Why this filter is needed:The ISB 6.7L diesel engine employs a closed crankcase ventilation system.If the filter is not serviced,a greasy would be built-up on the compressor wheel.Then lowers the efficiency.
Filter Change Interval:The suggested change interval for the CrankCase Vent Filter is 67,500 miles or when a message is displayed on your overhead console alerts you that the Crankcase Vent Filter is now clogged.
Package includes:1 * CV52001 Crankcase Ventilation Filter(Not includes a 3999820 Crankcase Gasket).