ARRAROWN dual 30mm RC motor cooling fans with heatsink for 40mm motors
ARRAROWN carbon covers for RC motor cooling fans
ARRAROWN 40mm motor heatsink for brushless RC motors
ARRAROWN extension cable for RC fan installation
ARRAROWN 1/8-scale RC car cooling system with twin fans
ARRAROWN metal body with silver heatsink for RC fan
ARRAROWN contents: dual fans, carbon covers, heatsink, extension cable

ARRAROWN

ARRAROWN Hobby Twin RC Car Motor Cooling Fans with Metal Cover Heatsink – 40mm/42mm for 1/8–1/7 Brushless Motors

High-performance toys made for confident daily results

$33.13

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Why customers choose ToyTerrax Toys and Games

Upgrade your RC builds with ARRAROWN's Hobby Twin RC Car Motor Cooling Fans. Crafted for 1/8 and 1/7 scale models, these compact dual fans work with 40mm and 42mm brushless motors, including popular 4068, 4076, 4082, and 4092 variants. A robust metal heatsink and carbon fiber covers add durability while delivering a refined, race-ready look for rugged hobby setups.

Smart cooling that fits your layout

These lightweight fans are designed for quick installation and easy removal, making them ideal for frequent tweaks or upgrades. Running on 8.4V with a max current of 1.5A, the unit is built to move air efficiently without stressing your receiver. The top-end speed can reach up to 27,000 RPM, delivering strong airflow through the 40mm motor diameter and its heatsink-based cooling path. While we don’t promise guaranteed results, you may notice steadier temps during long sessions and demanding runs.

  • Small, lightweight form factor supports fast installation and removal
  • Metal heatsink plus carbon covers deliver durable protection
  • Power can be drawn from the receiver, keeping wiring neat and simple
  • Designed for 1/8-scale RC cars and 4068/4076/4082/4092 brushless motors

The kit pairs two 30mm fans with a 40mm motor heatsink, plus an extension cable for flexible routing. In the box you’ll find two carbon fan covers, two fans, one heatsink, and an ~18 cm extension lead, all chosen to fit tighter chassis layouts commonly found in hobby-grade builds. The 46mm × 38mm heatsink adds surface area to aid heat dissipation during extended drives or steep climbs.

Practical setup tips: mount the fans to optimize airflow across the motor can, route the extension cable where it won’t snag moving parts, and verify polarity before powering up. While the design aims for straightforward use, slight color or measurement variations may occur due to manufacturing tolerances.

FAQ

Q: What motors and scales is this cooling kit compatible with?

A: Designed for 1/8 and 1/7 scale RC cars and 40mm brushless motors such as 4068, 4076, 4082, and 4092.

Q: How is power supplied and how should I wire it?

A: Power from the receiver is supported; use the included extension cable for easier routing. Verify polarity before powering up to avoid issues.

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