(For Sale) Available in this ad are new engine belts for American GMC vehicles: 1- Engine belt, size: 12576447, original GM. I don't know which car it fits. 2- Engine belt, size: 88986813, original GM. Fits Suburban. I don't know the exact model. 3- Engine belt, size: 1005, original ACDelco. Fits Suburban, approximately 90s models. 4- Engine belt, size: 6K1005, original ACDelco. Approximately fits Suburban, 90s models. 5- Engine belt, size: 6K975, original ACDelco. Approximately fits Suburban, 90s models. 6- Engine belt, size: 6K966, original ACDelco. Approximately fits Suburban, 90s models. 7- Engine belt, size: 6K960, original ACDelco. Approximately fits Suburban, 90s models. 8- Engine belt, size: bpK2580. I don't know which car it fits. Note: All belts are new and unused. Most of them fit GMC vehicles in general. The selling price is very reasonable.