---
product_id: 445569409
title: "Castrol RADICOOL Heavy Duty"
brand: "castrol"
price: "€ 66.45"
currency: EUR
in_stock: true
reviews_count: 8
category: "Castrol"
url: https://www.desertcart.pt/products/445569409-castrol-radicool-heavy-duty
store_origin: PT
region: Portugal
---

# Superior heat transfer Freezing protection to -37°C Advanced corrosion defense Castrol RADICOOL Heavy Duty

**Brand:** castrol
**Price:** € 66.45
**Availability:** ✅ In Stock

## Summary

> ❄️🔥 Keep your engine cool, protected, and ahead of the pack!

## Quick Answers

- **What is this?** Castrol RADICOOL Heavy Duty by castrol
- **How much does it cost?** € 66.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/445569409-castrol-radicool-heavy-duty)

## Best For

- castrol enthusiasts

## Why This Product

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

## Key Features

- • **Hard Water Hero:** Enhanced stability against hard water ensures consistent, reliable cooling.
- • **Eco-Smart Formula:** Stay green with an environment-friendly coolant that doesn’t compromise performance.
- • **Engine's Best Ally:** Maximize engine lifespan with cutting-edge heat and corrosion protection.
- • **Freeze-Proof Confidence:** Operate worry-free in extreme cold with freeze protection down to -37°C.
- • **Trusted Industry Standard:** Meets JIS K 2234 Class 2, ASTM D3306, and BS 6580:2010 certifications for guaranteed quality.

## Overview

Castrol RADICOOL Heavy Duty is a premium ethylene glycol-based coolant engineered for superior heat transfer, corrosion resistance, and freeze protection down to -37°C. Designed to withstand hard water conditions and certified by leading industry standards, it ensures your engine runs cooler and longer while being environmentally responsible.

## Description

Castrol RADICOOL Heavy Duty Coolant provides maximum protection for your engine against overheating, freezing and corrosion under wide operating temperature range, thereby preventing premature engine failure.

Review: Hero Engine Cooler - Best product & you can use it without water is best.
Review: High Performance Coolant - Great Performance !!!

## Features

- Improved heat transfer ability due to full ethylene glycol base
- Improved hard water stability
- Optimum corrosion protection and freezing protection up to -37 degree celsius
- Environment friendly
- Specification: JIS K 2234 Class 2, ASTM D3306, BS 6580:2010

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09P8H8QK2 |
| Assembly Required | No |
| Best Sellers Rank | #4,200 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #38 in Engine Oils for Cars |
| Brand | Castrol |
| Colour | Green |
| Country of Origin | India |
| Customer Reviews | 4.6 4.6 out of 5 stars (215) |
| Date First Available | 27 December 2021 |
| Generic Name | Coolant |
| Importer | Castrol India Limited, Technopolis Knowledge Park, Mahakali Caves Road, Chakala, Andheri East, Mumbai - 400093 |
| Item Dimensions LxWxH | 18.8 x 12.6 x 22.3 Centimeters |
| Item Weight | 172 g |
| Item model number | 3424589 |
| Manufacturer | Castrol India Limited |
| Manufacturer Part Number | 3424589 |
| Model | Castrol RADICOOL Heavy Duty |
| Net Quantity | 12000 Milliliters |
| Packer | As per the first character of batch no. packed by A)B)C) Castrol India Ltd.,Mumbai -93; D) Ishan Resins & Paints Ltd. Gate No. 1, Jalan Industrial Complex, Banjara, Begri, Howrah-711411, West Bengal; E) West Coast Lubricants & Asphalt Pvt. Ltd., 139, J.C.I.E, Kamothe, Panvel - 410209 (MH). Contact: customercare.india@castrol.com; 1800222102 |
| Product Dimensions | 18.8 x 12.6 x 22.3 cm; 172 g |
| Special Features | Environment friendly |

## Images

![Castrol RADICOOL Heavy Duty - Image 1](https://m.media-amazon.com/images/I/41CqJ4OExDL.jpg)
![Castrol RADICOOL Heavy Duty - Image 2](https://m.media-amazon.com/images/I/41KNe-2pt4L.jpg)
![Castrol RADICOOL Heavy Duty - Image 3](https://m.media-amazon.com/images/I/41VEpwK-02L.jpg)
![Castrol RADICOOL Heavy Duty - Image 4](https://m.media-amazon.com/images/I/710Ax7xc59L.jpg)
![Castrol RADICOOL Heavy Duty - Image 5](https://m.media-amazon.com/images/I/71V40ZuUFWL.jpg)

## Questions & Answers

**Q: Can this be used for BMW cars 5 series. Is there any dilution ratio preffered for munbai region.**
A: Yes, the ratio would be like 70%water - 30% coolant

**Q: Is it suitable for diesel car...?**
A: Yes

**Q: What is the color?**
A: Green

**Q: Can we just use only collant without mixing water in it ?**
A: No whater only for coolan

## Customer Reviews

### ⭐⭐⭐⭐⭐ Hero Engine Cooler
*by M***A on 22 December 2025*

Best product & you can use it without water is best.

### ⭐⭐⭐⭐⭐ High Performance Coolant
*by M***A on 19 November 2025*

Great Performance !!!

### ⭐⭐⭐⭐ Good 👍
*by S***L on 10 October 2025*

Good 👍

## Frequently Bought Together

- Castrol RADICOOL Heavy Duty
- Castrol Engine Shampoo Pre Oil Change Treatment (Flushing Oil) for Petrol 300 ml, CNG and Diesel Cars (3418104)
- Castrol RADICOOL Heavy Duty

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-01-26*