Genuine OEM Ford Timing Belt, part number 1231976. This belt is responsible for transmitting rotational power from the crankshaft to the camshaft(s), ensuring precise synchronization of engine valve timing. Accurate timing is essential for optimal engine performance, fuel efficiency, and emissions control. The belt features reinforced teeth to engage positively with sprockets. Genuine OEM belts are manufactured to exact specifications for durability and reliable power transmission.