PEAK OET Purple Antifreeze/Coolant Concentrate 1 gal — OAT protection for aluminum and mixed‑metal engines

PEAK OET Purple Concentrate is a 1‑gallon organic‑acid‑technology (OAT) antifreeze/coolant concentrate formulated for modern North American engines that require a purple OAT coolant.

This concentrated formula is designed for use during cooling‑system flushes, fills, or top‑offs on newer North American vehicles. It uses an ethylene‑glycol base blended with a balanced package of organic acid corrosion inhibitors to protect aluminum and other metals found in contemporary high‑performance engines. Mix to the manufacturer’s recommended concentration for freeze and boil protection and for the corrosion control that matches factory fill specifications.

How does PEAK OET protect cooling‑system components?

The OAT inhibitor blend targets corrosion on aluminum, iron, and mixed‑metal systems to help preserve water pumps, radiators, head gaskets, and heater cores. Because it mirrors the inhibitor technology used for many factory fills, it helps maintain the original protection level when installed correctly.

• Organic acid corrosion inhibitors compatible with modern engine materials
• Reduces rust and electrochemical wear that degrades components
• Maintains protection when mixed at recommended ratios

What service life and warranty coverage does it offer?

When applied as part of a complete flush and fill, PEAK guarantees extended‑life service life protection of up to 350,000 miles or up to 5 years. Proper installation, correct dilution, and following vehicle manufacturer service intervals are necessary to qualify for the extended service coverage.

• Guaranteed protection when installed during a complete flush and fill
• Service life guidance: up to 350,000 miles or up to 5 years
• Follow vehicle manufacturer instructions to maintain warranty eligibility

How do I use this concentrate in my vehicle?

PEAK OET is a concentrate intended to be mixed with water to reach the vehicle maker’s specified coolant concentration (commonly 50/50 for freeze and boil protection). Use distilled water if possible, and always verify the required type and concentration for your specific make and model before topping off or refilling the system.

• Mix concentrate with water to reach the manufacturer’s recommended ratio
• Use during a full flush and fill for best long‑term protection
• Not a direct‑fill—do not pour concentrate in without diluting unless instructed by manufacturer

Which vehicles and systems are compatible with PEAK OET Purple Concentrate?

This product is formulated for modern North American vehicles, including many newer Alfa Romeo, Chrysler, Dodge, Fiat, Jeep, and RAM models that specify a purple OAT coolant. It was designed for high‑performance engines and mixed‑metal cooling systems commonly found in contemporary domestic and some European‑branded North American models.

• Meant for North American vehicles specifying a purple OAT coolant
• Suitable for mixed‑metal systems and high‑performance engines
• Consult your owner’s manual to confirm compatibility

Who is this for: PEAK OET Purple Concentrate is intended for DIY mechanics, independent shops, and fleet service techs who perform coolant flushes and refills on modern North American vehicles that require a purple OAT formula. Choose this concentrate when you need a factory‑style corrosion inhibitor package and extended service life, and always follow your vehicle manufacturer’s coolant type and dilution recommendations.