INTERNATIONAL | NAVISTAR CHARGE AIR COOLER: 2009 TRANS STAR EAGLE PROSTAR & MORE

Enhance the performance of your 2009 TransStar, ProStar, Eagle, or International bus/chassis with the American Radiator charge air cooler 2591600C91 with frame. Engineered for rigorous conditions, this cooler features a robust bar & plate aluminum core that excels in heat rejection under high boost pressures. By lowering intake temperatures, it increases air density for improved combustion, better fuel efficiency, and more consistent horsepower delivery.

Constructed with a frame-supported design, this assembly adds structural integrity, aligns precisely with factory mounts, and resists vibration fatigue that typically shortens component life. Built to OEM specifications, it installs as a direct-fit replacement—no custom modifications required. Its durable frame and core construction stand up to corrosion, thermal cycling, and extended duty cycles.

The cooler’s optimized heat transfer surfaces and airflow channels maintain temperature stability during continuous operation, protecting your turbocharger, piping, and engine from excessive heat degradation. Ideal for fleets and owner-operators, the American Radiator 2591600C91 charge air cooler with frame delivers reliable cooling, reduced downtime, and dependable performance under the most demanding conditions.

Backed by precision engineering and quality assurance, it’s the smart upgrade or replacement choice for keeping your International / Navistar units running cooler and stronger.