Pinch Motor | No |
| Attachment Type | Bolt |
| Express Up Or Down | Non-Express |
| Installation Instructions Included | No |
| Micro-controlled (Embedded Logic) | No |
| Mounting Hardware Included | No |
| Package Contents | 1 Power Window Motor and Regulator Assembly |
| Regulator Included | Yes |
| Terminal Quantity | 2 |
| Thread Direction | Plastic |
| Wire Quantity | 0 |
| Wiring Harness Included | No |
| Fits | Ford and Lincoln · 8 vehicles |
OE FIX replacement. Redesigned slide block adds greater durability.
Bolt attachment. Simplifies installation with a secure, direct fit.
Regulator included. Complete motor and regulator assembly in one unit.
Cross-references ACI 383355 and 2L1Z7823394AB for the same application. See all 2.
Dorman 741-170 Rear Left Window Motor
This Dorman window motor and regulator assembly is built for the rear left door on select Ford Expedition and Lincoln Navigator models. It addresses a common failure point in the original design by using a redesigned window slide block for improved durability in the power window system.
- OE FIX replacement motor and regulator assembly
- Redesigned slide block for greater durability than the original design
- Regulator included for a complete repair path
- Bolt-on attachment type for direct installation
- Plastic gear material
- 2-terminal electrical connection
- Non-express operation
- Fits rear left applications only
Detailed Product Overview
The Dorman 741-170 is a power window motor and regulator assembly for 2003-2006 Ford Expedition and 2003-2006 Lincoln Navigator rear left applications. It is engineered as an OE-style replacement for vehicles where the factory regulator fails after the plastic window slide block fatigues and cracks. This assembly uses a redesigned slide block to improve long-term service life in the rear window mechanism. The part number 741-170 is a direct-fit solution for restoring rear window movement in these full-size SUVs.
This part cross-references ACI 383355 for the same application.
What It Helps Fix
- Rear left power window stuck in the up or down position
- Window movement that is slow, uneven, or intermittent
- Noise from a worn or damaged regulator assembly
- Failure caused by a cracked plastic slide block
- Loss of rear window function in Ford Expedition and Lincoln Navigator models
Installation Notes
Verify rear left fitment before ordering. This assembly uses a bolt attachment type and includes the regulator, but mounting hardware, wiring harness, and installation instructions are not included. The electrical connection uses 2 terminals, and the unit is configured for non-express operation. Confirm the original connector and regulator layout match the vehicle before installation.
Quality Assurance
Dorman OE FIX parts are designed to address known failure points in original equipment designs with updated components. Part number 741-170 follows that approach by replacing the vulnerable slide block with a redesigned version for improved durability in the power window assembly.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Ford | Expedition | Rear Left | — |
| 2006 | Lincoln | Navigator | Rear Left | — |
| 2005 | Ford | Expedition | Rear Left | — |
| 2005 | Lincoln | Navigator | Rear Left | — |
| 2004 | Ford | Expedition | Rear Left | — |
| 2004 | Lincoln | Navigator | Rear Left | — |
| 2003 | Ford | Expedition | Rear Left | — |
| 2003 | Lincoln | Navigator | Rear Left | — |
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