Automatic Transmission

for 2021 Ford F-150 3.5L V6 EcoBoost · 4WD

Fluid Type

Motorcraft MERCON ULV

Spec: MERCON ULV

Capacity

17.4qt

16.46 L

Drain & Refill

6.5 qt

6.15 L

Change Interval

150,000 mi

241,350 km

Notes

10R80 10-speed automatic transmission. Total capacity includes torque converter. Ford specifies normal service fill-for-life but severe duty requires service at 150k miles.

Other fluid systems on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.

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