Zerex G05 Phosphate Free Antifreeze Coolant 50/50 Ready-to-Use 1 Gallon Yellow for Ford Chrysler Mercedes-Benz
Zerex G05 Phosphate Free Antifreeze Coolant 50/50 Ready-to-Use 1 Gallon
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Zerex

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

175 ratings

Key item features

  • Superior Protection: Offers unsurpassed freeze protection and anti-boil performance, outperforming industry standards for modern engine components.
  • Advanced Chemistry: Utilizes Hybrid Organic Acid Technology (HOAT) to combat rust, scale, and corrosion, safeguarding all cooling system metals, including aluminum.
  • Component Safe: High-quality additives protect against leaks and are safe for gaskets, hoses, plastics, and the vehicle's original finish.
  • Ready-to-Use: Pre-mixed yellow formula in a 50/50 ratio with deionized water, providing protection from -34F to 265F.
  • Engine Compatibility: Suitable for both gasoline and diesel engines, specifically formulated for newer Ford, Chrysler, and Mercedes-Benz vehicles.
  • Optimized Formula: Low-silicate, reduced pH, phosphate-free formula with nitrites to protect diesel-engine cylinder liners and deposit control additives.
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Specs

Antifreeze & coolant type, HOATCompatible cars, MultipleVehicle fitment type, SpecificBrand, ZerexColor, YellowVolume capacity, 1 gal

About this item

Product details

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.
  • 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 yellow 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:
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Specifications

Antifreeze & coolant type

HOAT

Compatible cars

Multiple

Vehicle fitment type

Specific

Brand

Zerex

Warranty

Warranty information

1 year easy exchange warranty directly thorough AutoPartsWAY. Additional manufacturer warranty may be available through the manufacturer directly.

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Warnings

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Customer ratings & reviews

4.6 out of 5 stars
stars
175 ratings72 reviews
How item rating is calculated
  1. 5 stars83% (145)
  2. 4 stars8% (14)
  3. 3 stars2% (3)
  4. 2 stars1% (1)
  5. 1 star7% (12)

Reviews summary

Pros

  • : Works with various car types and sizes.
  • : Offered at a lower cost than similar products.
  • : Made with a balanced solution of active ingredients.
  • : Simple navigation makes it easy to use.
  • : Fluid is easily dispensed from the bottle.
  • : Consistently used across various vehicle types.
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Showing 1-3 of 72 reviews

Dec 1, 2025
Reviewer name: PM
Top Reviewer
Sold and shipped byValvoline Global
5 out of 5 stars
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
May 17, 2026
Reviewer name: Richard
Sold byAbit ProductsDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

good to go

great price

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

Verified Purchase

great price.

Helpful?1453667TS85E168610254
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