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Sierra Propylene Glycol Antifreeze

PEAK Automotive Coolants are formulated to meet or exceed the performance requirements of every major car and truck manufacturer in order to provide maximum protection. PEAK Coolants contains inhibitors that provide maximum cooling system protection against damaging rust and corrosion. Regardless of Year, Make, Model, PEAK has the coolant to meet the customer’s needs.

SIERRA Antifreeze & Coolant Propylene Glycol

Sierra Propylene Glycol AntifreezePEAK is the pioneer and market leader in the safer propylene glycol (PG) antifreeze category. SIERRA Antifreeze/Coolant is formulated with propylene glycol rather than ethylene glycol – the base for traditional antifreeze. Because of its propylene glycol formula, SIERRA Antifreeze is less toxic and therefore safer for people, pets, and wildlife than conventional antifreeze. It is a premium automotive coolant that provides excellent freeze-up and boil-over protection and outstanding corrosion protection.

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