This is the heater hose inlet for 2003-2009 GMC Topkick C6500, C7500, C8500, and 2003-2009 Chevrolet Kodiak C6500, C7500, and C8500 trucks. This item carries hot radiator fluid into the heater core to provide heat into the truck cabin. This hose comes with the T fitting and the clamps installed. Replace your old, leaking, faulty hose with this brand new factory original part from General Motors at a fraction of the dealer price.

New. Never Installed. OEM part. Bulk Overstock

GM Part # 15178664 (number on the item)

Alternate GM part # 1532526 ; 15-32526