Doc's Diesel RAM 6.7L Cummins 15W-40 Full Synthetic Oil + Filter Maintenance Kit 2013-2018RAM 6.7L Cummins 15W-40 Full Synthetic Oil + Filter Maintenance Kit 2013-2018. Doc's Ram 6.7L Cummins Oil Filter 1989-2024 (Doc's NEW Black Oil Filter featuring upgraded materials and an enhanced grip!).
