Premium Antifreeze and Coolant for Heavy Duty Engines

The PEAK brand has always been a little different – and always about the customers that are passionate about life and their vehicles. Over four decades of American ingenuity have gone into developing world-class products that meet or exceed industry performance and quality standards. PEAK exists to deliver peak performance, so our customers get more out of their vehicles…and more out of life.

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PREDILUTED ANTIFREEZE AND COOLANT: This product is compatible with all heavy-duty cooling systems and features proprietary scale inhibitors to protect against corrosion, scale, and deposit buildup, maximizing heat transfer away from system metals or other components. It contains a bittering agent called Denatonium Benzoate.

PHOSPHATE ENHANCED ORGANIC ACID TECHNOLOGY: The formulation provides outstanding liner pitting, water pump cavitation, and metal corrosion protection to all cooling system metals, including Controlled Atmosphere Brazed or cast aluminum components.

LONG-LASTING: With proper maintenance, this engine coolant will provide protection and efficiency for over 1.5 million miles of on-road use, 36,000 hours of off-road use, or an estimated 10 years.

2-EHA-FREE FORMULA: The phosphate-enhanced formulation ensures exceptional long-term elastomer, system gaskets, and hose compatibility.

SIMPLE FILLS AND TOP-OFF: This product eliminates the need for additional SCAs and chemically charged filters. While not recommended, it can be mixed with other coolants.

The PEAK brand has always been about delivering peak performance and value to passionate customers. By leveraging over four decades of American innovation, the PEAK product line offers a wide range of high-quality solutions to enhance the driving experience and extend the life of vehicles.

From advanced antifreeze and coolant formulations to top-of-the-line wiper blades, automotive lighting, and performance chemicals, PEAK is dedicated to providing products that exceed industry standards and meet the evolving needs of modern drivers.

Whether it's protecting critical engine components, improving visibility, or boosting overall vehicle performance, PEAK is committed to helping customers get the most out of their vehicles and their lives. With a focus on quality, innovation, and customer satisfaction, the PEAK brand continues to set itself apart in the automotive aftermarket industry.

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