Engine Oil

for 1994-2007 Dodge Ram 2500 5.9L I6 Cummins Diesel · 4WD

Fluid Type

15W-40 diesel engine oil

Spec: API CJ-4

Capacity

12qt

11.35 L

Drain & Refill

12 qt

11.35 L

Change Interval

5,000 mi

8,045 km

Notes

Capacity with filter. Varies by model year: 1994-1998 12-valve (11 qt), 1998.5-2002 24-valve (11 qt), 2003-2007 common rail (12 qt). Use API spec appropriate to year: CG-4 for early, CI-4+ for 2003+

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Other fluid systems on this vehicle

Automatic Transmission

14 qt

Washer Fluid

4 qt

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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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