Fluid · Coolant
Coolant
for 1994 GMC Sierra 2500 7.4L V8 454 · 4WD
Fluid Type
Dex-Cool 50/50
Spec: GM 6277M
Capacity
28qt
26.49 L
Drain & Refill
24 qt
22.7 L
Change Interval
100,000 mi
160,900 km
Data quality
Book-style estimate
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Notes
Orange long-life coolant. Initial fill good for 5yr/150k, then every 5yr/100k.
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