TechPro GM1762112 Fender Liner - Rear Left

Rear Left Fender Liner for GMC HD Trucks

Restore the rear wheel opening on your heavy-duty truck with this TechPro fender liner, part number GM1762112. It is built for single rear wheel applications and matches factory-style fitment for a clean, finished appearance on the rear left side.

Fits 2020-2021 GMC Sierra 2500 HD, rear left. Fits 2020-2021 GMC Sierra 3500 HD, rear left. This part cross-references OEM 84868528 for the same application.

Key Features

• Designed for vehicles with a single rear wheel
• Factory-style precision for accurate placement
• Built from high-quality materials for durability and lasting performance
• Helps restore the vehicle’s appearance with a seamless look
• Direct fit for rear left wheel opening service on GMC Sierra HD models

Detailed Description

The TechPro GM1762112 fender liner is a body replacement part for the rear left wheel opening on 2020-2021 GMC Sierra 2500 HD and 2020-2021 GMC Sierra 3500 HD trucks equipped with a single rear wheel. It is shaped for factory-style precision, helping the liner sit correctly in the wheelhouse area and maintain the original exterior finish around the rear fender.

Use this rear left fender liner when replacing damaged, missing, or worn wheelhouse trim on a GMC Sierra 2500 HD or GMC Sierra 3500 HD. The GM1762112 part number is also useful when searching for an OEM-style replacement that matches cross-reference 84868528.

What It Helps Fix

• Broken or cracked rear wheelhouse liner
• Missing liner material around the rear left fender
• Visible wheel opening damage that affects appearance
• Wear from road debris, moisture, and normal use
• Improper fit after prior body repair on Sierra HD trucks

Installation Notes and Tips

Install on the rear left side only and verify single rear wheel configuration before ordering. Compare the existing liner, mounting points, and wheel opening shape to confirm correct application for your GMC Sierra 2500 HD or GMC Sierra 3500 HD. For best results, inspect adjacent trim and fasteners during replacement so the new liner seats evenly and maintains a factory-style finish.

Quality Assurance

TechPro body parts are built to support consistent fit and durable service in everyday truck use. GM1762112 is made to match the listed OE application for the rear left position on compatible GMC HD models.