For Peterbilt 357 Engine Desg. ISX 15.0; EngineMfr Cummins 2003 EPA Standard 2005. for Peterbilt 378 Engine Desg. for Peterbilt 379 Engine Desg. ISX 15.0; EngineMfr Cummins 2003 EPA Standard 2003-2007.
This product would be ideal for ISX Cummins engines used in applications from 2004 to 2007.
