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Continental WL41578 Power Window Motor and Regulator Assembly - Rear Left
| Brand | Continental WL41578 |
|---|---|
| Position | Rear Left |
| Grade Type | Regular |
| Manual Or Electric | Electric |
| Material | Metal |
| Motor Included | Yes |
| Mounting Method | Bolt-in |
| Regulator Included | Y |
| Rotation | Reversible |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Voltage | 12 |
| Fits | Chevrolet, GMC, and Cadillac · 110 vehicles |
OE-style replacement. Matches original form and function for dependable window operation.
Bolt-in installation. Specific fit with a regulator included for easier replacement.
Metal construction. Built with a reversible 12-volt electric motor and blade terminals.
Cross-references Dorman - OE Solutions 741-578, Partslink Numbering System GM1550114 and 15077722 for the same application. See all 7.
Rear Left Window Motor and Regulator Assembly
Restore rear window operation with this Continental window motor and regulator assembly, part number WL41578. It is a specific-fit, 12-volt electric replacement built with a metal housing and reversible rotation for direct service on the rear left door.
Key Features
- Continental WL41578 window motor and regulator assembly for rear left applications
- 12-volt electric operation with reversible rotation
- Metal construction for durable service
- Bolt-in mounting method with blade terminals
- Motor included; regulator included
- Specific fit for direct replacement use
- 2-terminal, male terminal design
Application Details
Continental builds this window lift motor to match original equipment fit, form, and function, helping restore smooth window movement and dependable operation. It is manufactured in ISO TS certified facilities and is part of Continental’s broad coverage for domestic passenger cars and light trucks. This part cross-references Dorman OE Solutions 741-578 for the same application. Compatible vehicle coverage includes Fits 2007 Chevrolet Silverado 1500 Classic, Rear Left; Fits 2007 Chevrolet Silverado 1500 HD Classic, Rear Left; Fits 2007 Chevrolet Silverado 2500 HD Classic, Rear Left; Fits 2007 Chevrolet Silverado 3500 Classic, Rear Left; Fits 2007 GMC Sierra 1500 Classic, Rear Left; Fits 2007 GMC Sierra 1500 HD Classic, Rear Left; Fits 2007 GMC Sierra 2500 HD Classic, Rear Left; Fits 2007 GMC Sierra 3500 Classic, Rear Left; Fits 2003-2006 Cadillac Escalade ESV, Rear Left; Fits 2002-2006 Cadillac Escalade EXT, Rear Left; Fits 2002-2006 Chevrolet Avalanche 1500, Rear Left; Fits 2002-2006 Chevrolet Avalanche 2500, Rear Left; Fits 2001-2006 Chevrolet Silverado 1500, Rear Left; Fits 2005-2006 Chevrolet Silverado 1500 HD, Rear Left; Fits 2001-2003 Chevrolet Silverado 1500 HD, Rear Left; Fits 2001-2006 Chevrolet Silverado 2500 HD, Rear Left; Fits 2001-2006 Chevrolet Silverado 3500, Rear Left; Fits 2000-2006 Chevrolet Suburban 1500, Rear Left; Fits 2000-2006 Chevrolet Suburban 2500, Rear Left; Fits 2001-2006 GMC Sierra 1500, Rear Left; Fits 2005-2006 GMC Sierra 1500 HD, Rear Left; Fits 2001-2003 GMC Sierra 1500 HD, Rear Left; Fits 2001-2006 GMC Sierra 2500 HD, Rear Left; Fits 2001-2006 GMC Sierra 3500, Rear Left; Fits 2000-2006 GMC Yukon XL 1500, Rear Left; Fits 2000-2006 GMC Yukon XL 2500, Rear Left; Fits 2001-2004 Chevrolet Silverado 2500, Rear Left; Fits 2000-2004 GMC Sierra 2500, Rear Left.
Common Problems This Part Can Address
- Rear window stuck in the open or closed position
- Slow, weak, or intermittent window movement
- Grinding or binding during window travel
- Failure of the original motor or regulator assembly
- Loss of rear left window control on the vehicle
Installation Notes and Tips
Verify rear left door fitment before installation and compare the connector, terminal count, and mounting style to the original unit. This assembly uses a bolt-in mounting method and blade terminals, so matching the factory configuration is important for proper installation. For best results, inspect the window tracks, guides, and switches before replacing the assembly. Part number WL41578 is also referenced as WL41578 in Continental cataloging.
Quality Assurance
Continental window lift motors are produced to OE-style standards for fit, form, and function, with manufacturing in ISO TS certified facilities. The WL41578 assembly is built to restore original window operation with dependable performance.
