PEAK® Antifreeze + Coolant Concentrate Antifreeze + Coolant is specially engineered to deliver guaranteed lifetime protection*. It’s advanced all vehicle formula contains a proprietary blend of 10X more scale inhibitors† coupled with robust organic additives to fight against the damaging effects of scale deposits and corrosion. PEAK Antifreeze + Coolant is free of 2-EHA, silicate, nitrite, borate and amines, ensuring maximum cooling system performance for 10+ years/300,000+ miles*. It is compatible for use with any color or type of antifreeze/coolant in the system.

*Lifetime Protection: 10+ years/300,000+ miles lifetime guarantee when a complete cooling system flush and fill is performed and proper cooling system maintenance is followed. Always follow vehicle owner’s manual for top off requirements, change intervals and specified maintenance. See peakauto.com for more details.
† Versus legacy PEAK Antifreeze + Coolant technologies.

All vehicle formula is compatible with any color or type of antifreeze/coolant

Contains 10X more scale inhibitors† to ensure maximum cooling system performance

Specially formulated to deliver Guaranteed Lifetime Protection* against damaging scale and corrosion

Protection demonstrated by earning a perfect 10 score in industry standard water pump protection test, ASTM D2809

All vehicle formula is compatible with any color or type of antifreeze/coolant

Meets the performance requirements of ASTM D3306 and D4985

3.78 LITER concentrated formula is ideal for flushing, filling, or topping off your cooling system