Performing the above service work will ruin the OEM Cummins 3969988 gaskets. Having the required Cummins 5.9L Gaskets on hand will make the completion of this work easier and less time-consuming. The Cummins 3969988 Gasket is the most current version replacement gasket available.
This 1989 to 2007 5.9L Dodge Cummins B Series Small Heater Grid Intake Gasket.
NOTE: Dodge Ram Cummins 5.9L Intake Air Horn Replacement