US Motor Works 22178 Heavy-Duty Thermal Fan Clutch

The US Motor Works 22178 is a premium thermal fan clutch designed to regulate engine cooling fan speed based on temperature conditions. This heavy-duty replacement clutch utilizes a temperature-sensitive bi-metallic coil that engages and disengages the fan as needed, improving fuel efficiency while maintaining optimal engine temperature.

Key Features:

• Temperature-activated bi-metallic coil design for precise fan engagement
• Heavy-duty construction with high-quality bearings for extended service life
• Reduces parasitic horsepower loss when full cooling is not required
• Direct OEM replacement fitment for simplified installation
• Helps prevent engine overheating while reducing fan noise during normal operation
• Manufactured to meet or exceed original equipment specifications

US Motor Works fan clutches are engineered for reliable performance in demanding automotive applications. The thermal design automatically modulates fan speed to match cooling requirements, reducing unnecessary engine load and improving fuel economy compared to a fixed-speed mechanical fan.