Shop used and remanufactured Caterpillar C15 ACERT Engine Blocks / Cylinder Blocks on MyLittleSalesman.com . Compare active listings with prices from $2,185 to $5,500. Sellers include Frontier Truck Parts and Tim Jordan's Truck Parts. Filter by condition, price, or year to find the Caterpillar C15 ACERT Engine Block / Cylinder Block that fits your job.