This is the body to frame mount bushing for 2003-2009 Chevrolet Kodiak and GMC Topkick C4500, C6500, C7500, and C8500 trucks. This mounts on the lower side of the rear frame to body mount. This part is a round, black, rubber bushing. Replace your old, worn out bushing with this brand new factory original part from GM at a fraction of the dealer price.

New. Never Installed. OEM part. Bulk Overstock

GM Part # 15923452 (number on the item)

Item is number 4 in the GM diagram