Kenworth | Peterbilt

At American Radiator, we are proud to be a trusted nationwide supplier of Kenworth and Peterbilt truck radiators built to handle the most demanding heavy-duty applications. Our inventory includes direct-fit replacement radiators for popular Kenworth and Peterbilt models, engineered for superior heat transfer, durability, and long service life. Each radiator is carefully designed to keep your cooling system efficient under extreme operating conditions, helping prevent costly downtime and engine damage.

We offer multiple options to match your needs, from OEM-style copper/brass radiators to all-aluminum heavy-duty designs with reinforced cores and bar-and-plate construction. Every Kenworth radiator and Peterbilt radiator comes backed by our two-year, unlimited mileage warranty, with severe-duty upgrades available for trucks operating in construction, agriculture, or long-haul environments.

With same-day nationwide shipping, wholesale pricing, and in-house radiator repair services, American Radiator makes it easy to keep your Kenworth and Peterbilt trucks running strong. If you don’t see the exact radiator for your W900, T680, 379, or 389, our cooling specialists are ready at 877-203-4572 to help. Trust American Radiator for reliable, cost-effective Kenworth and Peterbilt cooling system solutions.