Holley FB403 Frostbite Fan Controller Kit with 185°F On/170°F Off Temperature Settings and 1/2 Inch NPT Sensor

The Holley FB403 Frostbite Fan Controller Kit is designed to provide automatic temperature regulation for your vehicle's cooling system. This controller features a reliable fan activation threshold at 185°F and a fan shut-off at 170°F, ensuring optimal engine temperature management. The kit includes a durable 1/2 inch NPT threaded temperature sensor, harness, and relay, making installation straightforward and secure. Suitable for universal applications, this fan controller enhances cooling efficiency and engine performance by precisely managing fan operation based on temperature readings. Constructed with quality components, it is built to withstand demanding driving conditions and provides consistent performance. Whether for aftermarket cooling upgrades or OEM replacements, the FB403 kit offers a reliable solution to prevent overheating and maintain engine temperature within ideal ranges.

Features:

• Temperature Activation: Fan turns on at 185°F and off at 170°F for precise cooling control

• Sensor: Includes a 1/2 inch NPT threaded temperature sensor for accurate readings

• Compatibility: Universal fit for a variety of vehicle applications

• Construction: Durable relay and harness for reliable operation

• Ease of Installation: Designed for straightforward setup with included components