SP690112, 4M513A696AD, 4M513A696AC. 4M513A696AC, 4M513A696AD, 4M513A696AE. Most cars contain power-assisted steering devices and these devices make turning the wheels of a vehicle easier. This power-assisted steering technique is accomplished by using a power steering pump, which is driven by the engine of a car through a belt-and-pullley device.