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Warranty Laws

Could using AMSOIL motor oil void your new vehicle warranty?

Absolutely not. Vehicle manufacturers recommend using motor oils meeting certain grades and American Petroleum Institute service requirements. Whether the motor oil is petroleum based or synthetic will not affect warranty coverage. The manufacturer is required to cover all equipment failures it would normally cover as long as the oil meets the requirements and was not the cause of the failure. AMSOIL exceeds these requirements and has never been deemed the cause of an engines failure. Even so, AMSOIL has its own limited warranty, protecting you even further. In addition, the Federally mandated Magnuson-Moss act states that a manufacturer may not require the use of a specific brand of aftermarket product unless it is provided free of charge.

Answer Diesel Challenges

The next few years will present many challenges to the diesel engine. One of the current challenges is the new ULSD. AMSOIL's Diesel concentrate is an excellent choice to increase the lubricity of ULSD and biodiesel.

AMSOIL Diesel Concentrate extends equipment life, lowers operating costs and improves diesel performance. It compensates for the variances in the quality of diesel fuel, as well as biodiesel. Today's diesel engines, with their close tolerances, and high demands require the best diesel fuel. AMSOIL Diesel Concentrate ensures that your high performace engine has the high performance fuel it needs.

The emission control equipment is also placing more demands on the modern diesel engine.

EPA Mandated Emissions

Beginning in 1988, diesel emissions have been regulated by the EPA
Reducing diesel engine emissions required changes in diesel fuel & engine modifications
After 1991, all new diesel emission regulations also required new diesel engine oil specifications.

Reduce Sludge

The picture shows what can happen if you make the wrong choice in motor oil. This is a graphic of the results of a severe high temperature deposit test comparing different brands of motor oil. AMSOIL Synthetic 15w-40, on the right, shows significantly less deposits than the others. Which do you want in your engine?

Product Information

AMSOIL Product Information AMSOIL INC. markets the most complete line of synthetic lubricants on the market today, as well as a number of other innovative, high quality automotive products. Please select products from the index below.