About this item

• Product Overview

  Advanced and unique poly-organic acid technology (OAT) delivers fast-acting, long-lasting protection for automotive cooling systems. Mixed with high-purity water to prevent scale and deposits and keep your engine running clean.

  See the Product Data Bulletin for full details.

  Outstanding Cooling-System Protection

  • Superior heat transfer
  • Excellent protection against corrosion, freezing and boil-over
  • Virtually eliminates scaling problems
  • Maximum protection in extreme temperatures and operating conditions
  • Long-lasting protection for up to 150,000 miles or 5 years, whichever comes first, in passenger cars and light trucks

  AMSOIL Resists Corrosion

  In third-party, industry-standard testing, cast-iron and copper plates protected by AMSOIL show virtually no signs of corrosion.^HH

  ^HHBased on results of the ASTM D2570 corrosion test.

  See the Product Data Bulletin for full details.

• Technical Specifications
  Data Bulletin

  Data Bulletins

  Warranty

  WARRANTY

  SDS

  SDS

  
  
  
• Product Reviews
  5 star rating

  Based on 39 reviews

  Based on 39 reviews

  See all customer reviews

  Sort by

  Most Recent Most Helpful Highest Rating Lowest Rating Oldest

  • 5 star rating
    Excellent
    By  CHRIS,  a  Verified Buyer  on  April 17, 2026

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    Excellent
    Bottom Line

    Yes, I would recommend this to a friend.
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  • 5 star rating
    Gt350
    By  HICHAM,  a  Verified Buyer  on  February 15, 2026

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    Good experience
    Bottom Line

    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great product for all of my vheicles
    By  JEFF,  a  Verified Buyer  on  February 11, 2026

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    I love that this antifreeze can be used in all of our vheicles. VW, GM, Ford and farm equipment. Works well for us.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (1) NO (0)
  • 5 star rating
    Passenger Anti Freeze
    By  GREG JESSE,  a  Verified Buyer  from  Oak Ridge Tn   on  February 05, 2026

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    This works really good in my Toyota 4Runner 4x4 limited. Also works well in my Toyota Celica GT 2003
    Bottom Line

    Yes, I would recommend this to a friend.
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    YES (0) NO (0)
  • 5 star rating
    Exceptional
    By  TODD,  a  Verified Buyer  from  Florida   on  December 10, 2025

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    Runs cooler and does exactly what it says!
    Bottom Line

    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great Product
    By  DAVID,  a  Verified Buyer  on  December 08, 2025

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    AMSOIL antifreeze products are top notch.
    Bottom Line

    Yes, I would recommend this to a friend.
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    YES (0) NO (0)
  • 5 star rating
    Antifreeze
    By  JAMES,  a  Verified Buyer  from  Texas  on  November 06, 2025

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    Great product. Love AMSOIL!!
    Bottom Line

    Yes, I would recommend this to a friend.
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  • 5 star rating
    Anti freeze
    By  WILLIAM,  a  Verified Buyer  from  Michigan   on  September 16, 2025

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    So far so good.
    Bottom Line

    Yes, I would recommend this to a friend.
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  • 5 star rating
    It’s pretty… cool
    By  RYAN,  a  Verified Buyer  on  September 08, 2025

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    This did a great job ij keeping my RX7 temps low on the hot Florida sun.
    Bottom Line

    Yes, I would recommend this to a friend.
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  • 5 star rating
    Lower Temp
    By  WOODY,  a  Verified Buyer  from  NC  on  August 08, 2025

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    The Amsoil antifreeze seems to keep my truck temp down compared to other brands that I have used.
    Bottom Line

    Yes, I would recommend this to a friend.
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• Highlights

  • Unique poly-organic acid (OAT) formulation allows for use in a wide variety of vehicles
  • Engineered to exceed original equipment manufacturer (OEM) requirements
  • Protection up to 150,000 miles or 5 years, whichever comes first
  • Ethylene glycol 50/50 pre-mix formulation
  • Protects all cooling system metals, gaskets and hoses
  • Phosphate-, nitrate-, nitrite-, silicate-, borate- and amine-free
  • Compatible with all other antifreeze and coolant colors
• Returns

  We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.

• Payments

  We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.

• Product Overview

  Advanced and unique poly-organic acid technology (OAT) delivers fast-acting, long-lasting protection for automotive cooling systems. Mixed with high-purity water to prevent scale and deposits and keep your engine running clean.

  See the Product Data Bulletin for full details.

  Outstanding Cooling-System Protection

  • Superior heat transfer
  • Excellent protection against corrosion, freezing and boil-over
  • Virtually eliminates scaling problems
  • Maximum protection in extreme temperatures and operating conditions
  • Long-lasting protection for up to 150,000 miles or 5 years, whichever comes first, in passenger cars and light trucks

  AMSOIL Resists Corrosion

  In third-party, industry-standard testing, cast-iron and copper plates protected by AMSOIL show virtually no signs of corrosion.^HH

  ^HHBased on results of the ASTM D2570 corrosion test.

  See the Product Data Bulletin for full details.

• Technical Specifications
  Data Bulletin

  Data Bulletins

  Warranty

  WARRANTY

  SDS

  SDS

  
  
  
• Product Reviews
  5 star rating

  Based on 39 reviews

  Based on 39 reviews

  See all customer reviews

  Sort by

  Most Recent Most Helpful Highest Rating Lowest Rating Oldest

  • 5 star rating
    Excellent
    By  CHRIS,  a  Verified Buyer  on  April 17, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Excellent
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Gt350
    By  HICHAM,  a  Verified Buyer  on  February 15, 2026

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    Good experience
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Great product for all of my vheicles
    By  JEFF,  a  Verified Buyer  on  February 11, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    I love that this antifreeze can be used in all of our vheicles. VW, GM, Ford and farm equipment. Works well for us.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (1) NO (0)
  • 5 star rating
    Passenger Anti Freeze
    By  GREG JESSE,  a  Verified Buyer  from  Oak Ridge Tn   on  February 05, 2026

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    This works really good in my Toyota 4Runner 4x4 limited. Also works well in my Toyota Celica GT 2003
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Exceptional
    By  TODD,  a  Verified Buyer  from  Florida   on  December 10, 2025

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    Describe the issue

    Failed to verify captcha

    Cancel Submit
    Runs cooler and does exactly what it says!
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Great Product
    By  DAVID,  a  Verified Buyer  on  December 08, 2025

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    Describe the issue

    Failed to verify captcha

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    AMSOIL antifreeze products are top notch.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Antifreeze
    By  JAMES,  a  Verified Buyer  from  Texas  on  November 06, 2025

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    Great product. Love AMSOIL!!
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Anti freeze
    By  WILLIAM,  a  Verified Buyer  from  Michigan   on  September 16, 2025

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    Describe the issue

    Failed to verify captcha

    Cancel Submit
    So far so good.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    It’s pretty… cool
    By  RYAN,  a  Verified Buyer  on  September 08, 2025

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    This did a great job ij keeping my RX7 temps low on the hot Florida sun.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)
  • 5 star rating
    Lower Temp
    By  WOODY,  a  Verified Buyer  from  NC  on  August 08, 2025

    Open report issue form

    Describe the issue

    Failed to verify captcha

    Cancel Submit
    The Amsoil antifreeze seems to keep my truck temp down compared to other brands that I have used.
    Bottom Line

    Yes, I would recommend this to a friend.
    Was this review helpful?

    YES (0) NO (0)