ACDelco 89021524 OE Synthetic 75W-140 Axle Lube, 2001-2020 GM 6.6L Duramax LB7 LLY LBZ LMM LML L5P

89021524 Synthetic 75W140 Axle Lube For. 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 GM 6.6L Duramax
LB7 LLY LBZ LMM LML L5PACDelco# 10-4054

Some vehicles require limited slip additive.