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444XT O rings - RocketScott - 12-10-2018
Cummins 444xt NT855
I bought a gasket set from PAI. It came with a couple bags with a few dozen orings each, not labeled of course.
There are some that are the same size. Some are black and others green. They are the size I need for both the fuel crossover tubes and the oil supply inside the head.
Any suggestions about which goes where?
The orings I pulled out were black on the fuel and green on the oil supply. So many things have been wrong on this truck that I don't trust that's correct