High-Performance Silver RC Motor Cooling Fan for Traxxas, Arrma & More

Active Motor Cooling for 1/10 & 1/8 Scale RC Vehicles
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High-performance RC vehicles generate heat — regardless of brand or platform. The Cobra Racing 36mm RC Motor Cooling Fan is engineered as a universal motor cooling solution designed to reduce operating temperatures across Traxxas, Arrma, and other 1/10 and 1/8 scale RC platforms.

Whether you’re bashing, racing, or running aggressive gearing in warm conditions, excessive motor heat leads to power fade, inefficiency, and premature wear. This fan system actively removes heat from the motor can to help maintain consistent performance and long-term reliability.

What This Motor Cooling Fan Does

The Cobra Racing 36mm RC Motor Cooling Fan reduces motor temperatures by actively pulling heat away from the motor can using a high-RPM fan paired with a 7075-T6 aluminum heatsink. By continuously moving air across the motor surface, it helps prevent overheating, power loss, and premature motor wear during hard driving.

Why Motor Cooling Matters

RC motors generate heat under load. When heat builds up faster than it can be dissipated, performance drops and components wear out more quickly. Common causes of overheating include:

• High gearing and speed-focused setups

• Larger or heavier tires

• Extended bashing sessions

• Warm ambient temperatures

• Limited airflow around the motor

Active cooling helps stabilize motor temperatures and allows your vehicle to maintain consistent performance run after run.

Engineering & Design

7075-T6 Aluminum Heatsink

The integrated heatsink is machined from 7075-T6 aluminum, chosen for its excellent thermal conductivity and high strength-to-weight ratio.

• Rapidly absorbs heat from the motor can

• Spoke-style fin design increases total surface area

• Proper spacing between fins allows airflow to pass through instead of trapping heat

This design spreads heat across a larger surface area so it can be removed efficiently.

High-RPM Active Cooling Fan

Mounted directly above the heatsink, the fan spins at 15,000 RPM, forcing cool air across the aluminum fins.

• Actively removes heat even at low vehicle speeds

• Prevents heat buildup during repeated acceleration

• Maintains cooling when natural airflow is limited

Together, the fan and heatsink function as a complete thermal management system.

Key Features

• 36mm universal motor fan design

• 7075-T6 aluminum heatsink for efficient heat transfer

• 15K RPM high-airflow fan

• Stainless steel fan guard for durability

• Compact and lightweight design

• Installs the same way as OEM motor hardware

Universal Motor Compatibility

Designed to fit the most common RC motor can sizes:

• 540 motor cans (36mm diameter)

• 550 motor cans (36–38mm diameter)

• 1/8 scale motor cans (40–42mm diameter)

Compatibility is based on motor size, not brand, making this a true universal upgrade.

Traxxas Platforms

• Slash 4×4

• Slash 4×4 VXL

• Slash 4×4 Ultimate

• Slash 2WD

• Rustler 4×4 / 2WD

• Stampede 4×4 / 2WD

• Bigfoot 4×4 / 2WD

• Hoss 4×4

• Rally

• Fiesta Rally ST

• Telluride

• Ford Raptor (Slash Platform)

All trim levels are supported, including VXL, XL-5, BL-2S, Ultimate, and Platinum configurations.

Arrma Platforms

• Senton 3S / 4×4

• Typhon 3S

• Granite 3S

• Big Rock 3S

• Kraton 4S

• Outcast 4S

Available Color Options

This motor cooling fan is also available in multiple finishes to match your build:

• Blue motor cooling fan

• Black motor cooling fan

• Red motor cooling fan

Each option delivers the same cooling performance — only the finish changes.

What’s Included

• 1 × Cobra Racing 36mm RC motor cooling fan

• Integrated 7075-T6 aluminum heatsink (pre-installed)

• Stainless steel fan guard

• Ready-to-install assembly

Final Word

The Cobra Racing 36mm RC Motor Cooling Fan is a universal cooling upgrade designed to keep motor temperatures under control across a wide range of 1/10 and 1/8 scale RC vehicles. By combining active airflow with a properly engineered aluminum heatsink, it delivers reliable cooling, improved efficiency, and consistent performance — no matter how hard you drive.