Fluid · Transfer Case
Transfer Case
for 2020 GMC Sierra 1500 5.3L V8 · 4WD
Fluid Type
Autotrac II transfer case fluid
Spec: GM P/N 12378508 or equivalent
Capacity
2qt
1.89 L
Drain & Refill
2 qt
1.89 L
Data quality
Book-style estimate
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Notes
4WD models with Autotrac II transfer case. Use only specified transfer case fluid, NOT ATF or gear oil. Service if severe duty or towing.