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 1500 Classic | Crew Cab Pickup | Rear Left | — |
| 2007 | Chevrolet | Silverado 1500 HD Classic | Crew Cab Pickup | Rear Left | — |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Crew Cab Pickup | Rear Left | — |
| 2007 | Chevrolet | Silverado 3500 Classic | Crew Cab Pickup | Rear Left | — |
| 2007 | GMC | Sierra 1500 Classic | Crew Cab Pickup | Rear Left | — |
| 2007 | GMC | Sierra 1500 HD Classic | Crew Cab Pickup | Rear Left | — |
| 2007 | GMC | Sierra 2500 HD Classic | Crew Cab Pickup | Rear Left | — |
| 2007 | GMC | Sierra 3500 Classic | Crew Cab Pickup | Rear Left | — |
| 2006 | Cadillac | Escalade ESV | — | Rear Left | — |
| 2006 | Cadillac | Escalade EXT | — | Rear Left | — |
| 2006 | Chevrolet | Avalanche 1500 | — | Rear Left | — |
| 2006 | Chevrolet | Avalanche 2500 | — | Rear Left | — |
| 2006 | Chevrolet | Silverado 1500 | — | Rear Left | — |
| 2006 | Chevrolet | Silverado 1500 HD | — | Rear Left | — |
| 2006 | Chevrolet | Silverado 2500 HD | — | Rear Left | — |
| 2006 | Chevrolet | Silverado 3500 | — | Rear Left | — |
| 2006 | Chevrolet | Suburban 1500 | — | Rear Left | — |
| 2006 | Chevrolet | Suburban 2500 | — | Rear Left | — |
| 2006 | GMC | Sierra 1500 | — | Rear Left | — |
| 2006 | GMC | Sierra 1500 HD | — | Rear Left | — |
| 2006 | GMC | Sierra 2500 HD | — | Rear Left | — |
| 2006 | GMC | Sierra 3500 | — | Rear Left | — |
| 2006 | GMC | Yukon XL 1500 | — | Rear Left | — |
| 2006 | GMC | Yukon XL 2500 | — | Rear Left | — |
| 2005 | Cadillac | Escalade ESV | — | Rear Left | — |
| 2005 | Cadillac | Escalade EXT | — | Rear Left | — |
| 2005 | Chevrolet | Avalanche 1500 | — | Rear Left | — |
| 2005 | Chevrolet | Avalanche 2500 | — | Rear Left | — |
| 2005 | Chevrolet | Silverado 1500 | — | Rear Left | — |
| 2005 | Chevrolet | Silverado 1500 HD | — | Rear Left | — |
| 2005 | Chevrolet | Silverado 2500 HD | — | Rear Left | — |
| 2005 | Chevrolet | Silverado 3500 | — | Rear Left | — |
| 2005 | Chevrolet | Suburban 1500 | — | Rear Left | — |
| 2005 | Chevrolet | Suburban 2500 | — | Rear Left | — |
| 2005 | GMC | Sierra 1500 | — | Rear Left | — |
| 2005 | GMC | Sierra 1500 HD | — | Rear Left | — |
| 2005 | GMC | Sierra 2500 HD | — | Rear Left | — |
| 2005 | GMC | Sierra 3500 | — | Rear Left | — |
| 2005 | GMC | Yukon XL 1500 | — | Rear Left | — |
| 2005 | GMC | Yukon XL 2500 | — | Rear Left | — |
| 2004 | Cadillac | Escalade ESV | — | Rear Left | — |
| 2004 | Cadillac | Escalade EXT | — | Rear Left | — |
| 2004 | Chevrolet | Avalanche 1500 | — | Rear Left | — |
| 2004 | Chevrolet | Avalanche 2500 | — | Rear Left | — |
| 2004 | Chevrolet | Silverado 1500 | — | Rear Left | — |
| 2004 | Chevrolet | Silverado 2500 | — | Rear Left | — |
| 2004 | Chevrolet | Silverado 2500 HD | — | Rear Left | — |
| 2004 | Chevrolet | Silverado 3500 | — | Rear Left | — |
| 2004 | Chevrolet | Suburban 1500 | — | Rear Left | — |
| 2004 | Chevrolet | Suburban 2500 | — | Rear Left | — |
| 2004 | GMC | Sierra 1500 | — | Rear Left | — |
| 2004 | GMC | Sierra 2500 | — | Rear Left | — |
| 2004 | GMC | Sierra 2500 HD | — | Rear Left | — |
