Fluid · Coolant
Coolant
for 2004 Chevrolet Express 6.6L V8 Duramax Diesel · RWD
Fluid Type
Dex-Cool 50/50
Spec: GM Part 12346290 or equivalent
Capacity
31qt
29.33 L
Drain & Refill
23 qt
21.76 L
Change Interval
150,000 mi
241,350 km
Notes
Orange extended life coolant; diesel engines have larger cooling systems
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