Caliso 22616 Thermal Truck Drive Fan Clutch Engine Cooling

The Caliso 22616 is a thermal truck drive fan clutch designed to maintain optimal engine operating temperatures by automatically modulating cooling fan speed in response to engine heat. This type of thermal fan clutch engages and disengages the engine cooling fan based on temperature demand, improving fuel efficiency when full cooling is not required and delivering maximum airflow when it is needed most.

Key Features:

• Thermal engagement: Automatically increases fan speed as engine temperature rises, reducing parasitic drag during normal operation
• OEM-equivalent design: Engineered to meet or exceed original equipment specifications for reliable, direct-fit replacement
• All-aluminum body: Lightweight aluminum construction promotes efficient heat dissipation and long service life
• CNC-machined construction: Precision machined to exact OE tolerances for proper fit and reliable operation
• Heavy-duty bearing: High-quality bearing assembly with high-temperature grease for extended durability under demanding truck applications
• Truck drive (screw-on) style: Designed specifically for heavy-duty truck fan drive applications

This thermal fan clutch is a direct replacement unit intended for heavy-duty truck applications. Proper fitment is essential — always verify the part number against your specific vehicle and engine combination before installation. Cross-reference part numbers include 22616.