APPLICATION -- Fit For Dodge Ram 2003-2007 for Cummins 5.9L (Only Manual Transmission); Fit For Dodge Ram 2007.5-2018 for Cummins 6.7L (Manual & Automatic Transmissions). A MUST HAVE -- One of the biggest issues on the 5.9/6.7L for Cummins is the coolant flow problem to the rear cylinders.
