GM Genuine Parts Engine Intake Manifold Covers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These covers are designed to help prevent dirt and/or debris from entering the intake manifold area of the engine. GM engine components are validated to perform with critical engine management sensors to help minimize check engine light events.GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).