Coolant

for 2019 Ram 3500 6.7L I6 Cummins Diesel · RWD

Fluid Type

OAT coolant (HOAT) 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

Notes

Organic Additive Technology (OAT) coolant, typically orange. System capacity approximately 7 gallons. 10 years or 150,000 miles, then every 5 years/100,000 miles.

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Other fluid systems on this vehicle

Automatic Transmission

18 qt

Washer Fluid

4.5 qt

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

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