CV52001 4936636 68002433AC Crankcase Ventilation Filter Replacement for Ram 2500 3500 4500 5500 6.7L 2007.5-2023 ISB engines This crankcase ventilation filter is designed to replace the on specified Ram models equipped with 6.7L ISB engines from 2007.5 to 2023.It fits into the crankcase ventilation system to help remove and oil mist from blow-by gases, supporting efficient engine and emissions control.The filter is engineered for direct installation without modifications and meets the required specifications for compatibility and performance on the designated vehicles.