drivetrainRear Differentialfor 2021 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · 4WDLabor Hours3.5hrRange: 2.8–4.5 hrConfidenceai baselineAt $110/hr (independent shop)$385Estimated labor cost. Parts not included.Other labor times on this vehicle100K Service3.5 hr30K Service2.5 hr4WD Actuator5.5 hr60K Service3.5 hr90K Service3.5 hrABS Module2.8 hrABS Pump2.8 hrABS Wheel Speed Sensor - Front2.8 hrRear Differential on similar vehicles1997 Acura CL 2.2L I44 hr1997 Acura CL 3.0L V64 hr1998 Acura CL 2.2L I44 hr1998 Acura CL 3.0L V64 hr1999 Acura CL 2.2L I44 hr1999 Acura CL 3.0L V64 hr📝 Suggest a correction to this labor time