A vehicle’s engine generates enough heat to destroy itself, and it is up to the cooling system and coolant to keep the engine within a safe operating temperature range. Preventive maintenance, including fluid maintenance, is essential to extending radiator and engine life and keeping them in top working order, but what’s the best engine coolant for the job?
AMSOIL Antifreeze/Coolants provide outstanding protection for cooling systems, delivering maximum protection in extreme temperatures and protecting cooling systems against damaging corrosion and cavitation.
In third-party, industry-standard testing, cast-iron and copper plates protected by AMSOIL show virtually no signs of corrosion.¹
In third-party, industry-standard testing, cylinder liners protected by AMSOIL show virtually no signs of cavitation.²
AMSOIL Propylene Glycol Antifreeze & Coolant
AMSOIL Low Toxicity Antifreeze and Engine Coolant is formulated for use in ALL domestic and import passenger cars and light trucks, as well as heavy-duty applications.
• Biodegradable, low-toxicity formulation limits the threat to children and animals • Concentrated – requires mixing with distilled or high-quality water • Protection up to 150,000 miles (240,000 km) or 5 years, whichever comes first, in passenger cars and light trucks; up to 1,000,000 miles (1,600,000 km), 20,000 hours of operation or 8 years, whichever comes first, in heavy-duty applications • Greatly surpasses standards for metallic corrosion and erosion • Phosphate-, nitrate-, nitrite-, silicate-, borate- and amine-free • Compatible with all other antifreeze and coolant colors
AMSOIL Heavy-Duty Antifreeze & Coolant
AMSOIL Heavy-Duty Antifreeze & Coolant is formulated for heavy-duty applications or mixed fleets of both passenger-vehicle and heavy-duty applications.
• Fully formulated: DOES NOT require the use of supplemental antifreeze/coolant additives (SCAs) or extenders
• Protection up to 1,000,000 miles, 20,000 hours or 8 years, whichever comes first
• Ethylene glycol 50/50 pre-mix formulation
• Proprietary hybrid organic acid technology (HOAT) formulation is further enhanced with anti-scalant, anti-fouling and water-pump lubrication additives
• Phosphate-, nitrite-, silicate-, borate- and amine-free
• Compatible with all other antifreeze and coolant colors
Not available in Canada
AMSOIL Passenger Car/Light Truck Antifreeze & Coolant
AMSOIL Passenger Car/Light Truck Antifreeze & Coolant is formulated for use in ALL domestic and import passenger cars and light trucks.
• Unique poly-organic acid (OAT) formulation imparts multi-vehicle application
• 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
Not available in Canada
So, what’s the best engine coolant? Based on results of industry testing, we think it’s AMSOIL antifreeze and engine coolant. Whichever brand you choose, be sure to change it according to the recommendations in your owner’s manual or on the fluid bottle for maximum cooling-system performance and life.
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