Shop new, used, and remanufactured Caterpillar C13 Fuel System on MyLittleSalesman.com . Compare active listings with prices from $50 to $2,600. Sellers include Tony's Truck Parts, LKQ Heavy Truck, American Truck Sales & Salvage, and more. Filter by condition, price, or year to find the Caterpillar C13 that fits your job.