Dorman 74440 Window Regulator Guide - Front Left

Durable Window Regulator Guide for Select GM Vehicles

The Dorman 74440 window regulator guide is engineered to provide reliable support and smooth operation for your vehicle's window system. Designed specifically for select Buick, Cadillac, Oldsmobile, and Pontiac models, this part ensures precise fitment and long-lasting performance.

• Constructed from steel and nylon for strength and durability
• Dimensions: 1.28 inches length, 1.66 inches width, and 0.518 inches thickness
• Specific fit for Buick, Cadillac, Oldsmobile, and Pontiac models including Bonneville, DeVille, Grand Am, and more
• Includes one window regulator guide per package
• Part number 74440 for easy identification and replacement

Product Details and Material Specifications

The Dorman 74440 window regulator guide combines steel and nylon materials to balance rigidity and smooth movement within the window assembly. Measuring 1.28 inches in length, 1.66 inches in width, and 0.518 inches thick, this guide is designed to fit precisely in the window regulator mechanism. Its specific fitment ensures compatibility with various GM vehicles such as the Buick LeSabre, Cadillac Fleetwood, Oldsmobile Cutlass Calais, and Pontiac Skylark, providing a reliable replacement part that maintains factory specifications.

Compatible Vehicles and Applications

This window regulator guide is compatible with the following makes and models:

• Buick: LeSabre, Park Avenue, Skylark
• Cadillac: DeVille, Fleetwood
• Oldsmobile: Cutlass Calais, Delta 88
• Pontiac: Bonneville, Grand Am

Use this part to restore proper window function and alignment in these specific vehicles.

Common Issues Addressed by the Window Regulator Guide

• Window glass misalignment or uneven movement
• Excessive window noise or rattling during operation
• Window regulator binding or sticking
• Wear or damage to original window guide components
• Difficulty raising or lowering the window smoothly

Installation Notes and Tips

• Ensure vehicle compatibility by verifying make, model, and year before installation
• Carefully remove the door panel to access the window regulator assembly
• Inspect the window regulator and related components for additional wear or damage
• Use appropriate tools to avoid damaging the steel and nylon guide during installation
• Test window operation after installation to confirm smooth movement and proper alignment

Quality Assurance and Warranty Information

Dorman manufactures the 74440 window regulator guide to meet or exceed OEM standards for fit and function. The combination of steel and nylon materials provides durability and resistance to wear. While specific warranty details may vary, Dorman typically offers limited warranties on their replacement parts to ensure customer confidence in product quality.