Redeem DuraMAX Service Certificate Online

The DuraMAX® Liquid Armor Engine Warranty:

  • It’s free, fast, and easy to get started!
  • If you have less than 75,000 miles on your vehicle and use DuraMAX® motor oil, you can register for DuraMAX’s free engine warranty program. You will receive 10 years or 300,000 miles of guaranteed engine life and a free $5 service certificate to be used on your next oil change!
  • The DuraMAX® Liquid Armor Engine Warranty covers more than 15 vehicle engine parts and is completely transferrable.
  • See Terms and Conditions for details.