1 broke mount nipple on the bottom. This air intake box housing is designed for use with 17-19 Chevy Silverado and GMC Sierra 6.6L DIESEL trucks. It is a factory OEM stock original genuine General Motors part that comes with a center air breather duct tube output housing. The item is suitable for Chevy Chevrolet GMC Cadillac trucks and SUVs manufactured between 2014 and 2020. This item is suitable for use with 17-19 GMC Chevrolet Sierra Silverado 6.6 6.6L trucks.