Motor Heatsink V2 4074: ARA390304
In Stock
Keep your ARRMA Motor Heatsink V2: 4074 running cool during intense high-speed bashing sessions with this premium aluminum motor heatsink. Designed specifically for 40mm diameter brushless motors in ARRMA 6S BLX vehicles, it prevents thermal shutdown and protects your power system.
The official ARRMA Motor Heatsink V2: 4074 is precision-manufactured from high-grade lightweight aluminum to provide exceptional thermal conductivity for your high-performance RC car. Featuring an etched ARRMA logo and sleek black anodized finish, this multi-fin heat sink increases total surface area to rapidly transfer heat away from 40mm motor cans. Additionally, the integrated flat mounting surface allows for easy installation of an optional 35mm cooling fan for maximum airflow. Securely fit this essential replacement part to your 1/7 or 1/8 scale ARRMA 6S BLX vehicle using the included heatsink clip and experience reliable performance line after line.
What size motors does the ARRMA Motor Heatsink V2: 4074 fit?
The ARRMA Motor Heatsink V2: 4074 is specifically engineered to fit 40mm diameter brushless motors commonly used in ARRMA 6S BLX vehicles.
Can I mount an extra cooling fan on the ARRMA Motor Heatsink V2: 4074?
Yes, it features an integrated flat area designed specifically to allow direct mounting of a 35mm cooling fan.
Is mounting hardware included with the ARRMA Motor Heatsink V2: 4074?
Yes, the package includes the required heatsink clip for a secure and direct installation onto your motor.










