Fluid · Rear Differential
Rear Differential
for 1999 Ram 2500 5.9L I6 · 4WD
Fluid Type
75W-90 synthetic gear oil
Spec: API GL-5
Capacity
4.75qt
4.49 L
Drain & Refill
4.75 qt
4.49 L
Change Interval
50,000 mi
80,450 km
Notes
Dana 80 rear axle (typical for diesel). Use limited-slip additive if equipped with Trac-Lok. 10.5" axle uses ~4.2 qts.
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Other fluid systems on this vehicle
A/C Refrigerant
A/C Refrigerant
Brake Fluid
1.5 qt
Brake Fluid
1.5 qt
Coolant
28 qt
Coolant
28 qt
Engine Oil
11 qt
Engine Oil
11 qt
Front Differential
3 qt
Power Steering
2.5 qt
Power Steering
2.5 qt
Transfer Case
2.5 qt
Automatic Transmission
14 qt
Automatic Transmission
14 qt
Manual Transmission
4 qt
Manual Transmission
4 qt
Washer Fluid
4 qt
Washer Fluid
4 qt