

Hero image 0 of Zerex G48 Antifreeze Coolant 50/50 Ready-to-Use 1 GA, 0 of 11
Zerex G48 Antifreeze Coolant 50/50 Ready-to-Use 1 GA
Key item features
- Superior Protection: Offers unsurpassed freeze protection down to -34F and anti-boil performance up to 265F, exceeding industry standards.
- Advanced Formulation: Utilizes Hybrid Organic Acid Technology (HOAT) to combat rust, scale, and corrosion, safeguarding all cooling system metals, including aluminum.
- Component Safe: Contains high-quality additives that prevent leaks and are safe for gaskets, hoses, plastics, and the vehicle's original finish.
- Ready-to-Use Blend: Pre-mixed dark blue formula is a 50/50 ratio with deionized water, suitable for immediate use in modern engine components.
- Engine Compatibility: Specifically formulated for BMW, Chrysler 2001 and older, Ford 2002 and older, GM 1996 and older, Mercedes-Benz, Mini, and Volvo engines.
- Corrosion Prevention: Features a lower-silicate, reduced pH, phosphate-free formula with nitrates to protect diesel-engine cylinder liners from cavitation.
- Deposit Control: Includes additives to guard against hardwater deposits and scale, ensuring clean radiators, water pumps, and other metal cooling system parts.
Generated by AI
Specs
- Antifreeze & coolant typeHOAT
- ColorDark Blue
- Compatible carsMultiple
- FeaturesExtended Engine Life
- Product lineG48
- Size1 gal
Reviews summary
Pros
- : Works with various vehicle types.
- : Constructed using reliable and durable components.
- : Helps prevent corrosion and scale buildup in cooling systems.
- : Made with a formula that prevents corrosion and overheating.
- : Provides reliable operation with each refill.
- : Priced competitively with similar products.
Generated by AI
Price when purchased online
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About this item
Product details
Zerex from Valvoline is the #1 selling OEM-approved coolant brand. Zerex G48 Antifreeze/Coolant is proven to maximize engine life in cars and light trucks. Its premium formulation is suitable for BMW, Chrysler 2001 and older, Ford 2002 and older, GM 1996 and older, Mercedes-Benz, Mini and Volvo engines. Specially formulated with NAP-free Hybrid Organic Acid Technology (HOAT) in an ethylene glycol-base, 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 lower-silicate, reduced pH, phosphate-free formula with Hybrid Organic Acid Technology (HOAT) protects all cooling system metals (including aluminum) from corrosion. It contains nitrates 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 G48 Antifreeze/Coolant. Made for your car. Made by Valvoline.
- 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
- Pre-mixed dark blue formula is ready-to-use in a 50/50 ratio with deionized water to protect all modern engine components from winter freezing (-34F) and summer boiling (265F).
- 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
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Antifreeze & coolant type
HOAT
Color
Dark Blue
Compatible cars
Multiple
Features
Extended Engine Life
Warranty
Warranty information
NA
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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Works with various vehicle types.
- : Constructed using reliable and durable components.
- : Helps prevent corrosion and scale buildup in cooling systems.
- : Made with a formula that prevents corrosion and overheating.
- : Provides reliable operation with each refill.
- : Priced competitively with similar products.
Generated by AI
Customer images






+17 images
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Showing 1-3 of 58 reviews
Jan 1, 2026
WalmartCustomer
5 out of 5 stars review
Verified Purchase
My Vehicles are 40 years old and use a lot of Coolant but because of my declining Health it is becoming more and more challenging to go to an auto parts store to buy
Incentivized Review
Helpful?4NWU48L3HELS173296399
Nov 14, 2025
Thomas
5 out of 5 stars review
Verified Purchase
Highly Recommended For My Vehicle
The company that services my car suggests that I use this antifreeze to top off the coolant used in my vehicle. This is the same coolant that is used when my vehicle is being serviced and when the coolant system is due to be flushed.
Helpful?4NWU48L3HELS173296399
Aug 11, 2025
Walmart customer
Top Reviewer
5 out of 5 stars review
Verified Purchase
Oil Change
2015 Mercedes Ml350 SUV ...it was suggested to me to use this oil in my car IT was outrageous priced at some places i check, but of course my Walmart had it cheaper .... SO i get to use the better correct oil with less price Always Walmart
Helpful?4NWU48L3HELS173296399
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