---
product_id: 73153584
title: "4 Pcs Aluminum Engine Motor Heatsink Fins, RC 540 550 Car Accessories, Blue"
brand: "yqboom"
price: "¥2945"
currency: JPY
in_stock: true
category: "Yqboom"
url: https://www.desertcart.jp/products/73153584-4-pcs-aluminum-engine-motor-heatsink-fins-rc-540-550
store_origin: JP
region: Japan
---

# Precise dimensions: 28mm height, 34.6mm inner diameter, 2mm thickness Fits 540/550 size electric motors (Traxxas, HPI, Tamiya, Losi) Aluminum fins for superior heat dissipation 4 Pcs Aluminum Engine Motor Heatsink Fins, RC 540 550 Car Accessories, Blue

**Brand:** yqboom
**Price:** ¥2945
**Availability:** ✅ In Stock

## Summary

> ❄️ Keep your RC motor chill and your competition hotter!

## Quick Answers

- **What is this?** 4 Pcs Aluminum Engine Motor Heatsink Fins, RC 540 550 Car Accessories, Blue by yqboom
- **How much does it cost?** ¥2945 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/73153584-4-pcs-aluminum-engine-motor-heatsink-fins-rc-540-550)

## Best For

- yqboom enthusiasts

## Why This Product

- Trusted yqboom brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek Blue Finish:** Stand out on the track with vibrant blue cooling fins that combine style with performance.
- • **Value-Packed Quad Set:** Four heatsink fins included—perfect for multiple motors or spares, delivering unbeatable value.
- • **Stay Cool Under Pressure:** High-quality aluminum construction ensures your motor runs cooler and lasts longer.
- • **Universal Fit for Top Brands:** Compatible with most 540/550 size motors from Traxxas, HPI, Tamiya, and Losi—upgrade without hassle.
- • **Precision Engineered Dimensions:** 28mm height and 34.6mm inner diameter for a snug, secure fit that maximizes cooling efficiency.

## Overview

This 4-pack of blue aluminum heatsink fins is designed for 540/550 size electric motors, compatible with leading RC brands like Traxxas, HPI, Tamiya, and Losi. Crafted from high-quality aluminum, each fin measures 28mm in height with a 34.6mm inner diameter and 2mm thickness, ensuring optimal heat dissipation to boost motor efficiency and longevity. Lightweight and easy to mount, these heatsinks are a must-have upgrade for serious RC enthusiasts aiming to enhance performance and style.

## Description

desertcart.com: 4 Pcs Aluminum Engine Motor Heatsink Fins, RC 540 550 Car Accessories, Blue | Electric motor heatsinks, for RC 540 and 550 size, brushed brushless motors, Blue cooling fins, RC Car Accessories : Toys & Games

## Features

- Works on:550/540 Size Electric Engine Motor,fit most Traxxas, HPI, Tamiya, and Losi Electric Motors
- HIGH Quality Aluminum ,Keep Motors Cool! Make your electric motor run more efficiently by keeping it cooler!
- Height:28mm ,inner diameter:34.6mm,thickness:2mm weight-21g ,Pack of 4 ,Great Value
- Produced By YQBOOM ,Well made, New

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07FLHT52V |
| Best Sellers Rank | #346,611 in Toys & Games ( See Top 100 in Toys & Games ) #85 in RC Electric Motor Heat Sinks |
| Brand Name | YQBOOM |
| Cooler Heatsink Compatibility | 550/540 Size Electric Engine Motor (Traxxas, HPI, Tamiya, Losi) |
| Cooler Heatsink Material | Aluminum |
| Customer Reviews | 4.3 4.3 out of 5 stars (171) |
| Item Dimensions L x W x H | 1.1"L x 1.36"W x 1.1"H |
| Item Highlight | Electric motor heatsinks, for RC 540 and 550 size, brushed brushless motors, Blue cooling fins, RC Car Accessories |
| Item Weight | 2.88 ounces |
| Manufacturer | JMAF |
| Model | JM9924 |
| Mounting Type | Chassis Mount |
| Number of Items | 4 |
| Number of Packs | 4 |
| Part Number | JM9924 |
| UPC | 785197257672 |
| Unit Count | 4 Count |

## Product Details

- **Brand:** YQBOOM
- **Cooler Heatsink Compatibility:** 550/540 Size Electric Engine Motor (Traxxas, HPI, Tamiya, Losi)
- **Cooler Heatsink Material:** Aluminum
- **Item Weight:** 2.88 ounces
- **Product Dimensions:** 1.1"L x 1.36"W x 1.1"H

## Images

![4 Pcs Aluminum Engine Motor Heatsink Fins, RC 540 550 Car Accessories, Blue - Image 1](https://m.media-amazon.com/images/I/21LAlMnz3bL.jpg)

## Available Options

This product comes in different **Style** options.

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**Shop now:** [https://www.desertcart.jp/products/73153584-4-pcs-aluminum-engine-motor-heatsink-fins-rc-540-550](https://www.desertcart.jp/products/73153584-4-pcs-aluminum-engine-motor-heatsink-fins-rc-540-550)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-08*