411081A Transfer Case Front Output Seal, 261XHD / 263XHD.
This is the replacement seal for the front output side of the transfer case.
For 2001, 2002, 2003, 2004, 2005, 2006, 2007 GM 6.6L Duramax LB7 LLY LBZ
This is the replacement seal for the front output side of the transfer case. This is where the front driveshaft goes into the front side of the unit