Parts Unlimited oil filters use the worlds finest materials, literally: German paper, English glue, and Japanese zinc steelAll necessary gaskets and O-rings are includedISO9002 certified This item fits the following models:2008-2011 Can-Am DS 4502008 Can-Am DS 450 X2009-2011 Can-Am DS 450 X mx2009-2011 Can-Am DS 450 X xc