Dorman 45299 Window Guide - Front Left Upper Rearward or Front Right Upper Rearward

Dorman 45299 Window Guide for GM Front Doors

Dorman 45299 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 operation in the front left upper rearward and front right upper rearward positions on select Chevrolet, Buick, Oldsmobile, and Pontiac models.

Key Features

• Plastic construction for OE-style fit and function
• Designed for front left upper rearward and front right upper rearward window guide locations
• Direct replacement for the original guide on listed applications
• Part number 45299 for easy identification
• Cross-reference: 10087223

Detailed Description

This Dorman window guide is made for drivers restoring proper window movement on vehicles such as the Chevrolet Corsica, Buick Skylark, Oldsmobile Cutlass Calais, Pontiac Grand Am, and Oldsmobile Calais. The guide helps maintain the correct path and alignment of the side window as it travels in the door, supporting consistent operation in the specified front door positions. If you are replacing a worn or damaged window guide on a GM compact or midsize platform, Dorman 45299 provides a direct-fit service part for the listed applications.

Fits 1987-1996 Chevrolet Corsica, front left upper rearward and front right upper rearward. Fits 1986-1991 Buick Skylark, front left upper rearward and front right upper rearward. Fits 1988-1991 Oldsmobile Cutlass Calais, front left upper rearward and front right upper rearward. Fits 1985-1991 Pontiac Grand Am, front left upper rearward and front right upper rearward. Fits 1985-1987 Oldsmobile Calais, front left upper rearward and front right upper rearward. Part number 45299 is also a useful reference when verifying the correct replacement.

Common Repair Uses

• Correcting a window that binds or tracks unevenly
• Replacing a cracked, worn, or broken guide
• Restoring proper glass alignment in the door
• Addressing noisy or rough window travel
• Repairing front door window guide wear on GM vehicles

Installation Notes

Confirm the vehicle year, make, model, and window position before installation. Compare the original guide to Dorman 45299 to verify the mounting shape and track location. Inspect the window regulator, glass channels, and related hardware for wear before reassembly so the replacement guide can operate correctly.

Quality Assurance

Dorman designs this replacement window guide to match original fit and function and to deliver dependable performance in service. The plastic construction is selected for durability in the specified applications.