The Blue Bird HDFE 3000 And Freightliner Oshkosh Radiator is a reliable and practical solution for your vehicle's cooling needs. With a core height of 29 3/4 inches, core width of 26 1/8 inches, and a depth of 2 1/4 inches, this radiator offers efficient cooling performance. It features a 2-inch upper right at 6-inch inlet and a 2-inch lower left at 6-inch outlet, making it compatible with most Freightliner Oshkosh and Blue Bird HDFE 3000 models. This radiator does not include an oil cooler or framework. With OEM and aftermarket numbers such as 559172A, 310017, and 239172, you can trust its quality and compatibility.