The International And Bluebird 3800 And 4900 Bus 3 Row Downflow Radiator is a reliable and efficient cooling solution for your bus. With its solder together construction and copper and brass construction material, it ensures durability and optimal performance. The radiator features a 31-inch core height, 12 1/8-inch core width, and 1 7/8-inch depth, providing excellent cooling capabilities. It also includes a 2 1/2-inch upper center inlet and 2 1/2-inch lower right outlet for easy installation. This downflow radiator is sold individually and does not feature an oil cooler. It fits most International and Bluebird 3800 and 4900 model buses.