This rear-view mirror is a genuine OEM part compatible with various GMC, Chevy, Pontiac, Cadillac, Saturn, and Buick models. It is an interior front windshield mounted mirror with manual dimming features, and the placement on the vehicle is upper front. The mirror is a direct replacement for the original one that came with the vehicle and has several OE/OEM part numbers for different models and years. It is not a custom bundle and has no modifications. This mirror is perfect for those who need a replacement for their damaged or broken mirror.