The product is a vintage General Motors AC Harrison unit designed for Chevy Impala and Chevelle models from 1963 to 1965. This under dash unit is a genuine dealer part, providing air conditioning capabilities for these classic vehicles. With its durable construction and compatibility with specific Chevy models, this product serves as a replacement part for maintaining the functionality of your vintage Chevy vehicle. The plastic housing has a crack in the top see pics. Will not be seen once installed and will not effect function.harness and relay included.