NPAUTO Rear Left Power Window Regulator with Motor — 2007–2013 Chevy Silverado / GMC Sierra Extended Cab, OE Fit

High-strength NPAUTO rear left (driver side) power window regulator assembly with motor engineered as a direct replacement for extended cab 2007–2013 Chevrolet Silverado and GMC Sierra trucks.

If your rear left window is slow, noisy, stuck, or won't move at all, this complete regulator with motor provides a ready-made replacement that matches original-equipment fit and function. Designed specifically for extended-cab models of the 2007–2013 Chevrolet Silverado 1500/2500/3500 and GMC Sierra 1500/2500/3500, the unit comes pre-assembled and includes the motor for a one-part swap that minimizes downtime and complexity.

Will this part fit my truck?

This assembly fits extended cab pickup models only, covering Chevrolet Silverado and GMC Sierra model years 2007 through 2013 across 1500, 2500 HD and 3500 series. It uses OE-equivalent mounting points and electrical connections so no modification is required when replacing the factory unit.

• Compatible: 2007–2013 Chevy Silverado 1500/2500/3500 (Extended Cab)
• Compatible: 2007–2013 GMC Sierra 1500/2500/3500 (Extended Cab)
• OE numbers referenced: 741-388, 741388, 15901326, 25885884
• Location: rear left (driver side), includes motor

How difficult is installation and what tools will I need?

Installation is intended to be straightforward because the part is a direct replacement built to OE standards. Most home mechanics with basic tools can complete the swap in one to two hours; expect to remove the door panel, disconnect the electrical connector, unbolt the old regulator, and install the new assembly in reverse order.

• Typical tools: socket set, screwdrivers, panel pry tool, torque wrench optional
• Pre-assembly: motor included eliminates separate motor transfer
• Result: smooth, quiet sliding window when installed correctly

What performance and quality features does this regulator with motor offer?

The assembly is manufactured to match original equipment geometry so the window tracks properly and operates without abnormal noise or binding. The motor is matched to the regulator for reliable movement, and the overall assembly is tested for smooth travel and consistent cycling.

• Built to OE specifications for fit and alignment
• Pre-installed motor tuned for the regulator’s gear ratio
• Designed for quiet, smooth, and consistent operation
• Backed by a 2-year warranty and customer support

How do I verify part compatibility and OE cross-reference?

Check your vehicle’s build year and cab configuration first—this part is for extended cab models only. Compare OEM numbers stamped on your existing regulator or consult the vehicle service manual; the product references OE numbers to help confirm a match.

• OE numbers to check: 741-388, 741388, 15901326, 25885884
• Verify cab type: extended cab (not crew cab or regular cab)
• Contact customer support if you need fitment confirmation

Who is this for? If you own a 2007–2013 Chevrolet Silverado or GMC Sierra extended cab and you’re experiencing window failure—slow operation, grinding noises, intermittent movement, or a window stuck in one position—this NPAUTO rear left driver-side power window regulator with motor offers a direct-fit, reliable replacement. It’s aimed at DIY mechanics and professional installers who want an OE-style assembly that saves time by including the motor, plus a 2-year warranty for added confidence.