Fluid · Coolant
Coolant
for 2021 Ford F-550 6.7L V8 Power Stroke · 4WD
Fluid Type
Motorcraft Orange pre-diluted
Spec: WSS-M97B44-D2
Capacity
34qt
32.16 L
Drain & Refill
28 qt
26.49 L
Change Interval
100,000 mi
160,900 km
Data quality
Book-style estimate
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Notes
6.7L Power Stroke uses large capacity cooling system. Use only specified orange coolant, never Dexcool