Zerex G05 Phosphate Free Antifreeze Coolant Concentrate 1 GA
Zerex G05 Phosphate Free Antifreeze Coolant Concentrate 1 GA
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Zerex G05 Phosphate Free Antifreeze Coolant Concentrate 1 GA

4.8 stars out of 154 reviews
(4.8)|
154 ratings
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Key item 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
Current price is $22.99$22.99/gl
Price when purchased online
  • Free 90-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $22.99
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Save time and stay stocked!
One-time purchase $22.99

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Columbus, 43215
Arrives by Mon, Feb 16
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$21.99
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Shipping, arrives by Fri, Feb 20 to Columbus, 43215
Sold and shipped by Valvoline Global
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Customer ratings & reviews

4.8 out of 5 stars
stars154 ratings88 reviews
How item rating is calculated
  1. 5 stars87% (134)
  2. 4 stars10% (16)
  3. 3 stars2% (3)
  4. 2 stars1% (1)
  5. 1 star0% (0)

Reviews summary

Pros
  • : Works with various car models and types.
  • : Offered at a lower cost than similar products.
  • : Made with high-end ingredients and build.
  • : Can be mixed with any color.
  • : Bottle design allows for smooth fluid dispensing.
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Showing 1-3 of 88 reviews

Sep 23, 2025
Adammiracle
Top Reviewer
5 out of 5 stars review

Verified Purchase

2 gal. 4 price of 1 jug 50/50 use distilled water

for just three or four dollars more you get the concentrated instead of using the 50/50 you can get two gallons of antifreeze out of this it ain't going to be perfect exact use distilled water and cut it in half and you got two gallons for three or four dollars more than what you can get the 50/50 I always use concentrated that's all the factory does is cut it with half water distilled

Helpful?2QVS5XBV7T5G119274583
Feb 1, 2026
WalmartCustomer
5 out of 5 stars review

Verified Purchase

I knew I wasn't going to find it in store since a lot of people use it! I'm glad I can just go online and they ship it to my home it arrived a day before!

Incentivized Review
Helpful?2QVS5XBV7T5G119274583
Oct 28, 2024
Charlton
Top Reviewer
5 out of 5 stars review

Verified Purchase

Excellent coolant

Excellent coolant, made for most USA made vehicles. I purchased it because my Dodge Dakota requires a HOAT coolant, which this is. My old coolant was orange color, this is a yellow color, it is the right coolant for my truck but since I'm changing the coolant color, I'm making sure it is flush extremely well.

Helpful?2QVS5XBV7T5G119274583