Fluid · Coolant
Coolant
for 2021 GMC Yukon 3.0L I6 Duramax Diesel · 4WD
Fluid Type
Dex-Cool 50/50 orange
Spec: GM6277M
Capacity
15qt
14.19 L
Drain & Refill
13.5 qt
12.77 L
Change Interval
150,000 mi
241,350 km
Notes
DEX-COOL extended life coolant. First change at 150k miles, then every 5 years/150k
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