---
product_id: 445569409
title: "Castrol RADICOOL Heavy Duty"
price: "£62.50"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/445569409-castrol-radicool-heavy-duty
store_origin: GB
region: United Kingdom
---

# Eco-friendly glycol base Freezes down to -37°C Superior corrosion protection Castrol RADICOOL Heavy Duty

**Price:** £62.50
**Availability:** ✅ In Stock

## Summary

> 🛠️ Stay Cool, Drive Smart – Engine Protection That Works as Hard as You Do!

## Quick Answers

- **What is this?** Castrol RADICOOL Heavy Duty
- **How much does it cost?** £62.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/445569409-castrol-radicool-heavy-duty)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Corrosion Shield:** Advanced formula guards your engine against rust and wear.
- • **Hard Water Ready:** Stable performance even with hard water, no compromise on protection.
- • **Eco-Conscious Coolant:** Environmentally friendly formula for the responsible driver.
- • **Freeze-Proof Confidence:** Keeps your engine safe down to -37°C, no winter worries.
- • **Optimized Heat Transfer:** Full ethylene glycol base ensures peak cooling efficiency.

## Overview

Castrol RADICOOL Heavy Duty is a premium coolant engineered with a full ethylene glycol base for enhanced heat transfer, corrosion resistance, and freeze protection down to -37°C. Certified to JIS K 2234 Class 2, ASTM D3306, and BS 6580:2010 standards, it ensures reliable engine performance under extreme conditions while being environmentally responsible.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09P8H8QK2 |
| Assembly Required | No |
| Best Sellers Rank | #2,338 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #23 in Engine Oils for Cars |
| Brand | Castrol |
| Colour | Green |
| Country of Origin | India |
| Customer Reviews | 4.6 4.6 out of 5 stars (221) |
| 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/710Ax7xc59L.jpg)
![Castrol RADICOOL Heavy Duty - Image 2](https://m.media-amazon.com/images/I/71V40ZuUFWL.jpg)
![Castrol RADICOOL Heavy Duty - Image 3](https://m.media-amazon.com/images/I/71l5a9ZeFzL.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

## 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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**Shop now:** [https://www.desertcart.co.uk/products/445569409-castrol-radicool-heavy-duty](https://www.desertcart.co.uk/products/445569409-castrol-radicool-heavy-duty)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-23*