The Airsource 7.13" Plastic / Aluminum Heater Core is the perfect solution for powerful heating capabilities. The core tubes are attached with fins to maximize the surface area for efficient heat transfer. This heater core is made with high-quality plastic and aluminum materials for superior durability and long-lasting performance. It is designed to provide reliable and efficient heating for your Freightliner vehicle. With its easy installation and maintenance, this heater core is the perfect choice for your Freightliner vehicle. FleetPride is your First Click in Heavy Duty®.