Instructions

It's a lot of work to replace an injector, and it's a lot more work if you screw it up. Here are some helpful resources for you to do it right the first time.

2003-2007 Dodge/Ram Cummins 5.9L Injector Installation

If you're replacing injectors in a Cummins engine, it is vital that the correct procedure be followed every time, exactly and to the letter.  Failure to do this will result in high return leakage, injector failure, cylinder and crankcase flooding, and extensive engine damage.  It's a lot of work to replace a set of injectors - better do it right the first time.