These large books were originally furnished to all FordĀ® Parts Departments to be used on their parts counters. They have every blown up illustration of the entire truck broken down into wheels, brakes, steering, differential, frame, engine, transmission, cooling, fuel, generator, starter, ignition, lighting, wiring, accessories, fenders, sheet metal, bumpers, complete pickup beds and on and on and on. These books list the original FordĀ® body number on every part so you can find the part easily.