PEAK Purple OET Extended Life Concentrate Antifreeze and Coolant, 1 Gal — OAT Corrosion Protection

PEAK OET Extended Life Purple Concentrate is a one-gallon, ethylene-glycol based engine coolant formulated with organic acid technology (OAT) for long-lasting corrosion protection in newer North American vehicles.

This concentrated purple antifreeze and coolant is designed for modern high-performance cars and light trucks that call for an OAT purple formula. Mixable to the proper freeze/boil protection levels, it replaces factory-fill inhibitors to help reduce rust, scale and wear inside the cooling system. PEAK’s formula is intended for flush-and-fill service and is compatible with many Alfa Romeo, Chrysler, Dodge, Fiat, Jeep and RAM models that specify a purple OAT coolant.

How does this concentrate protect my engine over time?

The OAT chemistry provides a stable corrosion-inhibiting film that defends metal and aluminum components from electrochemical deterioration. Regularly replacing the coolant with this product during a complete flush and fill helps maintain inhibitor levels and system cleanliness.

• Organic acid inhibitors formulated for long service life
• Reduces rust, corrosion and scale buildup on cooling parts
• Compatible with metals and alloys used in modern engines

What service interval can I expect when installed correctly?

When applied as part of a full system flush and refill following manufacturer directions, this concentrate supports extended service intervals compared with traditional IAT coolants. It’s engineered to meet long-life maintenance schedules used by many modern vehicle makers.

• Designed for extended protection between flushes
• Intended for vehicles that specify OAT long-life coolants
• Performance depends on correct mixing and proper system service

How do I use this concentrate safely and effectively?

Mix the concentrate with the correct proportion of water to achieve the protective freeze and boil points recommended by your vehicle manufacturer. Always follow the vehicle owner’s manual and observe safety precautions; the product contains a bittering agent to discourage accidental ingestion.

• Mix to manufacturer-specified ratio for freeze/boil protection
• Perform a complete system flush before filling for best results
• Handle with care and keep away from children and pets

Which vehicles and systems is this coolant intended for?

This purple OAT concentrate targets modern North American vehicles that call for an extended-life organic-acid coolant. It was created to match the inhibitor profile used in many factory fills for newer Alfa Romeo, Chrysler, Dodge, Fiat, Jeep and RAM applications.

• Suitable for North American vehicles requiring purple OAT coolant
• Formulated for contemporary high-performance engines and cooling systems
• Not intended as a universal drop-in; check your owner’s manual

Who is this for: Owners, technicians and fleet managers who maintain modern North American cars and light trucks seeking a long-life purple OAT concentrate for professional-quality flush-and-fill services. Choose this product if your vehicle’s service information specifies an extended-life organic acid technology coolant and you want a concentrated option that can be mixed to the correct protection level.