The Peterbilt 357, 377, 379, 385, 386, and 387 4 Row Radiator is a durable and efficient cooling solution for your truck. 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 models. The bolt-together construction makes installation easy. Replacing OE number 07-06657-A041, this radiator is a reliable and practical choice. Find more OE replacement numbers in the additional information tab.