Made to keep your vehicle's engine running cool Designed to maintain proper cooling level and prevent overheating Manufactured from high-strength materials to last Durable construction to withstand everyday wear and tear When you're serious about cooling you need a radiator! Radiators are carefully engineered and Wind Tunnel Tested in laboratory for Cooling Performance Validation. Radiator Details: 3-Row of tubes Core Racing Design Material: Full Aluminium Core Height Between Tanks: 37-1/8" Core Width Fin Area Only: 19-7/32" Upper Inlet Size: 1-3/4" Lower Outlet Size: 1-3/4" Enginer Oil Cooler: Yes Transmisson Oil Cooler: Yes Below are OEM part numbers for this radiator 15797461, 15170906, 15258917, 150113551, 19130050, 1579463, 15013568, 88551, 15170904, 15013546, 15797463, B1449, 1003639, 1003639AN, 1003636AS, 12082101, 1003638, 1003638AS, 21693, 15258918, 19130049, 15797462, M2947001, S6705001 Compatibility With[Please Check the Size Before You Buy!]: 2003-2009 chevy C4500 Kodiak 6.6L 2003-2009 chevy C4500 Kodiak 8.1L 2003-2009 chevy C5500 Kodiak 6.6L 2003-2009 chevy C5500 Kodiak 8.1L 2003-2007 chevy C6500 Kodiak 8.1L 2003-2009 GMC C4500 Topkick 6.6L 2003-2009 GMC C4500 Topkick 8.1L 2003-2009 GMC C5500 Topkick 6.6L 2003-2009 GMC C5500 Topkick 8.1L 2003-2007 GMC C6500 Topkick 8.1L 2005-2008 Isuzu HTR 7.8L [12 Months Warranty! Full refund or resend for fitting or quality problem](/br) Radiator Arrived Damaged? All aluminum radiator is easy got damage during shipping, we offer full refund or replacement if your order arrived damaged. (clear pics of damaged radiator and packing box is required before we resend or refund) Radiator Leaking/Not Working after Installed? 12 Months warranty. (clear pics of leaking details is required before we offer solution) Contact us if you have any question!