The Peterbilt 357, 375, 378, and 379 4 Row Radiator with Surge Tank is a durable and efficient cooling solution for your vehicle. Made of copper and brass with a steel tank, this radiator is built to last. With dimensions of 36 1/4 inches in core height, 34 3/8 inches in core width, and 2 1/16 inches in depth, it fits most Peterbilt 357, 375, 378, and 379 models. The bolt-together construction makes installation easy. Replacing OE number 07-06657-A040, this radiator is a reliable and practical choice. Find more OE replacement numbers in the additional information tab.