Caliso 22158 Heavy Duty Thermal Engine Cooling Fan Clutch

The Caliso 22158 is a heavy duty thermal fan clutch engineered to meet or exceed original equipment manufacturer (OEM) specifications. Designed for engine cooling system reliability, this thermal fan clutch regulates airflow through the radiator based on engine temperature, helping prevent overheating under demanding operating conditions.

Constructed with an all-aluminum body for efficient heat dissipation, the 22158 features CNC machining to exact OE tolerances and a high-quality, heavy-duty bearing packed with high-temperature moly grease for long-lasting performance. The unit features counter-clockwise rotation and is built to the standards of an ISO 9001:2015 certified manufacturing process.

Key Features:

• Heavy duty thermal fan clutch design for high-demand applications
• All-aluminum body for superior heat dissipation
• CNC-machined mounting surfaces — tapped and drilled for leak prevention and precise fitment
• High-load bearings with high-temperature moly grease for extended durability and wear resistance
• Improved shaft design for greater strength and enhanced load capacity
• Smooth surfaces reduce stress risers and lower material stresses during assembly
• Full surface contact on all interference fits
• Staked end for anti-rotation security
• Counter-clockwise rotation
• General application coverage, clutch specifications, and industry interchange information printed on stock number label
• Meets or exceeds OEM specifications
• Includes fan mounting hardware

The Caliso 22158 thermal fan clutch is a direct-fit replacement that delivers dependable engine cooling performance, making it an ideal choice for restoring proper cooling system function on compatible GM trucks, SUVs, and vans.