Warranties and AMSOIL
AMSOIL and Warranties
The Magnuson-Moss Act is a U. S. federal law which states that a manufacturer may not require the use of a specific brand of aftermarket product, including lubricants, unless that part is provided by the manufacturer free of charge. (emphasis added).
Misleading OEM Practices
OEM's often suggest in owner's manuals, advertisements or through dealership personnel that motorists and enthusiasts must use the OEM-branded oil to comply with the new vehicle or equipment warranty. Some OEMs include warnings of catastrophic engine
