Fluid · Coolant
Coolant
for 2021 Chevrolet Silverado 1500 3.0L I6 Duramax LM2 · 4WD
Fluid Type
Dex-Cool 50/50 orange
Spec: GM 6277M / DEX-COOL
Capacity
14.5qt
13.72 L
Drain & Refill
12 qt
11.35 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Total system capacity, diesel cooling system
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