International | Navistar

When your Freightliner surge tank begins to crack, leak, or fail under pressure, American Radiator has you covered with aftermarket surge tanks designed for performance and durability. We stock a complete line of Freightliner coolant reservoirs, also known as radiator expansion tanks, built to fit popular models like the Freightliner Cascadia, Columbia, Century, FLD, and M2 Business Class. Each tank is engineered to handle the extreme demands of heavy-duty trucking, maintaining coolant balance, preventing overheating, and keeping your engine protected mile after mile.

American Radiator offers both direct-fit replacements and custom surge tank fabrication from our in-house radiator repair shop, ensuring that even hard-to-find applications are available with quick turnaround. With our famous same-day shipping, fleets and independent drivers get back on the road faster with minimal downtime.

Whether you need a rugged aftermarket Freightliner surge tank or a custom-built expansion tank for specialized applications, American Radiator delivers dependable quality backed by expert service. Call 877-203-4572 today and let our specialists help you find the right Freightliner surge tank replacement for your truck.