{"product_id":"aluminum-heat-sink-with-thermal-controlled-40mm-cooling-fan-for-42mm-brushless-motors-compatible-with-4268-4274-traxxas-arrma-1-8-1-10-scale-rc-cars-silver-color-silver","title":"Aluminum Heat Sink with Thermal-Controlled 40mm Cooling Fan for 42mm Brushless Motors – Compatible with 4268 4274 Traxxas Arrma 1\/8 \u0026 1\/10 Scale RC Cars (Silver) - color: Silver","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered specifically for 42mm diameter brushless motors—including the widely used 4268 and 4274 models—this silver aluminum heat sink delivers precision thermal management for high-performance 1\/8 and 1\/10 scale RC vehicles from Traxxas, Arrma, and other top brands.\u003c\/li\u003e\n\u003cli\u003eEquipped with a smart thermal sensor and a whisper-quiet 40mm fan, it activates cooling only when motor temperature reaches 45°C (113°F), maximizing battery efficiency while preventing overheating during aggressive driving or extended runs.\u003c\/li\u003e\n\u003cli\u003eThe fan draws power directly from your receiver, eliminating the need for extra wiring, external controllers, or ESC taps—making installation clean, plug-and-play, and ideal for both garage builders and competition racers.\u003c\/li\u003e\n\u003cli\u003eMachined from high-conductivity aluminum with a secure clamp design, it ensures full surface contact with the motor can for rapid heat transfer, reducing operating temperatures and significantly extending motor and ESC lifespan.\u003c\/li\u003e\n\u003cli\u003eWhether you’re racing on asphalt, bashing through mud, or tackling steep climbs in summer heat, this intelligent cooling system keeps your powertrain running cooler and longer—so you spend less time waiting and more time driving.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e AllinRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Method:\u003c\/strong\u003e Air\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Devices:\u003c\/strong\u003e Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum, Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e AllinRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 1 Count\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AllinRC","offers":[{"title":"Default Title","offer_id":52158538121504,"sku":"B09KY887CM-color-silver","price":23.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/7682\/9472\/files\/41y_5oJqWhL.jpg?v=1786081143","url":"https:\/\/tinyracer.com\/products\/aluminum-heat-sink-with-thermal-controlled-40mm-cooling-fan-for-42mm-brushless-motors-compatible-with-4268-4274-traxxas-arrma-1-8-1-10-scale-rc-cars-silver-color-silver","provider":"TinyRacer","version":"1.0","type":"link"}