Image is for illustration purposes only. Actual part may vary.

NAV400

RADIATOR

This is an aftermarket replacement radiator for International Navistar Durastar 4000 series trucks (model years 2008 and newer). It is a heavy‑duty all‑metal unit with a copper core and brass tanks, and includes an integrated oil cooler on the grille side. Radiators like this are replaced when the original becomes clogged, corroded, or fails to maintain proper engine temperature, helping protect the engine and transmission from overheating.