19133041 Transfer Case Mode Fork, Electric Shift.
Mode fork is what shifts the transfer case between 2WD and 4WD.
For 2007.5, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 GM 6.6L Duramax LMM LML L5P
Mode fork is what shifts the transfer case between 2wd and 4wd in MP1626 Electric shift transfer case.