The International Navistar, ProStar, and 2000 Heater Core is a practical and reliable product designed to fit most International Navistar, ProStar, and 2000 models. With a black housing finish, this heater core is sold individually and is compatible with OEM and aftermarket numbers SPI99340 and 99340. Its high-quality construction ensures optimal performance and durability. Upgrade your vehicle's heating system with this OEM replacement heater core, providing efficient heating for a comfortable driving experience.