This is a Radiator for an Isuzu NPR 4HE1 and GMC W4500 W5500.  It fits 1999-2004 year models.  Please check to see if your filler neck is offset or in the center.   Call for pricing and availability at 1-877-564-6307 Press 1.  If you have any further questions speak with our sales team. 05-05-16
*Pictures are for Illustration Purposes Only*