Injectors

[Flashman]

My buddy with a Duramax had to replace all his injectors at 120,000 miles and got me worried - I have about 200,000 miles on my 2006 Dodge.

How long do injectors typically last and how does it differ by brand of truck?

[noteven]

My relative's work Dodge broke down at 590,000 miles doing light freight work. It needed a head gasket and related kit. All other parts including injectors were within spec. Cross hatching still visible in the cylinders.

[ScottG]

Without better filtering, your Cummins could be in need of injectors at any time now. It's not uncommon for them to need replacement b and between 175 and 275K. Some go many times that. It all depends on how clean the fuel was over the years and that breaks down to plain luck.
Bosch wanted Dodge/Cummins to use 2~3 micron filtering but they haven't improved it unit recently. The best thing a Cummins owner can do is to add this filtering with something like a Glacier Diesel kit.
I would add the filtering now but be ready to replace injectors sometime in the future.

[1320Fastback]

First generation Duramax, if that's what he has have injectors that are know to fracture. They do not make new bodies anymore and all replacement injectors use old good bodies which is a good thing because it means they weren't ones that failed earlier.