Top 10 Best rc engine heat sinks in 2026

Last Updated - 6/24/2026

🏆Best Choice

YSIDO

YSIDO 36MM-S Alloy Heat Sink Heatsink with 5-8.4V High Speed Cooling Fan for 1/10 1/12 RC Car 540 550 Brushed Motor F540 3650 3660 Size Brushless Motor Truck Buggy Crawler (Black)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•▶【Diameter 36MM RC Motor Cooling Fan】High Speed fans with heatsink, designed for 1:10 scale rc car and the rc motor which diameter is 36mm, such as 540 F540 550 3650 3660 3665 brushless motor.
•▶【Prevent Motor From Overheating】 The speed can reach up to 26000 RPM, excellent heat dissipation effect to protect the motor and extend motor's service life.
•▶【Unique Design with Long Cable】 the fan is black body with Long Cable 20cm, suitable for various scenarios
•▶【Easy to Install】 This cooling fan can power up from the receiver spare port, easy to Install. Notice: The plug is not divided into positive and negative poles, and you don' worry the wrong connection will not work.
•▶【Exquisite Workmanship】 Made of high quality metal material, exquisite workmanship make this cooling fan is durable for long term use.

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$8.99

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Hobbypark

2-Pack HobbyPark Aluminum Electric Motor Heat Sink Cooling Fins for RS540 550 540 3650 Size RC Parts

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Works on:550/540 Size Electric Engine Motor,Compatible with most Traxxas, HPI, Tamiya, and Losi Electric Motors
•HIGH Quality Aluminum ,KEEPS Motors Cool! Make your electric motor run more efficiently by keeping it cooler!
•Pack of 2 ,Great Value
•Produced By HobbyPark ,Well made and durable,100% New

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$7.97

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Hobby Fans

Hobby Fans RC Motor Heat Sink with 5V Cooling Fan Fit 540 550 3650 F540 3660 3670 Size Brushless Motor Engine Heatsink for 1/10 RC Car Truck Buggy Crawler

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Easy to Install: Small size and lightweight, convenient for you to install and remove
•Prevent Motor From Overheating: Excellent heat dissipation effect to protect the motor and extend motor's service life
•Exquisite Workmanship: With high quality material and exquisite workmanship, this cooling fan is solid for long term use
•Wide Compatiblity: This motor heatsink is designed for RC model car 1/8, 1/10, 1/12 540 550 brushed motor and F540 3650 3660 3670 3674 brushless motor
•Easily Power Up: The cooling fan can power up from the receiver, very easy to use

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$9.99

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Vgoohobby

4 Pack Vgoohobby Aluminum Electric Engine Motor Heatsink Cooling Heat Sink Fins for 550 540 3650 Size Brushed Brushless Motors RC Car Truck,Blue

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Keeps motors cool! Make your electric motor run more efficiently by keeping it cooler!
•Compatible with most Traxxas, HPI, Tamiya, and Losi electric motors
•Suitable for all 540,550,stock and modified motors
•Hight quality aluminum ,easy to use,Height-28mm ,inner diameter-34.6,thickness-2mm， weight-21g
•Package include 4PCS 540 motor heatsink

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$9.99

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RCMYou

RCMYou RC Heat Sink 36mm 14000rpm Motor Fan w/4.8V-8.4V Cooling Fan fit 3660 3670 3650 550 540 Brushless Engine Motor Update Parts for 1/10 Slash Arrma SCX10 Trx4 RC Car Truck Buggy Crawler,Navy Blue

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•【Compatible With】: for 1/10 Slash Arrma SCX10 Trx4 RC Car Truck Buggy Crawler,RC Heat Sink 36mm 14000rpm Motor Fan with 4.8V-8.4V Cooling Fan fit 3660 3670 3650 550 540 Brushless Engine Motor Heatsink.
•【heat dissipation effect】 The speed can reach up to 14000 RPM, excellent heat dissipation effect to protect the motor and extend motor's service life.
•【high quality material】 Made of high quality Aluminum material, exquisite workmanship make this cooling fan is durable for long term use.
•【Easy to Assemble】: The upgrades part set is easy to replace original parts, highly increase the strength and precision.
•【Upgrades part】Excellent upgrades part, better experience the fun of RC car,making your RC car more exquisite and beautiful.

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$16.99

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Vgoohobby

Vgoohobby RC Car Motor Heatsink w/ 21000 RPM Cooling Fan Aluminum Engine Motor Heat Sink Radiator Fit 42mm 4274 4268 Motors Compatible with Axial SCX10 Tamiya Arrma 1/8 1/10 RC Buggy Cars (Black)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•The 42mm motor heatsink compatible with Traxxas 1/10 E-Maxx E-Revo Summit Arrma 1/8 Kraton Talion Typhon RC Car.also fit for other brand rc models with 42mm diameter motors.
•Checked if the motor diameter is 42mm/1.65inch,otherwise not fit. For example,it compatible with Tornado 1515/1512/4268 Hobbywing 4274 Leopard 4274/4282 Motors.
•Working Voltage: 5 - 8.4V ; Can be powered up by the receiver or esc.The fans speed can reach up to 21000 RPM, excellent heat dissipation effect to protect the motor
•Keep your temperatures in check and your motor running efficient and cool with our heatsink and cooling fan combos.also the heat sink has the RGB led light that unique design.
•Cooling Fan Connector Type:JST Male Plug;Cable length: Approx. 280mm/11";Main Color:Red/Blue/Black(Optional);

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$19.99

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Hobbypark

HobbyPark Aluminum Heat Sink with 5V Cooling Fan fit 540 550 3650 Size Brushless Engine Motor Heatsink for 1/10 RC Car Truck Buggy Crawler (Orange)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•✔Check Size before Buying. Compatible with:540 550 3650 Size Brushed / Brushless Electric Engine Motor
•✔Powered by DC voltage:5V-6V, Just connect receiver spare port to get power
•✔Made of High Quality Aluminum Alloy,with Cooling Fan, protect your motor from overheat
•✔Package Include:1 Piece

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$11.97

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Vgoohobby

Vgoohobby Universal 42mm Aluminum Heat Sink Heatsink with 5V Cooling Fan for 1/8 RC Car 4068 4076 4274 7282 1515 Brushless Engine Motor (Red)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Compatible with 1/8 RC car 4068 4076 4274 7282 1515 brushless engine motor,Universal 42mm /40mm motor heatsink.
•Cooling Fan Working Voltage:5V; Can be powered up by the receiver or esc.
•Connector type:JST Male Plug;Color:Red/Blue(Optional);
•Keep your temperatures in check and your motor running efficient and cool with our heatsink and cooling fan combos.
•Easy to install, great replacement parts for your old or broken one.

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$12.49

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RCHUBAM

RC-Hub Simulate FST V8 Engine Fans Radiator Kit Motor Cooling with Heatsink Cover for 1/10 TRX TRX4 RC Crawler Car(Yellow)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Made of high quality metal and plastic material.
•Increase detail and simulation.
•Easy and convenient to install, enjoy the fun to assemble
•Suitable for 1/10 TRX-4 TRX4 RC Crawler Car.
•Package:1x RC V8 Engine Cover

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$33.99

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Hobbypark

Super Brushless Motor Heatsink with Cooling Fan RS540 550 540 Size 5-6V Electric Engine Heat Sink for Remote Control RC Car Truck Buggy Crawler

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Compatible with:550/540 Size Electric Engine Motor
•Powered by DC voltage:5V-6V
•Produced By HobbyPark ,Well made and durable,100% New

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$11.49

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