Zerex G05 Phosphate Free Antifreeze Coolant 50/50 Ready-to-Use 1 GA
Zerex G05 Phosphate Free Antifreeze Coolant 50/50 Ready-to-Use 1 GA
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Zerex G05 Phosphate Free Antifreeze Coolant 50/50 Ready-to-Use 1 GA

4.5 stars out of 129 reviews
(4.5)|
129 ratings

Key item features

  • Optimal Protection: Provides unsurpassed freeze protection and anti-boil performance, exceeding industry standards for all modern engine components.
  • Advanced Chemistry: Utilizes Hybrid Organic Acid Technology (HOAT) to combat rust, scale, and corrosion, safeguarding all cooling system metals, including aluminum.
  • Engine Compatibility: Formulated for newer Ford, Chrysler, and Mercedes-Benz cars, light trucks, and heavy-duty vehicles, suitable for both gasoline and diesel engines.
  • Ready-to-Use: Pre-mixed yellow formula in a 50/50 ratio with deionized water, offering protection from winter freezing (-34F) and summer boiling (265F).
  • System Integrity: High-quality additives prevent leaks and are safe for gaskets, hoses, plastics, and the original vehicle finish.
  • Diesel Defense: Contains nitrites to protect diesel-engine cylinder liners from cavitation and deposit control additives to prevent hardwater deposits and scale.
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Current price is $19.99$19.99/gl
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Columbus, 43215
Arrives by Mon, Feb 23
Sold and shipped by Walmart.com
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Customer ratings & reviews

4.5 out of 5 stars
stars129 ratings67 reviews
How item rating is calculated
  1. 5 stars80% (103)
  2. 4 stars9% (12)
  3. 3 stars2% (2)
  4. 2 stars0% (0)
  5. 1 star9% (12)

Reviews summary

Pros
  • : Works with various car types and sizes.
  • : Made with a balanced solution of active ingredients.
  • : Offered at a lower cost than similar products.
  • : Protects cooling system metals from corrosion.
  • : Fluid is easily dispensed from the bottle.
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Showing 1-3 of 67 reviews

Dec 1, 2025
PM
Sold and shipped byValvoline Global
5 out of 5 stars review

Verified Purchase

Best oil for the value!

According for project farm on YouTube and all his test and data collected this is top 3 of all brands. Came from only using mobile 1 to this only. I religiously change no more than 4k miles either way. I like it tho

Helpful?1453667TS85E168610254
Feb 1, 2026
WalmartCustomer
Sold byAbit Products
5 out of 5 stars review

Verified Purchase

Exactly what I was looking for at the best price

Incentivized Review
Helpful?1453667TS85E168610254
Dec 13, 2025
ANTHONY
Top Reviewer
Sold byAbit ProductsDelivered byWalmart
5 out of 5 stars review

Verified Purchase

great price.

Helpful?1453667TS85E168610254