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2018 RAM 3500
6.7L I6 Cummins•4WD•diesel•ISB•turbo
11 active safety recalls on this vehicle — view recalls
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Repairs0Labor1055Torque274Fluid20DTC2084Battery2Maintenance0Recalls11
Fluid · A/C Refrigerant

A/C Refrigerant

for 2018 Ram 3500 6.7L I6 Cummins · 4WD
Fluid Type
R-1234yf

Notes

US/Canada-market vehicles switched to R-1234yf from 2018. Mexico-assembled Ram 3500s may have continued with R-134a for some period after US/Canada switch Always verify the underhood charge label — charge weight is a fill-to spec.

Other fluid systems on this vehicle

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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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