19133208 Transfer Case Friction Ring Synchronize Kit.
Includes inner and outer race as well as friction ring.
For 2007.5, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 GM 6.6L Duramax LMM LML L5P
Three piece kit includes inner and outer race as well as friction ring. A worn synchro will cause grinding during the shift into 4wd. Fits MP1226/MP1626 transfer cases.