Forum Discussion
hostage
Aug 12, 2017Explorer
Tntman wrote:
In 2003 they added the EGR. 2006 came the collecter, 2010 came the DEF system.
my late 2007 ISL 425HP cummins has the DEF muffler/regeneration system
2011 (approx.) is when they went to the urea fluid cleaning system
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