TechPro MA1550104 Window Regulator - Rear Left

Rear Left Window Regulator for Mazda Protege

Restore smooth rear window operation with this TechPro window regulator for the rear left position. Built for power window systems with motor, it is made to match factory-style fitment and help return the window to proper movement and alignment.

• Fits 1999-2003 Mazda Protege, rear left
• Fits 2002-2003 Mazda Protege5, rear left
• Designed for power window applications with motor
• Factory-style precision for a clean, direct replacement fit
• Constructed from high-quality materials for durability and consistent performance
• Helps restore the original appearance of the door assembly

Detailed Product Overview

TechPro MA1550104 is a rear left window regulator for Mazda Protege and Mazda Protege5 models equipped with power windows and motor. It is built to follow factory-style mounting and movement characteristics, making it a practical replacement for worn or malfunctioning regulator assemblies. The MA1550104 part number is also referenced for interchange with OEM application B25E73590-PFM, and this part cross-references B25E73590 for the same application.

For owners searching for a Mazda Protege rear left window regulator or a Mazda Protege5 power window regulator with motor, this assembly provides a direct-fit solution focused on restoring normal glass travel and door function. TechPro MA1550104 is suited to vehicles from 1999 through 2003 in the Protege line and 2002 through 2003 in the Protege5 line.

Common Problems This Part Addresses

• Window glass that will not raise or lower properly
• Slow, uneven, or binding window movement
• Noise from a worn regulator mechanism
• Loss of factory-style window alignment in the rear left door
• Failure of the original power window regulator assembly

Installation Notes and Tips

Verify the vehicle uses a power window setup with motor before ordering. Confirm rear left door fitment against the OEM reference B25E73590-PFM and the MA1550104 part number. Compare the original regulator layout and mounting points to ensure the replacement matches the existing door configuration.

Quality Assurance

TechPro builds this regulator with high-quality materials and factory-style precision to support durable, lasting performance. The design focuses on restoring proper operation and a seamless appearance in the door assembly.