TechPro GM1550137 Window Regulator - Rear Left

Rear Left Window Regulator for GM SUVs

This TechPro rear left window regulator is built for vehicles with a regulator and motor assembly, offering factory-style fitment for a clean replacement. It is made with high-quality materials to support durable, lasting performance in Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook applications.

Part number GM1550137 is a direct-fit style solution for restoring rear window operation and maintaining the original appearance of the door assembly. This part cross-references OEM 20785728 for the same application.

Key Features

• Designed for regulator and motor assembly applications
• Factory-style precision for consistent installation alignment
• Built with durable materials for long-term use
• Supports a seamless, OE-style appearance after replacement
• Fits rear left door applications on select GM crossover models

Detailed Description

TechPro GM1550137 is a rear left window regulator engineered for select GM vehicles that use a regulator and motor assembly. It is a practical replacement for restoring smooth rear window movement and maintaining proper door function. Fits 2008-2015 Buick Enclave, rear left; fits 2009-2015 Chevrolet Traverse, rear left; fits 2007-2012 GMC Acadia, rear left; and fits 2007-2010 Saturn Outlook, rear left. The part number GM1550137 is also referenced as OEM 20785728 for application matching.

Common Repair Uses

• Rear window stuck in the up or down position
• Slow, uneven, or noisy window movement
• Broken or worn regulator components
• Loss of rear left window control function
• Restoring proper window alignment and operation

Installation Notes and Tips

Verify the vehicle’s rear left door configuration and compare the existing regulator and motor assembly before installation. Confirm fitment by matching the OEM reference 20785728 and the part number GM1550137 to the original unit. Professional installation is recommended for proper alignment and smooth window travel.

Quality Assurance

TechPro builds this window regulator with durable materials and factory-style precision to support dependable replacement performance. The design focus is on restoring original function and appearance in GM crossover rear door applications.