Fluid · Coolant
Coolant
for 2003 GMC Sierra 1500 6.0L V8 Vortec · 4WD
Fluid Type
Dex-Cool 50/50
Spec: GM 6277M
Capacity
16.5qt
15.61 L
Drain & Refill
13 qt
12.3 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Orange extended-life coolant, larger capacity with 6.0L engine
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