---
product_id: 350599391
title: "Castrol Radi Cool Premix Summer Coolant and Antifreeze (4L)"
brand: "castrol"
price: "3250251₫"
currency: VND
in_stock: true
reviews_count: 1
category: "Castrol"
url: https://www.desertcart.vn/products/350599391-castrol-radi-cool-premix-summer-coolant-and-antifreeze-4l
store_origin: VN
region: Vietnam
---

# Compatible with aluminum & cast-iron engines Freeze protection to -36°C Superior corrosion defense Castrol Radi Cool Premix Summer Coolant and Antifreeze (4L)

**Brand:** castrol
**Price:** 3250251₫
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Castrol Radi Cool Premix Summer Coolant and Antifreeze (4L) by castrol
- **How much does it cost?** 3250251₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/350599391-castrol-radi-cool-premix-summer-coolant-and-antifreeze-4l)

## 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

- • **Easy Maintenance:** Replace annually to maintain peak engine protection and longevity
- • **Advanced Compatibility:** Formulated without nitrites, amines, or phosphates to protect modern performance engines
- • **Trusted Premium Quality:** Castrol’s proven formula ensures reliable performance in petrol and diesel engines
- • **Year-Round Engine Shield:** Optimized 50% dilution guards against freeze and corrosion for all seasons
- • **Enhanced Cooling Efficiency:** Prevents boiling and cavitation corrosion for stable engine temps

## Overview

Castrol Radi Cool Premix Summer Coolant and Antifreeze (4L) is a premium, pre-mixed engine coolant designed for both petrol and diesel vehicles with aluminum or cast-iron engines. It offers freeze protection down to -36°C at 50% dilution, superior corrosion resistance without harmful additives, and efficient cooling performance to maintain stable engine temperatures year-round. Ideal for professionals who demand reliability and longevity from their vehicle maintenance.

## Description

Castrol Radicool Summer coolant and antifreeze. Castrol Radicool is a concentrated engine coolant for use in both petrol and diesel engines with aluminum or cast-iron engines. This coolant can be mixed using 33% concentration with purified water to give frost protection to -18 deg C, however it is recommended to use a 50% dilution to provide optimum corrosion protection and freeze protection down to -36 deg C. At these concentrations this coolant will provides year-round protection. To maintain optimum performance this product should be replaced after 1 year. ApplicationCastrol Radicool is a mixture of monoethylene glycol and selected chemical agents. It contains no nitrites, amines or phosphates. Because it contains no phosphate, the problems of deposits in some modern performance engines are reduced. Castrol Radicool provides: protection against hard water effective engine cooling without boiling; protection against corrosion of the alloys used in the cooling system of modern vehicles; compatibility with conventional seal and hose materials used in engine cooling systems; protection against cavitation corrosion; efficient lubrication of water pumps contains bittering agentIn most cases, coolants are not compatible and should not be mixed with other coolants unless directed by the equipment manufacturer. If using Castrol Radicool for the first time, ensure that the cooling system has been adequately flushed with clean water before use. Product Performance ClaimsASTM D3306BS 6580: 2010JIS K2234.

Review: Great Quality Coolant. - Very good quality coolant. Using it in my car for a year now and temps have been more stable. Definitely recommend it.

## Features

- Brand: Castrol
- Quantity: 4L
- Premium Quality
- Premix Summer Coolant and Antifreeze

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09C4NDPNR |
| Best Sellers Rank | #110,424 in Automotive ( See Top 100 in Automotive ) #166 in Antifreezes & Coolants |
| Brand | Castrol |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Date First Available | 8 August 2021 |
| Manufacturer | Castrol |
| Manufacturer Part Number | 22-728044-IFG |
| Manufacturer reference | 22-728044-IFG |

## Images

![Castrol Radi Cool Premix Summer Coolant and Antifreeze (4L) - Image 1](https://m.media-amazon.com/images/I/71Ki-7DD9yL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Quality Coolant.
*by M***. on 25 March 2025*

Very good quality coolant. Using it in my car for a year now and temps have been more stable. Definitely recommend it.

## Frequently Bought Together

- Castrol Radi Cool Premix Summer Coolant and Antifreeze (4L)
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**Shop now:** [https://www.desertcart.vn/products/350599391-castrol-radi-cool-premix-summer-coolant-and-antifreeze-4l](https://www.desertcart.vn/products/350599391-castrol-radi-cool-premix-summer-coolant-and-antifreeze-4l)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-28*