for 2021 GMC Sierra 1500 3.0L I6 Duramax Diesel · RWD
Fluid Type
Mobil 1 Synthetic LV ATF HP
Spec: GM TES 468
Capacity
12qt
11.35 L
Drain & Refill
5 qt
4.73 L
Notes
10-speed automatic (10L1000). Fill-for-life per GM, but severe service drain-and-fill recommended at 45000-60000 miles. Pan holds approximately 5 quarts.
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