Description
Cummins 3946849 is an OEM coolant thermostat (190°F) used on several Cummins B-Series engines. It is commonly listed for:
5.9L ISB Cummins applications, including many 1998.5-2002 Dodge Ram 2500/3500 trucks.
6.7L ISB/QSB Euro 3 engine applications.
Part Details
Part Number: 3946849
Description: Thermostat
Opening Temperature: 190°F (88°C)






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