Peterbilt

American Radiator is your go-to source for Peterbilt surge tanks, offering durable and reliable solutions that keep your cooling system performing under pressure. Whether you run a Peterbilt 379, 389, 579, 567, or other heavy-duty model, our extensive inventory ensures you’ll find the exact Peterbilt coolant reservoir—also known as an expansion tank—to fit your truck.

A damaged or cracked Peterbilt surge tank can cause coolant leaks, overheating, and costly downtime. That’s why we provide high-quality aftermarket surge tanks engineered to meet or exceed OEM standards. Our selection includes standard replacements along with custom-fabricated surge tanks from our in-house radiator repair shop, giving drivers and fleets dependable options with quick turnaround times.

At American Radiator, we understand that downtime costs money. That’s why we offer famous same-day shipping on most Peterbilt expansion tanks, helping you get back on the road fast. If you don’t see the exact tank you need, our experts can help source or build one to fit your application.

Call 877-203-4572 today for expert support and discover why truck operators nationwide trust American Radiator for dependable, cost-effective Peterbilt surge tank replacements.