Without active shutter.

Front Panel Retainer Nut

Helps align and secure various components This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Front Panel Lower Bracket

Without active shutter. With active shutter, with dual shutter. Helps properly direct air flow Helps keep your vehicle's engine operating at its optimal temperature This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors