The only motorcycle oil filters in the world to carry the stringent TUV and ISO certifications means that these filters are product approved and production monitored. The finest materials available from around the world go into each filter including Japanese steel, German glues and papers from Finland or the U.S.A. Original Equipment Manufacturer for most motorcycle and many automotive companies that cannot even be mentioned because of agreement. If you ride a bike with an oil filter, you will likely find an OE-or-better-quality replacement for it right here.