TechPro GM1550115 Window Regulator - Rear Left

Rear Left Window Regulator for Bonneville

Restore smooth rear window operation with this TechPro window regulator for the 2000-2005 Pontiac Bonneville, rear left. Built for regulator and motor assembly applications, it follows factory-style fitment for a clean, direct replacement.

Key Features

• Designed for regulator and motor assembly applications
• Factory-style precision for accurate alignment
• High-quality materials for durability and lasting performance
• Helps restore the vehicle’s original appearance with a seamless look
• Direct-fit replacement for the rear left door position

Product Details

TechPro GM1550115 is a rear left window regulator for the 2000-2005 Pontiac Bonneville. It is built to match the original regulator and motor assembly layout, making it a practical choice for drivers replacing a worn or failed rear window mechanism. This part cross-references OEM 15231243 for the same application.

Common Repair Issues

• Rear window glass that will not move up or down
• Slow, uneven, or noisy window travel
• Binding or slipping in the window mechanism
• Loss of proper window alignment in the rear left door

Installation Notes

Fits 2000-2005 Pontiac Bonneville, rear left. Confirm the regulator and motor assembly configuration before installation and compare the original part number GM1550115 with the removed unit. Verify door trim, glass alignment, and electrical connection points during replacement.

Quality Assurance

TechPro builds this regulator with materials selected for durability and consistent operation. The factory-style design supports a precise replacement for Pontiac Bonneville rear left window service.