DOC'S DIESEL FUEL/WATER SEPARATORS - Doc's Fuel/Water Separators separate water from fuel and remove contaminants like separate water from dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed. INTERCHANGE - Doc's Diesel 2013-2018 Dodge RAM 6.7L Cummins Fuel/Water Separator includes (2) Fuel/Water Separators: SKU Replaces Mopar 68157291AA, Replaces Wix 33255, Replaces Fram CS11037, Replaces Baldwin PF9870, Replaces Premium Guard DF8606, Replaces Purolator F36294 and SKU DGF410 Replaces Mopar 68157291AA, Replaces Wix WF10255NP, Replaces Baldwin PF9870, Replaces Premium Guard DF8606, Replaces Purolator F36294 FITMENT - Compatible with 2013-2018 Ram 6.7L Cummins 2500, 3500, 4500, 5500 THIRD PARTY TESTED - 3 Micron @ 96.92% Efficiency Rating REPLACEMENT GUIDELINES - Above all recommendations, change according to your vehicle’s manufacturer warranty. Fuel/Water Separators should be changed every 5,000 to 10,000 miles, or 15,000 maximum. Doc's Fuel/Water Separators separate water from fuel and remove contaminants like separate water from dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed. INTERCHANGE: Doc's Diesel 2013-2018 Dodge RAM 6.7L Cummins Fuel/Water Separator includes (2) Fuel/Water Separators: SKU Replaces Mopar 68157291AA, Replaces Wix 33255, Replaces Fram CS11037, Replaces Baldwin PF9870, Replaces Premium Guard DF8606, Replaces Purolator F36294 and SKU DGF410 Replaces Mopar 68157291AA, Replaces Wix WF10255NP, Replaces Baldwin PF9870, Replaces Premium Guard DF8606, Replaces Purolator F36294. FITMENT: Compatible with 2013-2018 Ram 6.7L Cummins 2500, 3500, 4500, 5500