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  • SIERRA

    Safer than conventional antifreeze for people, pets and wildlife.

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    PEAK® is the pioneer and market leader in the safer propylene glycol (PG) antifreeze category. SIERRA® Antifreeze/Coolant is formulated with PG rather than ethylene glycol - the base for traditional antifreeze. Because of its PG 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. Specific benefits include:

          • Provides excellent engine protection against freeze-up, boil-over and corrosion, while maintaining heat transfer properties
          • Helps prevent accidental poisoning of pets
          • Helps protect wildlife in the environment SIERRA® Antifreeze is a propylene-based antifreeze that requires the use of a special ball tester to check its freezing point.

    You can find the SIERRA® Ball Tester on 247-AutoParts.com or at any Pep Boys Auto Parts Store.

  • Safer than conventional antifreeze for people, pets and wildlife.

    PEAK® Antifreeze & Coolants meet or exceed all industry specifications and performance standards. A wide variety of patented formulas protects against scale, rust and corrosion of cooling system metals, while providing maximum freeze-up and boil-over protection.

  • SIERRA

    OLD WORLD INDUSTRIES, LLC warranties this product against faulty manufacture and defective materials. OLD WORLD INDUSTRIES, LLC. will not accept product liability for application or use of this product.

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