Navistar 4200/4300/4400 Series 2002-2007

The Active Radiator 640019PTV is precision-engineered as a direct-fit, high-performance replacement for Navistar 4200, 4300, and 4400 series trucks (2002–2007) with automatic transmission. Featuring a rugged copper/brass core paired with durable aluminum tanks, this radiator ensures efficient heat dissipation under all operating conditions. Built to OEM standards, it offers exact-fit mounting, seamless connections, and requires no modifications. Each unit undergoes rigorous pressure testing for leakproof assurance.



Designed for demanding environments—hauling, extreme temperatures, heavy-duty use—the 640019PTV restores cooling reliability and engine protection. Reinforced fins and tanks resist vibration and corrosion, reducing maintenance and downtime. Comes with Active Radiator’s one-year limited warranty and is backed by Wofford Truck Parts’ dedicated technical support, letting you get back on the road with confidence.