| 2004 | GMC | Sierra 3500 | — | Rear Left | — |
| 2004 | GMC | Yukon XL 1500 | — | Rear Left | — |
| 2004 | GMC | Yukon XL 2500 | — | Rear Left | — |
| 2003 | Cadillac | Escalade ESV | — | Rear Left | — |
| 2003 | Cadillac | Escalade EXT | — | Rear Left | — |
| 2003 | Chevrolet | Avalanche 1500 | — | Rear Left | — |
| 2003 | Chevrolet | Avalanche 2500 | — | Rear Left | — |
| 2003 | Chevrolet | Silverado 1500 | — | Rear Left | — |
| 2003 | Chevrolet | Silverado 1500 HD | — | Rear Left | — |
| 2003 | Chevrolet | Silverado 2500 | — | Rear Left | — |
| 2003 | Chevrolet | Silverado 2500 HD | — | Rear Left | — |
| 2003 | Chevrolet | Silverado 3500 | — | Rear Left | — |
| 2003 | Chevrolet | Suburban 1500 | — | Rear Left | — |
| 2003 | Chevrolet | Suburban 2500 | — | Rear Left | — |
| 2003 | GMC | Sierra 1500 | — | Rear Left | — |
| 2003 | GMC | Sierra 1500 HD | — | Rear Left | — |
| 2003 | GMC | Sierra 2500 | — | Rear Left | — |
| 2003 | GMC | Sierra 2500 HD | — | Rear Left | — |
| 2003 | GMC | Sierra 3500 | — | Rear Left | — |
| 2003 | GMC | Yukon XL 1500 | — | Rear Left | — |
| 2003 | GMC | Yukon XL 2500 | — | Rear Left | — |
| 2002 | Cadillac | Escalade EXT | — | Rear Left | — |
| 2002 | Chevrolet | Avalanche 1500 | — | Rear Left | — |
| 2002 | Chevrolet | Avalanche 2500 | — | Rear Left | — |
| 2002 | Chevrolet | Silverado 1500 | — | Rear Left | — |
| 2002 | Chevrolet | Silverado 1500 HD | — | Rear Left | — |
| 2002 | Chevrolet | Silverado 2500 | — | Rear Left | — |
| 2002 | Chevrolet | Silverado 2500 HD | — | Rear Left | — |
| 2002 | Chevrolet | Silverado 3500 | — | Rear Left | — |
| 2002 | Chevrolet | Suburban 1500 | — | Rear Left | — |
| 2002 | Chevrolet | Suburban 2500 | — | Rear Left | — |
| 2002 | GMC | Sierra 1500 | — | Rear Left | — |
| 2002 | GMC | Sierra 1500 HD | — | Rear Left | — |
| 2002 | GMC | Sierra 2500 | — | Rear Left | — |
| 2002 | GMC | Sierra 2500 HD | — | Rear Left | — |
| 2002 | GMC | Sierra 3500 | — | Rear Left | — |
| 2002 | GMC | Yukon XL 1500 | — | Rear Left | — |
| 2002 | GMC | Yukon XL 2500 | — | Rear Left | — |
| 2001 | Chevrolet | Silverado 1500 | — | Rear Left | — |
| 2001 | Chevrolet | Silverado 1500 HD | — | Rear Left | — |
| 2001 | Chevrolet | Silverado 2500 | — | Rear Left | — |
| 2001 | Chevrolet | Silverado 2500 HD | — | Rear Left | — |
| 2001 | Chevrolet | Silverado 3500 | — | Rear Left | — |
| 2001 | Chevrolet | Suburban 1500 | — | Rear Left | — |
| 2001 | Chevrolet | Suburban 2500 | — | Rear Left | — |
| 2001 | GMC | Sierra 1500 | — | Rear Left | — |
| 2001 | GMC | Sierra 1500 HD | — | Rear Left | — |
| 2001 | GMC | Sierra 2500 | — | Rear Left | — |
| 2001 | GMC | Sierra 2500 HD | — | Rear Left | — |
| 2001 | GMC | Sierra 3500 | — | Rear Left | — |
| 2001 | GMC | Yukon XL 1500 | — | Rear Left | — |
| 2001 | GMC | Yukon XL 2500 | — | Rear Left | — |
| 2000 | Chevrolet | Suburban 1500 | — | Rear Left | — |
| 2000 | Chevrolet | Suburban 2500 | — | Rear Left | — |
| 2000 | GMC | Sierra 2500 | — | Rear Left | — |
| 2000 | GMC | Yukon XL 1500 | — | Rear Left | — |
| 2000 | GMC | Yukon XL 2500 | — | Rear Left | — |
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