Peterbilt 5-Row Radiator | Copper Brass | 357 377 378 379

Upgrade your cooling system with the 558036-5 heavy-duty copper-brass radiator, engineered for Peterbilt 357, 375, 378, and 379 trucks. Built with a high-efficiency 5-row serpentine core, this bolt-together radiator delivers superior heat dissipation in the most demanding conditions. Its durable copper-brass construction ensures maximum reliability, while the steel top and bottom tanks offer long-lasting strength. The serpentine core design makes it a viable option for both highway and off-road applications.

This downflow radiator measures 36 1/4" high x 34 3/8" wide x 2 7/8" thick, with a 2 1/2" upper-right inlet and 3" lower-right outlet. It includes a built-in surge tank and is compatible with numerous part numbers including PET06, PET10, PET29, BRC1176, and SPI21013701. Trucks manufactured before 1998 may require reusing existing side channels, and the lower connection may be reversed prior to installation.

Proudly backed by a 2-year unlimited-mileage warranty, this radiator provides exceptional cooling performance and value. Ideal for heavy-duty fleets and vocational operators looking to extend engine life and reduce downtime. Ships via truck freight. Always verify fan clearance and model compatibility before ordering.

Trust American Radiator for premium Peterbilt radiators built to perform and last.