Proven Safe & Effective
Dura Lube® does NOT contain Teflon® (PTFE), silicone, graphite, molybdenum, lead or other harmful substrate materials. Dura Lube® is not corrosive to metal. Dura Lube® does not generally void warranties.
(It is illegal for companies to void warranties or deny coverage under the warranty simply because an aftermarket product was used please see the Federal Trade Commission support of the Magnuson-Moss Warranty Act: The manufacturer or dealer must show that the aftermarket or recycled part caused the need for repairs before denying the warranty claim.)
If you are not happy with any Dura Lube® product, we offer a 100% money back guarantee. Our Engine Treatment has been tested against our competitors by a reputable independant third party ASTM testing laboratory.