UPT89109 | Genuine International® Fan Drive Pulley

Functions: 
Engine cooling: By driving the cooling fan, it helps to circulate air through the radiator to cool the engine's coolant.
System efficiency: Proper functioning of the fan drive pulley ensures optimal engine temperature and overall vehicle performance.
Drives the cooling fan: The primary function is to transfer rotational motion from the engine crankshaft to the cooling fan via a drive belt.

This fan drive pulley is important for efficient engine cooling. It transmits rotational motion from the crankshaft to the cooling fan via a belt, helping to circulate air through the radiator to cool the engine coolant. This ensures optimal engine temperatures and the efficiency of the entire vehicle.

Navistar International Corporation is an American company specializing in the production of trucks, buses, diesel engines and other transport equipment. They are known for their products for various industries including logistics, construction and public transport. The company is also actively working on the development of electric and hybrid solutions for the transport industry.