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2003 GMC SIERRA 3500
6.6L V8 Diesel•4WD•diesel•LB7•turbo
1 active safety recall on this vehicle — view recalls
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Repairs0Labor1054Torque274Fluid20DTC1838Battery2Maintenance0Recalls1
Fluid · Engine Oil

Engine Oil

for 2003 GMC Sierra 3500 6.6L V8 Diesel · 4WD
Fluid Type
15W-40 diesel oil
Spec: API CI-4 or CJ-4
Capacity
10qt
9.46 L
Drain & Refill
10 qt
9.46 L
Change Interval
5,000 mi
8,045 km

Notes

Capacity includes filter. LB7 Duramax 6.6L diesel. Can use 5W-40 synthetic in cold climates

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Other fluid systems on this vehicle

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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