Fuel caps
We were required to replace our 150 gallon fuel tank due to a crack resulting from the tank flexing as the pressure in the tank varying, as the fuel is used the space of that fuel must be replaced by ...
Forum Discussion
Subscribed...Sounds like they are making you upgrade to current standards. My 2001 Cummins 5.9 came stock with a vent on top of tank. I don't see why you would have to "upgrade" to a newer standard with the fuel system built by OEM in 2000.
