--- product_id: 445569409 title: "Castrol RADICOOL Heavy Duty" price: "₹ 2115" currency: INR in_stock: true reviews_count: 8 url: https://www.desertcart.in/products/445569409-castrol-radicool-heavy-duty store_origin: IN region: India --- # Max heat transfer efficiency Freezing protection to -37°C Superior corrosion resistance Castrol RADICOOL Heavy Duty **Price:** ₹ 2115 **Availability:** ✅ In Stock ## Summary > ❄️🔥 Keep your engine cool, protected, and ahead of the pack! ## Quick Answers - **What is this?** Castrol RADICOOL Heavy Duty - **How much does it cost?** ₹ 2115 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/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 - • **Hard Water Stability:** Formulated to resist hard water effects, maintaining peak performance without compromise. - • **Eco-Conscious Formula:** Environmentally friendly coolant that balances high performance with sustainability. - • **All-Weather Reliability:** Freeze-proof down to -37°C, so your vehicle performs flawlessly in the harshest winters. - • **Corrosion Defense Shield:** Advanced formula protects vital engine components from rust and corrosion, extending engine life. - • **Engine-Optimized Cooling:** Full ethylene glycol base ensures rapid heat dissipation to keep your engine running cooler and longer. ## Overview Castrol RADICOOL Heavy Duty is a premium coolant engineered with a full ethylene glycol base for superior heat transfer, corrosion protection, and freeze resistance down to -37°C. It offers enhanced stability against hard water and meets rigorous international standards (JIS K 2234 Class 2, ASTM D3306, BS 6580:2010), making it the trusted choice for professionals seeking reliable, eco-friendly engine cooling solutions. ## 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: Best - Best product old model car Review: car best coolant - Castrol is best use this product only when u love your car and want best and safe 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 | #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 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best *by N***I on 8 March 2026* Best product old model car ### ⭐⭐⭐⭐⭐ car best coolant *by A***N on 2 December 2025* Castrol is best use this product only when u love your car and want best and safe 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/445569409-castrol-radicool-heavy-duty](https://www.desertcart.in/products/445569409-castrol-radicool-heavy-duty) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-05-10*