Caliso 22618 Thermal Truck Drive Fan Clutch

The Caliso 22618 is a thermal truck drive fan clutch engineered as a direct-fit replacement for the engine cooling system. This temperature-sensitive clutch automatically engages and disengages the cooling fan based on engine heat, helping maintain optimal operating temperatures while reducing unnecessary load on the engine when full cooling capacity is not required.

Key Features:

• Thermal fan clutch design that reacts to engine temperature for automatic engagement
• CNC machined to meet or exceed OE specifications for precise fit and function
• All-aluminum body construction for efficient heat dissipation and long-term durability
• High-quality heavy-duty bearing with high-temperature moly grease for extended service life
• Includes fan mounting hardware for a complete installation
• OEM cross-reference: General Motors 06009991 / 6009991

The Caliso 22618 thermal fan clutch is a reliable, OE-quality replacement that restores proper engine cooling performance and helps prevent overheating.