GM Genuine Parts Wheel Caps are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Wheel Caps help protect your vehicle's wheel hub, cv shaft (if equipped), and wheel fasteners from dust and moisture. 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).