Enhance the cooling performance of your RC car motors with this premium Heat Sink Cooler, crafted from durable aluminum alloy and quality plastic materials. Designed specifically for 1:10 scale RC cars, this cooling fan replacement is compatible with a variety of motors, including Brush 540/550 and Brushless 3650, 3660, 3664, and 3670 models with a 36mm outer diameter. Featuring an efficient large ball fan and a stainless steel protective mesh cover, this heat sink cooler provides superior heat dissipation and reliable motor protection. Key Features: · Durable Construction: Made from a combination of aluminum alloy and plastic, offering excellent heat conduction and high durability for long-lasting use. · Effective Fan Cooling: Equipped with a large 4 x 4 x 1 cm (1.6 x 1.6 x 0.4 in) ball fan that delivers powerful airflow for maximum heat dissipation, keeping your motor cool during intense operation. · Stainless Steel Protective Mesh: The fan is covered with a stainless steel mesh that safeguards internal components from debris while maintaining optimal air circulation. · Wide Compatibility: Suitable for motors with a 36mm outer diameter, including Brush 540/550 and Brushless motors 3650, 3660, 3664, and 3670, making it a versatile cooling solution for various RC car models. · Extended Lifespan: This fan’s life expectancy is over three times longer than ordinary fans, ensuring durable and reliable performance over extended use. · Multiple Color Options: Choose from six vibrant colors—Black, Blue, Red, Purple, Gold, and Silver—to customize your RC car’s cooling system according to your style preferences. Specifications: · Material: Aluminum Alloy, Plastic · Item Type: Heat Sink Cooler · Fan Size: Approx. 4 x 4 x 1 cm (1.6 x 1.6 x 0.4 inches) · Compatible Motors: Brush 540/550, Brushless 3650/3660/3664/3670 (36mm outer diameter) · Protective Cover: Stainless steel mesh · Color Options: Black, Blue, Red, Purple, Gold, Silver Package Includes: · 1 x Heat Sink Cooler Fan Upgrade your RC car motor cooling system with this high-quality Heat Sink Cooler, designed to provide effective heat management, enhance motor performance, and prolong motor lifespan. Its robust construction, advanced cooling capabilities, and customizable colors make it an essential accessory for RC enthusiasts seeking reliable and efficient motor cooling solutions.