This is the radiator rubber bushing/insulator for 2007-2009 GMC Topkick and Chevrolet Kodiak C4500, C6500, C7500, and C8500 trucks. This item mounts on the top of the radiator and is a black rubber bushing to cushion it in place. Replace your old, deteriorated, cracked, or missing bushing 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 # 15258905

Item is number 21 in the GM diagram