Dorman 45343 Window Guide

Dorman 45343 Window Guide for Select GM Cars

Dorman 45343 is a plastic window guide built to match the fit and function of the original guide on specified vehicles. It is engineered for durable, reliable performance in the window regulator and glass track system.

Key Features

• Plastic construction for consistent fit in the door glass guide path
• Matches original guide fit and function for specified applications
• Designed for dependable window movement and alignment
• Direct replacement for select Buick, Cadillac, Oldsmobile, and Pontiac models
• Cross-references OE part number 10087223 for the same application

Detailed Description

This Dorman window guide, part number 45343, is a replacement component for vehicles that use a guide to keep the side window aligned as it travels up and down. It is a practical choice for restoring proper glass tracking on applications such as the 1985-1993 Cadillac DeVille, 1986-1993 Cadillac Fleetwood, 1986-1991 Buick LeSabre, and 1987-1991 Pontiac Bonneville. It also fits 1991-1993 Buick Park Avenue, 1993 Cadillac 60 Special, 1985-1991 Oldsmobile 98, and 1986-1991 Oldsmobile Delta 88.

Use Dorman 45343 when the original guide is worn, cracked, or no longer keeping the window aligned correctly. The part number 45343 is a direct-fit service replacement for select GM body applications where the guide is part of the glass support system.

Common Problems This Part Addresses

• Window glass shifting out of alignment during operation
• Rough or uneven window travel
• Noise from a worn or damaged guide
• Binding caused by deteriorated guide material
• Poor glass support in the door track

Installation Notes and Tips

Verify vehicle application by year, make, and model before installation. Inspect the surrounding regulator and guide surfaces for wear, debris, or damage that could affect window movement. Confirm the guide seats correctly in the original mounting location and that the glass travels smoothly after installation.

Quality Assurance

Dorman designs this replacement window guide to match original fit and function on specified vehicles and to deliver durable, reliable performance in service.