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Frequently Asked Questions
Yes, this alloy heat sink with a 5V cooling fan is compatible with Traxxas TRX4 as well as other 1/10 scale RC cars like Slash, ARRMA, and SCX10.
It fits 540, 550, 3650, and 3660 size brushless motors with a 36mm diameter, making it suitable for most standard 1/10 and 1/12 scale RC car motors.
The 5V cooling fan can be directly powered from your RC car receiver's spare port, allowing easy installation and operation without needing extra batteries.
Yes, the aluminum alloy heat sink combined with the cooling fan effectively dissipates heat, reducing motor temperature to prevent overheating, demagnetization, and extending motor life.
Yes, the heat sink uses two screws to secure the cooling fan due to its compact design. This is intentional and not a sign of missing parts.
Recommended Uses
- Enhancing cooling performance during extended RC car racing sessions to prevent motor overheating.
- Upgrading the motor cooling system of Traxxas Trx4, Slash, ARRMA SCX10, and similar 1/10 scale RC vehicles.
- Protecting brushless motors (540, 550, 3650 sizes) from demagnetization and performance loss during intense off-road crawling.
- Maintaining optimal motor temperature for improved efficiency in RC buggies and trucks during competitive events.
- Replacing or upgrading existing motor heat sinks to extend the lifespan of RC car motors.
- Easy installation for hobbyists looking to improve motor durability and reliability in various RC applications.
Qloi-LeUe
Alloy Heat Sink with 5V Cooling Fan for Traxxas Trx4 Slash ARRMA SCX10 and 1/10 RC Car - Compatible with 540, 550, 3650 Size Brushless Motor(Blue)
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Key Features
- -Vehicle Compatibility: Our motor heatsink is designed for 1/10 1/12 scale RC cars, trucks, buggies, and crawlers. Suitable for Traxxas Trx4 Slash ARRMA SCX10 and so on.
- -Universal RC Electric Motor Fit: This heat sink is compatible with 540, 550, and 3650-size brushless motors and 36mm diameter brushless motors (including 3660 models). One cooler solves cooling needs across multiple setups upgrade or replace with confidence. Its cooling fan can be directly powered from the receiver's spare port, offering easy power access and ensuring straightforward operation.
- -Premium Aluminum Alloy Heat Sink: Made of high-performance alloy and hard plastic materials, This heat sink dissipates heat effectively, ensuring your motor stays protected even during intense runs. The sleek blue design not only enhances performance but also adds a stylish touch to your setup.
- -Motor Heatsink Function: Keep your RC car motor running cool and efficient with our high-performance aluminum alloy heat sink and 5V cooling fan combo! This brushless motor heat sink significantly reduce the motor operating temperature, effectively prevent overheating demagnetization and performance degradation, and protect the motor and extend motor's service life.
- -Note: This heat sink is designed to be secured with two screws for the cooling fan. The use of two screws is intentional due to the fan’s compact design and does not indicate missing parts. If you have any questions, feel free to reach out to us!




