Fluid · Automatic Transmission
Automatic Transmission
for 2026 GMC Yukon XL 5.3L V8 · 4WD
Fluid Type
Mobil 1 Synthetic LV ATF HP (red)
Spec: GM P/N 19355656 or equivalent meeting GM dexron-ULV spec
Capacity
12.7qt
12.01 L
Drain & Refill
5.5 qt
5.2 L
Change Interval
45,000 mi
72,405 km
Data quality
Book-style estimate
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Notes
10-speed 10L80 transmission. Total capacity ~12.7qt, drain-and-refill ~5.5qt. Under severe service: 45k miles