Engine Oil

for 2021 Ford F-450 6.7L V8 Power Stroke · 4WD

Fluid Type

10W-30 CK-4 full synthetic or 5W-40 CK-4 full synthetic

Spec: WSS-M2C171-F1 (API CK-4)

Capacity

15qt

14.19 L

Drain & Refill

15 qt

14.19 L

Change Interval

5,000 mi

8,045 km

Notes

6.7L Power Stroke diesel with filter. Ford recommends 10W-30 for most conditions, 5W-40 for sustained high temps. Severe service: 7500 miles or per oil life monitor

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Other fluid systems on this vehicle

Automatic Transmission

18.5 qt

Washer Fluid

1.3 qt

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🔧 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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