Heavy-Duty Antifreeze & Coolant
Heavy-Duty Antifreeze & Coolant is formulated with cutting-edge organic acid technology for outstanding protection against cavitation, corrosion and scaling. Premixed 50/50 with high-purity water, it requires no supplemental coolant additives (SCAs) and provides extended drain intervals of 600,000 miles, 12,000 hours or six years, whichever comes first.
Why this product
- 600,000-mile / 12,000-hour / 6-year extended service life — no supplemental coolant additives (SCAs) required.
- Cutting-edge organic acid technology protects against cavitation, corrosion and scaling.
- 50/50 premixed with high-purity water — no measuring or mixing; compatible with virtually all vehicles.
Find your fit
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Become a Preferred Customer →Heavy-Duty Antifreeze & Coolant — FAQ
Yes — AMSOIL Antifreeze & Coolant is compatible with all other coolants and coolant colors on the market. For the most predictable freeze and boil protection, AMSOIL recommends staying with all ethylene glycol or all propylene glycol rather than mixing the two types.
No — it comes premixed 50/50 with high-purity water, eliminating the hassle of measuring and mixing (poor-quality mixing water is a leading cause of cooling-system problems).
Passenger Car & Light Truck Antifreeze & Coolant is the fit for the Toyota/Lexus lineup, with a 150,000-mile or 5-year service interval in passenger-vehicle use. Heavy-Duty is the pick for diesel and commercial equipment.
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Price shown is AMSOIL's current online retail price, synced weekly. Checkout completes on amsoil.com; orders are sold, shipped and fulfilled by AMSOIL Inc. Tuned Yota is an Authorized AMSOIL Dealer.