SPAL 850W 19in BEAST 3700 Flush Mount Brushless Fan w/Jumper Harness

Upgrade your vehicle’s cooling system with the SPAL BEAST 3700 flush-mount brushless fan, part number 30107521-PKG. Designed for demanding automotive applications, this high-output electric fan delivers up to 850 watts of cooling performance while maintaining a streamlined installation profile. Its brushless motor is engineered for efficient, dependable operation and reduced maintenance compared with conventional brushed fan designs.
The flush-mount configuration helps maximize available space around the radiator, intercooler, or other heat exchanger. The included jumper harness simplifies wiring and supports a cleaner installation, making this SPAL fan a practical choice for performance vehicles, custom builds, and replacement cooling systems. Its robust construction is suited for applications that require consistent airflow and reliable thermal management under demanding conditions.
The SPAL 30107521-PKG BEAST 3700 is built for automotive use and provides a strong combination of airflow capability, installation flexibility, and durable brushless technology. Verify vehicle, radiator, shroud, and electrical-system compatibility before installation. Professional installation is recommended to ensure proper mounting, wiring, polarity, and system protection.

Features:

• Brand: SPAL

• Part Number: 30107521-PKG

• Fan Type: Flush-mount electric brushless fan

• Series: BEAST 3700

• Power Output: 850 watts

• Harness: Includes jumper harness

• Application: Automotive cooling systems

• Motor Design: Brushless for efficient, low-maintenance operation

• Installation: Designed for streamlined flush-mount fitment