Fluid · Coolant
Coolant
for 2025 Chevrolet Suburban 3.0L I6 Duramax · 4WD
Fluid Type
Dex-Cool 50/50
Spec: DEX-COOL approved
Capacity
23qt
21.76 L
Drain & Refill
20 qt
18.92 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
First change at 150k miles, then every 5 years/150k
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