Fluid · Coolant
Coolant
for 2003 Chevrolet Suburban 2500 8.1L V8 Vortec · 4WD
Fluid Type
Dex-Cool 50/50 orange
Spec: GM 6277M or equivalent
Capacity
24qt
22.7 L
Drain & Refill
22 qt
20.81 L
Change Interval
150,000 mi
241,350 km
Data quality
✓ Verified
Cross-checked against OEM or multiple independent sources.
Notes
8.1L has larger cooling system capacity; first change at 5 years/150k miles
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