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Your cart is empty.This aluminum motor heatsink keeps your motor running cool when the action heats up.FeaturesPrecisely manufactured for an excellent fit – Black anodized finish with etched ARRMA logo for cool looks – Constructed from high-quality light-weight aluminum – Multi-fin design increases surface area for efficient heat transfer – Flat area allows the mounting of aftermarket fans for additional cooling - Specifically designed for the ARRMA 4X4Includes1 x Motor Heatsink
Rafael
Reviewed in the United States on September 5, 2024
Garbage description because it's a garbage company. The radiator is too small for 40mm. It's 36
D .B.
Reviewed in Germany on July 12, 2024
Hierbei handelt es sich um die bereits überarbeitete Version des original Arrma Kühlkörper. Diese ist deutlich wertiger und massiver vom Material. Kann es bedenkenlos als Ersatz oder auch Upgrade empfehlen!
Stephen G Struble
Reviewed in the United States on August 30, 2023
Really gets the heat out FAST. Must prolong motor life I'd have to venture.As others have noted for other motors, you'll need to notch out areasfor the wires and the three little case nuts. Dremel will take 20", angle grinder5".
carlos
Reviewed in the United States on August 27, 2023
I bought this for the 3300 KV but it’s too big I had to do some modifications it’s only too long by like a 1/4 inch I just sanded down both sides of the heat sink just before it got to the a on Arrma it fit perfectly If you had a tablesaw you could cut it off really quickly I didn’t have a sauce so I just hand sanded it down took a couple hours but it was well worth. It looks amazing and works really well. Motor doesn’t get too hot after bashing anymore.
Doug Sholly
Reviewed in the United States on March 28, 2023
Another reviewer discovered that this heatsink will not fit on a Spektrum brushless motor. It's the correct diameter but too long. However, with some gumption (and a Dremel tool), you can make it fit. A little permanent marker on the cut areas and you can't tell it isn't stock. You have to notch for the wiring harness and also the 3 screws that hold the back on the motor.
Dakota G.
Reviewed in the United States on February 1, 2023
Keeps my motor from getting too hot in my arrma infraction mega on 3s. Easy install. 10/10 recommend
kelli frey
Reviewed in the United States on October 26, 2023
These work very well, u can fit little fans, or even 2 screws of the big 40mm fans and really keep your motor cool. If they wern't a bit pricey, I would run these in all my cars where it would fit. Make sure you can fit it tho they are kinda big. This is the 36mm one for 1/10th scale, they also make a bigger one I'm pretty sure for the 1/8 motors but different part number, they look similar so make sure you get the correct one.
dan w.
Reviewed in Canada on April 5, 2022
This heat sink fit my 3660mm Arrma senton rc car motor
Rc Daddy
Reviewed in the United States on May 17, 2021
Nice clean fit,, everything fits clean like factory fit,, plugged fan in open channel/aux works great,, cooler motor, means more power, motor more efficient.
isaias
Reviewed in the United States on April 17, 2020
used it on my 3670 3000 kv motor and it helped a lot with thermals. so aslong as you're motor can is longer than 60mm and 36mm diameter you can use this on you're motor
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