Description
Thermal management directly impacts engine reliability and performance longevity—especially under sustained racing conditions or heavy load situations. The Derale Adjustable Fan Controller gives you precise control over cooling fan engagement, allowing you to optimize coolant temperature within your specific operating window and reduce unnecessary parasitic drag from continuous fan operation. This is essential whether you’re fine-tuning a high-horsepower street application or managing heat on the track.
The pipe thread probe design integrates seamlessly into existing cooling systems, and the included 25-amp relay provides ample capacity for most electric fan setups. Setup is straightforward for anyone comfortable with basic automotive electrical work.
- 150–240°F activation range
- Fully adjustable setpoint
- 3/8″ NPT temperature sensor
- 25-amp relay included
- Complete harness kit
- Bolt-on installation
- Universal fitment
- MPN: 16749






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