The product is an 88-91 Honda Prelude Heater Core Radiator Blend Box Housing Heat Exchanger. It is a genuine OEM part made by Honda, designed specifically for the Prelude model. This heater core is a direct replacement part with interchange part numbers for 1988, 1989, 1990, and 1991 models. It is a high-quality product with no damage and does not include the module shown in the pictures. This product is a perfect choice for anyone looking to replace their heater core in their Honda Prelude.