Fluid · Engine Oil
Engine Oil
for 1998 Dodge Ram 2500 5.9L I6 Cummins Diesel · 4WD
Fluid Type
15W-40 diesel oil
Spec: API CG-4 or CI-4
Capacity
12qt
11.35 L
Drain & Refill
12 qt
11.35 L
Change Interval
5,000 mi
8,045 km
Notes
Includes oil filter. Cummins 12-valve engine (1998 early) or 24-valve engine (1998.5 late). Can use 5W-40 synthetic in cold climates.
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