3969988 Replacement intake air horn gasket.
For 1989, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2007 Dodge Cummins 5.9L
If you are removing the fuel injectors from the engine for service, the intake air horn has to be removed and the original gasket will be ruined in the process. Have a new gasket ready to go. The replacement intake air horn gasket for ’89-’07 Dodge Turbo Diesel trucks with the 5.9L engine is sold individually. ’89-’98 12-valve requires 1 gasket to refit the intake air horn.’98.5-’07 24-valve requires 2 gaskets to refit the intake air horn.