Fluid · Coolant
Coolant
for 2026 Ram 2500 6.7L I6 Cummins Diesel · RWD
Fluid Type
OAT coolant 50/50 premix
Spec: MS-12106
Capacity
28qt
26.49 L
Drain & Refill
24 qt
22.7 L
Change Interval
150,000 mi
241,350 km
Data quality
Book-style estimate
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Notes
Mopar OAT coolant, purple/violet color. 10-year/150k mile interval
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Other fluid systems on this vehicle
A/C Refrigerant
A/C Refrigerant
Brake Fluid
1 qt
Brake Fluid
1 qt
Engine Oil
12 qt
Engine Oil
12 qt
Front Differential
3.5 qt
Power Steering
1.8 qt
Power Steering
1.8 qt
Rear Differential
5.6 qt
Rear Differential
5.6 qt
Transfer Case
2.5 qt
Automatic Transmission
17.4 qt
Automatic Transmission
17.4 qt
Washer Fluid
4.5 qt
Washer Fluid
4.5 qt