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AMSOIL Warranty

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You can be confident that using AMSOIL synthetic lubricants or practicing extended drain intervals does not void your new vehicle or equipment manufacturer’s warranty. In addition, all AMSOIL lubricants and filters are covered by the AMSOIL Limited Warranty.

AMSOIL Limited Warranty - Lubricants (PDF 87k)

AMSOIL Limited Warranty - Filters (PDF 1MB)

AMSOIL Limited Warranty - By-Pass Filters (PDF 1MB)