Keystone GM1244133 Front Fender Brace Left Driver Side Front Section

The Keystone GM1244133 is an OEM-replacement front fender brace designed for the driver side (left) front section of the GMC Sierra 2500 HD and Sierra 3500 HD. Engineered to restore the factory structural integrity of the front fender assembly, this brace provides the rigid support needed to maintain proper fender alignment and panel fitment after collision damage or corrosion.

Manufactured to match original equipment specifications, this replacement brace is a direct bolt-on component that requires no modification for installation. It corresponds to GM OEM reference number 84542125.

Key Features:

• Direct OEM-replacement front fender brace — driver side (left), front section
• Engineered to factory specifications for precise fit and proper panel alignment
• Restores structural support to the front fender assembly
• Bolt-on installation — no cutting or modification required
• Replaces GM OEM part number 84542125
• Sold individually

This fender brace is an essential collision repair component for restoring the GMC Sierra 2500 HD and 3500 HD front end to factory form and function. Compatible with model years 2020–2024.