23485737 GM Rear fender

What is this part?

The GM rear fender 23485737 is a genuine OEM exterior body panel designed to cover and protect the rear wheel area of the vehicle.

What does it do?

This OEM rear fender shields the body and underbody from road debris, water, and dirt thrown up by the rear wheels. It also contributes to the vehicle's exterior styling and may form part of the quarter panel or wheel arch structure, depending on design. A genuine GM rear fender is manufactured to factory specifications, ensuring correct body contours, mounting points, and corrosion resistance. Proper rear fender fitment is essential for appearance and protection.

When to replace

The GM rear fender 23485737 should be replaced if it is bent, cracked, severely corroded, or damaged in a collision. Misalignment or deformation can affect wheel arch clearance and exterior panel gaps. Installing a genuine OEM rear fender restores factory body lines and protective function.

Compatibility

The genuine GM rear fender 23485737 is compatible with selected GM vehicles and rear body configurations. This OEM component is engineered for precise fitment based on body style, mounting design, and side (left or right). Compatibility may vary depending on model year, trim level, and market specification. Please verify the part number 23485737 before purchase.

Installation: DIY or service?

Installation of the genuine OEM GM rear fender 23485737 is not recommended as a DIY task unless the installer has body repair experience. Proper alignment and possible welding or repainting may be required. Professional installation ensures correct fit, finish, and long-term corrosion protection.