The Spitronics NEBULA Fan Controller is a compact, high-reliability module designed to give precise control over electric radiator fans. Ideal for performance builds, engine swaps, and OEM replacements, it ensures stable engine temperatures under all driving conditions.

Built to integrate seamlessly with Spitronics ECUs and standalone setups, the controller allows accurate temperature-based fan activation, reducing overheating risk while improving engine efficiency.

Harness included: N10, N11.

Key Features

• Temperature-based programmable fan control

• Compatible with Spitronics ECUs and standalone installs

• Compact automotive-grade housing

• Stable switching for high-current fan relays

• Ideal for engine conversions and performance vehicles

Perfect For

• Engine swaps (Toyota 1UZ, LS, etc.)

• Motorsport builds

• Street performance cars

• Custom cooling systems