Fluid · Engine Oil
Engine Oil
for 2021 Chevrolet Express 6.6L V8 Duramax Diesel · RWD
Fluid Type
15W-40 diesel oil
Spec: API CK-4
Capacity
10qt
9.46 L
Drain & Refill
10 qt
9.46 L
Change Interval
5,000 mi
8,045 km
Notes
6.6L Duramax turbo diesel with filter, can use 5W-40 synthetic in cold climates
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