Product #: FKDMX66 (2001-2016), FKDMX6617 (2017-2019), FKDMX6620 (2020-present) This kit contains all of the parts and fittings necessary to install the Frantz Filter System on your 6.6L Duramax. ALL NEW kits available, now supporting Duramax engines newer than 2017.