Fluid · Engine Oil
Engine Oil
for 2016 GMC Sierra 3500HD 6.6L V8 Duramax Diesel · 4WD
Fluid Type
15W-40 CJ-4 or 5W-40 synthetic
Spec: API CJ-4
Capacity
10qt
9.46 L
Drain & Refill
10 qt
9.46 L
Change Interval
5,000 mi
8,045 km
Notes
LML Duramax with filter change. Use 15W-40 for normal conditions, 5W-40 synthetic for extreme cold
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.