---
product_id: 388215241
title: "ARRMA Motor Heatsink 4074, ARA390299"
brand: "arrma"
price: "€ 63.50"
currency: EUR
in_stock: true
reviews_count: 5
category: "Arrma"
url: https://www.desertcart.hr/products/388215241-arrma-motor-heatsink-4074-ara390299
store_origin: HR
region: Croatia
---

# ARRMA Motor Heatsink 4074, ARA390299

**Brand:** arrma
**Price:** € 63.50
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** ARRMA Motor Heatsink 4074, ARA390299 by arrma
- **How much does it cost?** € 63.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/388215241-arrma-motor-heatsink-4074-ara390299)

## Best For

- arrma enthusiasts

## Why This Product

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

## Description

This aluminum Motor Heatsink keeps your motor running cool when the action heats up.FeaturesPrecision manufactured for a perfect 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 mounting of 35mm fans - Included heatsink clip - Suited to 40mm diameter motorsIncludes1 x Motor Heatsink - 40mm Diameter Motor1 x Motor Heatsink ClipRequires#ARA390300

Review: Muy eficiente - Excelente producto, es increíble lo rapido que enfria el motor, obviamente se agrega un ventilador 35mm, pero el que cubra casi el 100% del motor lo enfria super rapido. Desmontas motor lo colocas y listo.
Review: Looks good - This heat sink fits perfectly and looks good also. Should do the job

## Features

- Engine Heatsink 4074
- Brand Name: ARRMA
- Manufacturer: Horizon Hobby
- Material: metal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08HQR4XC5 |
| Brand | ARRMA |
| Brand Name | ARRMA |
| Cooler Heatsink Compatibility | Suitable for engines with 40mm diameter |
| Cooler Heatsink Material | Aluminum |
| Cooler heat-sink compatibility | Suitable for engines with 40mm diameter |
| Cooler heat-sink material | Aluminum |
| Customer Reviews | 4.6 out of 5 stars 151 Reviews |
| Included Components | Motor Heatsink 4074 |
| Item Type Name | Electric Motors & Accessories |
| Manufacturer | ARRMA |
| Model | ARA390299 |
| Mounting Type | Chassis Mount |
| Mounting type | Chassis Mount |
| Part Number | ARA390299 |
| Unit Count | 1 Count |
| Unit count | 1 Count |

## Images

![ARRMA Motor Heatsink 4074, ARA390299 - Image 1](https://m.media-amazon.com/images/I/61FJzyz3DfL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Muy eficiente
*by C***S on 1 September 2025*

Excelente producto, es increíble lo rapido que enfria el motor, obviamente se agrega un ventilador 35mm, pero el que cubra casi el 100% del motor lo enfria super rapido. Desmontas motor lo colocas y listo.

### ⭐⭐⭐⭐⭐ Looks good
*by J***S on 6 February 2024*

This heat sink fits perfectly and looks good also. Should do the job

### ⭐⭐⭐⭐⭐ Good heatsink
*by D***A on 23 May 2025*

Very tight mount, somewhat difficult to put the bracket but does the job.

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**Shop now:** [https://www.desertcart.hr/products/388215241-arrma-motor-heatsink-4074-ara390299](https://www.desertcart.hr/products/388215241-arrma-motor-heatsink-4074-ara390299)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-06-21*