Shop new, used, and remanufactured Caterpillar C12 Fuel Injectors on MyLittleSalesman.com . Compare active listings with prices from $50 to $700. Sellers include LKQ Heavy Truck, Delauto Used Truck Parts, Spalding Truck Parts, and more. Filter by condition, price, or year to find the Caterpillar C12 Fuel Injector that fits your job.