SPAL’s 19-Inch Beast 3700 Brushless Fan Delivers 3,787 CFM Of Cooling Power

There are many benefits to upgrading your build with brushless electric fans. In addition to better control and efficiency, you’re getting cooling components that are OEM-quality and poised to last for multiple years. At least, that’s the case when you upgrade to the 19-inch Beast 3700 SPAL Automotive showcased at SEMA 2026.

Up To 3,787 CFM Of Performance Cooling

Because SPAL engineers products for both leading race teams and leading OEMs, the company’s Sealed Brushless (SBL) fans deliver unmatched performance and reliability. Every design is engineered for a minimum of 40K operating hours and tested in high-stakes motorsport competition. Unmatched durability is achieved by reducing the number of wear components in the fan, creating assemblies that are rated to operate in high-temperature conditions. In addition to being IP6K9K certified, high-pressure waterproof and dustproof designs, SPAL brushless fans benefit from blade-jam protection that checks for obstructions before allowing the fan to start. Naturally, all fans are backed by an industry-leading warranty, and the company provides CFM charts online with real wind tunnel data that allows buyers to analyze CFM data with static pressure ratings.

The Benefits Of Brushless

Obviously, there are a number of great reasons to upgrade to an awesome SPAL brushless fan. For starters, units like the 19-inch Beast 3700 maximize your cooling capacity, something that’s especially useful in extreme temperatures, stop-and-go traffic, heavy loads, and high-horsepower applications. The fans also let you choose between customizable, ECU-controlled operation or installation of a plug-and-play temperature sensor for standalone control. The fan can also adjust to cooling demands, cutting down on electrical draw and noise.

But really, that last statement is an oversimplification. SPAL’s brushless fans move more air while provideing greater electrical efficiency compared to traditional, brushed fans. Because of the products’ soft-start technology and variable speed, electrical demand is greatly reduced, especially at startup. SPAL’s patented sine-wave technology reduces noise, vibration, and harshness. That all adds up to less stress on your vehicle’s electrical system, reducing strain on wiring and electrical components.

Of course, less strain means more overall reliability for the whole setup. Your electrical system is happy, and your engine stays happy thanks to the increased cooling capacity. And that increased capacity can even help pave the way for future performance upgrades, like more horsepower or increased towing.

Putting The Electric In Electric Fan

SPAL fans feature full ECU/PDM integration, meaning if you opt out of the company’s easy plug-and-play temperature sensor controller, the fan will accept a PWM control signal from an ECU or PDM for precise fan control. Even better, builders can hook up more than two fans to the same PWM signal or trigger the fan through the vehicle’s air conditioning system. If you prefer a switch, the fan can be controlled that way, and it’ll even retain the soft start tech that makes it easy on your electrical system. The company also offers multiple resources and support on ECU programming.

With up to 3,787 CFM of airflow, advanced brushless technology, and the durability to handle just about anything you can throw at it, SPAL’s 19-inch Beast 3700 is one serious cooling upgrade. Whether you’re building a high-horsepower street machine or something destined for the track, keeping temperatures under control is critical. And if what we saw at SEMA 2026 is any indication, SPAL continues to raise the bar for electric cooling fans.