ARRAROWN 2 Pack 35mm RC Motor Cooling Fans — 21000RPM, 8.4V, Aluminum Heatsink for 1/8–1/10 Scale Brushless Motors

Overview

Meet ARRAROWN s 2 pack of 35mm RC motor cooling fans, crafted for brushless motors in popular 1/8 and 1/10 scale RC cars. The compact aluminum heatsink and lightweight frame slide into tight spots, delivering effective cooling during demanding runs. Powered from the receiver at 5 to 8.4 volts, each fan can reach impressive speeds to help manage motor temperatures. The two pack gives you flexibility for a single high-performance setup or cooling for multiple components, making it a practical upgrade for serious RC enthusiasts.

Key benefits

• Small, lightweight design suitable for quick installation and removal
• Excellent heat dissipation to help prevent motor overheating
• Durable construction with aluminum alloy heatsink and quality plastics for long term use
• Easy power from the receiver with a reverse polarity protected plug for safety
• Compatible with 1/8 and 1/10 scale models and motors in the 3650 to 3674 family

What s included and specs at a glance

• 2 x 35mm RC motor cooling fans for 3650 motors
• 8 x mounting screws for a secure fit
• Color option: silver and black finish
• Input voltage: 5–8.4V; current around 0.7A; rpm up to 21,000 noted, with a spec listing up to 28,000 RPM

Installation and compatibility tips

Designed to work with brackets that have Φ3mm mounting holes for straightforward mounting. The plug is reverse polarity protected, so you can connect with confidence. Expect slight color and measurement variations due to manufacturing processes, and allow for minor dimensional tolerances.

Real world use

In busy race sessions, hill climbs, or long runs, these fans can help maintain steady motor temperatures and sustain performance. Their compact footprint and lightweight build are well suited to tight chassis layouts, while the robust materials support repeated use across many sessions.

Notes

Form and finish combine to deliver a clean, purposeful look on the chassis. Always ensure correct electrical connections and secure mounting to maximize cooling efficiency.