The DuraMAX® Liquid Armor Engine Warranty
It’s free and easy to get started! If you have less than 100,000 miles on your vehicle and use DuraMAX motor oil, you can register for DuraMAX’s free engine warranty program. You can receive 10 years or up to 400,000 miles* of guaranteed engine protection 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 transferable.
*10 years or 400,000 miles if you exclusively use DuraMAX Advanced Full Synthetic XLT motor oil. 10 years or 300,000 miles if you exclusively use DuraMAX Synthetic Blend, High Mileage, or Full Synthetic motor oil.
See Terms and Conditions for more details.