The Peterbilt 4 Row Downflow Radiator With Surge Tank is a highly practical and efficient product. With its bolt-together construction and copper, brass, and steel tank materials, it ensures durability and longevity. The radiator features a 36 1/4 inch core height, 34 3/8 inch core width, and 2 1/4 inch depth, providing excellent cooling performance. It also includes a 2 1/2 inch upper left inlet and 3 inch lower right outlet for easy installation. Designed for most Peterbilt 357, 375, 379, and 387 1995 and older models, this radiator does not feature an oil cooler. It is sold individually and comes with various OEM and aftermarket numbers for compatibility.