Genuine OEM Ford Drive Belt Tensioner Pulley, part number 1374385. This pulley is a critical component of the accessory drive system, responsible for maintaining the correct tension on the engine's drive belt. Proper belt tension ensures optimal performance of components like the alternator, power steering pump, and air conditioning compressor. The pulley is constructed from durable materials designed for long service life under demanding engine conditions. Genuine OEM parts are manufactured to exact specifications, ensuring proper fitment and function, and preventing premature wear or failure of the belt and other drive system components.