PEAK OET Extended Life Violet 50/50 Prediluted Antifreeze/Coolant for European Vehicles, 1 Gal.

4.8 4.8 out of 5 stars | 965 ratings

Price: 18.95

Last update: 01-26-2025


About this item

1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate.
PROTECTS: Advanced formulation prevents rust & corrosion protecting all cooling system components
DESIGNED FOR EUROPEAN VEHICLES: Recommended for use with certain years of Audi, Mercedes, Porsche, VW, and other European vehicles that require a VIOLET silicate-enhanced organic acid technology (Si-OAT) formula
GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection up to 150,000 miles or 5 years.
50/50 PREDILUTED FOR QUICK TOP OFFS: Already prediluted to make topping off your cooling system a breeze

Product information

Technical Details


Top reviews from the United States

  • HP
    5.0 out of 5 stars Easy to use and good quality
    Reviewed in the United States on November 22, 2024
    It’s so easy, you don’t have to mix it as it came pre mixed. It’s color coded so there is hard to make mistake, just pour in and let it work. It came with no leakage and has good quality just exact like OEM, same color. It serves me well and good value for the money!
  • Vinnie
    5.0 out of 5 stars European purple coolant
    Reviewed in the United States on November 24, 2024
    Meets all factory spec. If your car uses purple coolant like many VW's etc etc this works great and the concentrate is mixed 50/50 with distilled water making it much less expensive than the premixed which is only 50 percent coolant.
  • Jeff Stegman
    5.0 out of 5 stars Good coolant
    Reviewed in the United States on November 26, 2024
    Was the correct coolant for my vehicle. Good price and shipped to my door. Easy to pour out of
  • Steve Kleinheksel
    5.0 out of 5 stars Excellent
    Reviewed in the United States on December 31, 2024
    Good product
  • Evan
    5.0 out of 5 stars Appropriate for my Volkswagen GTI
    Reviewed in the United States on June 10, 2024
    I'm old enough to remember when there was one antifreeze to rule them all. It was green, and it went in every car or truck on the road.
    Not these days. Antifreeze, like almost everything else, has become specialized and it's important to know what your requirement is because they often don't play well together when mixed.
    This particular brand and formulation is appropriate for Volkswagens and that's what I use it (a 2015 GTI, specifically). No problem with freeze ups or boil overs and I don't expect any longevity problems.
  • Manon de la Cure
    4.0 out of 5 stars Wonderful product, but mechanic states "solution is too thick"
    Reviewed in the United States on March 7, 2024
    Initiated utilizing PEAK OET Extended Life Violet about 6 months ago, and it did a great job through the northern winter. Only issue, a recent oil change/check-up the mechanic shared the viscosity of the product is too dense, so it is "too thick." The mechanic had to dilute with distilled water to decrease the viscosity. I have to have a 'coolant flush' procedure to ensure all continues smoothly. May have to change brands???
  • Colleen Marshall
    5.0 out of 5 stars Arrived intact.
    Reviewed in the United States on November 9, 2024
    For vehicle. Worked well.
  • Good
    5.0 out of 5 stars Good
    Reviewed in the United States on January 8, 2025
    As described

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