Fluid · Automatic Transmission
Automatic Transmission
for 2021 Chevrolet Silverado 3500HD 6.6L V8 Duramax L5P · 4WD
Fluid Type
Dexron VI ATF
Spec: GM Dexron VI
Capacity
17.4qt
16.46 L
Drain & Refill
5 qt
4.73 L
Change Interval
45,000 mi
72,405 km
Notes
Allison 10-speed 10L1000. Pan drop only removes ~5 qts. Total capacity includes torque converter
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