Caliso 22336 Heavy Duty Thermal Engine Cooling Fan Clutch

The Caliso 22336 is a heavy duty thermal engine cooling fan clutch engineered to meet or exceed original equipment (OE) specifications. Designed as a direct-fit replacement, this fan clutch restores proper engine cooling performance and helps protect against overheating.

Thermal fan clutches regulate engine temperature by engaging and disengaging the cooling fan based on underhood air temperature. The heavy duty design features a land and groove impeller construction, providing a larger working surface area for higher operating RPMs and more aggressive cooling demands compared to standard duty units.

Key Features:

• Heavy duty thermal design engineered to meet or exceed OEM specifications
• Land and groove impeller construction for expanded working surface area
• Engages fan at 80–90% of shaft speed for maximum cooling when needed
• Compatible with deeper pitch fan blades (approximately 2.5" of pitch)
• Silicone fluid-filled clutch chamber with bi-metallic thermal spring engagement
• Disengages fan when engine reaches stable operating temperature, reducing parasitic load and improving fuel efficiency
• Direct-fit replacement — no modifications required

Replacing a worn or failed fan clutch restores critical cooling system performance. A faulty fan clutch can cause engine overheating, excessive noise, reduced A/C performance, poor fuel economy, and loss of power. The Caliso 22336 thermal fan clutch provides a reliable, durable solution built to handle the demands of everyday driving.