2001023C1 | Genuine International® Viscous Air Sensing Fan Clutch Conditioner Compressor and sometimes a return line

and sometimes a return line (in return‑type systems)

Filters out dirt

and temperature

especially on:

Strong ammonia smell

2001023C1 | Genuine International® Viscous Air Sensing Fan Clutch Conditioner Compressor and sometimes a return lineDescription: A Viscous Air Sensing Fan Clutch 2001023C1 is a temperature controlled device that connects and disconnects the engine cooling fan based on how hot the air coming through the radiator is. Part Number: 2001023C1 Condition: New Manufacture Brand: International Fits 2001023C1 For MAXXFORCE DT Purpose of using 2001023C1: 1. Prevent Engine Overheating When radiator air temperature rises, the clutch engages. The fan spins faster. More air moves