--- product_id: 2504545 title: "Zerex G05 Antifreeze Coolant Concentrate 1 Gallon" price: "R3221" currency: ZAR in_stock: true reviews_count: 13 url: https://www.desertcart.co.za/products/2504545-zerex-g05-antifreeze-coolant-concentrate-1-gallon store_origin: ZA region: South Africa --- # Boil-over resistance up to 270°F Freeze protection down to -84°F 5-year/150,000 mile engine protection guarantee Zerex G05 Antifreeze Coolant Concentrate 1 Gallon **Price:** R3221 **Availability:** ✅ In Stock ## Summary > 🛠️ Keep your engine cool, protected, and unstoppable with Zerex G05! ## Quick Answers - **What is this?** Zerex G05 Antifreeze Coolant Concentrate 1 Gallon - **How much does it cost?** R3221 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/2504545-zerex-g05-antifreeze-coolant-concentrate-1-gallon) ## 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 - • **Mix It Your Way for Precision:** Customizable concentrate ratios for tailored freeze protection, ensuring peak performance wherever you drive. - • **Hybrid Organic Acid Technology:** Advanced formula fights rust, scale, and corrosion across all cooling system metals, including aluminum. - • **Leak-Safe & Component Friendly:** High-quality additives protect gaskets, hoses, plastics, and your vehicle’s original finish—no compromises. - • **Ultimate Freeze & Boil Defense:** Engineered to withstand extreme temps from -84°F to 270°F, keeping your ride ready for any climate challenge. - • **Proven OEM-Approved Performance:** Trusted by Ford, Chrysler, Mercedes-Benz, and backed by real-world fleet testing for maximum engine longevity. ## Overview Zerex G05 Antifreeze Coolant Concentrate is a premium, OEM-approved coolant designed for gasoline and diesel engines. Featuring Hybrid Organic Acid Technology, it delivers superior freeze and boil protection (-84°F to 270°F), combats corrosion on all cooling system metals, and safeguards engine components with a 5-year/150,000 mile guarantee. Trusted by top automakers and fleet-tested, it ensures optimal engine performance and longevity. ## Description Zerex from Valvoline is the #1 selling OEM-approved coolant brand. Zerex G05 Antifreeze/Coolant is proven to maximize engine life in newer Ford, Chrysler and Mercedes-Benz cars, light trucks and heavy-duty vehicles. Suitable for both gasoline and diesel engines, its original long-life chemistry is specially formulated with the highest quality virgin ethylene glycol and Hybrid Organic Acid Technology (HOAT). Zerex is made for your car and protects better than industry standards against corrosion, leaking, deposits as well as freezing and boiling – the four main causes of cooling system failure, which is the leading cause of engine breakdown. Our low-silicate, reduced pH, phosphate-free formula with Hybrid Organic Acid Technology (HOAT) protects all cooling system metals (including aluminum) from corrosion. It contains nitrites that protects diesel-engine cylinder liners from cavitation, while deposit control additives guard against hardwater deposits and scale. So radiators, water pumps and other metal cooling system parts stay clean and your antifreeze flows and functions properly. Whether you’re topping off your radiator or doing a complete system flush, trust Zerex G05 Antifreeze/Coolant. Made for your car. Made by Valvoline. Review: Great price. Excellent product - This is the proper coolant for my 3500 diesel truck . Seems to be working great .. this supplier was several dollars less than my local supplier. Review: Good - Good ## Features - Unsurpassed freeze protection and anti-boil performance outperforms industry standards - Hybrid organic acid technology fights rust, scale & corrosion while protecting all cooling system metals (including aluminum) - High-quality additives protect against leaks and won’t harm gaskets, hoses, plastics or original vehicle finish - Yellow concentrate formula should be mixed with clean tap water or demineralized water at 50/50 ratio for temperatures -34 to 265F; 60/40 for -62 to 270F; and 70/30 for -84 to 267F - 5 year/150,000 mile guarantee protects against engine failure caused by freeze-ups or boil-overs - Batch-tested in the lab, fleet-tested in the real world to help car and truck owners achieve optimal performance and maximize engine life. - Contains 30 – 50 ppm of denatonium benzoate as a bittering agent ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0033QNZZ0 | | Best Sellers Rank | #3,116 in Automotive ( See Top 100 in Automotive ) #21 in Antifreezes & Coolants | | Brand | Valvoline | | Customer Reviews | 4.8 4.8 out of 5 stars (2,019) | | Date First Available | January 11, 2010 | | Item Weight | 9.62 pounds | | Item model number | ZXG051 | | Manufacturer | Valvoline | | Manufacturer Part Number | ZXGO51 | | Model | G05 | | Product Dimensions | 7.38 x 3.83 x 12 inches | ## Images ![Zerex G05 Antifreeze Coolant Concentrate 1 Gallon - Image 1](https://m.media-amazon.com/images/I/81CydjTM+ML.jpg) ## Questions & Answers **Q: Is this a concentrated solution?** A: The listing for this item needs to be corrected. The model number item ZXG051 is the concentrated version of the coolant. The model number item ZXG05RU1 is the 50/50 mix version of the coolant. The 50/50 mix version has the Amazon ASIN number of B0033QQ4VW. **Q: Is the color of this coolant orange? One customer says great replacement for green coolant. I'm trying to find a coolant for my 2011 Ford Mustang 5.0** A: It's a gold color. I used it to replace the coolant in a 05 V6 mustang. Did you get a coolant leak? Seems a little early to be replacing coolant on a 2011. **Q: bmw** A: It does not list BMW on the bottle but I'm running it in mine **Q: My 2014 caravan calls for 10 yr 150,000 mile coolant oat technology-this coolant is hoat. are they comparable?** A: Zerex G05 Phosphate Free Antifreeze/Coolant 1 GA uses HOAT chemistry, which is not recommended for your application. We recommend Zerex DEX-COOL Organic Acid Technology Antifreeze/Coolant 1 GA for your 2014 Chrysler OAT application. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great price. Excellent product *by E***) on May 17, 2026* This is the proper coolant for my 3500 diesel truck . Seems to be working great .. this supplier was several dollars less than my local supplier. ### ⭐⭐⭐⭐⭐ Good *by V***A on August 3, 2026* Good ### ⭐⭐⭐⭐⭐ Highly compatible HOAT coolant. *by T***R on June 15, 2026* I'm still a big fan of HOAT coolants. Highly compatible. Zerex G05 is a great replacement for other HOATs that are harder to come by and more expensive. It's an excellent value in this 100% formulation. ## Frequently Bought Together - Zerex G05 Phosphate Free Concentrate Antifreeze/Coolant 1 GA - BlueDevil Products 00203 Radiator Flush & Oil Degreaser - 1 Quart - Zerex G05 Phosphate Free 50/50 Ready-to-Use Antifreeze/Coolant 1 GA --- ## 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.co.za/products/2504545-zerex-g05-antifreeze-coolant-concentrate-1-gallon](https://www.desertcart.co.za/products/2504545-zerex-g05-antifreeze-coolant-concentrate-1-gallon) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-13*