Call them whatever you want: weld fittings / mounting bosses (OE style) for 07 and newer 6.7 Dodge/Ram Cummins Diesel EGT sensors. This causes the sensor to frequently break off inside when trying to replace it.
1st Gen Cummins INTERCOOLER Dodge Ram Cummins diesel 1991-1993
165GPH Diesel Fuel Lift Pump System For 05-18 Dodge Ram Cummins Diesel TSD07165G
165GPH Diesel Fuel Lift Pump System For 05-16 Dodge Ram Cummins Diesel TSD07165G
165GPH Diesel Fuel Lift Pump System For 98-04 Dodge Ram Cummins Diesel TSD08165G
Transmission Kickdown / TV Cable 98-04 24 Valve Dodge Ram Cummins Diesel 5.9L
6.7L DODGE RAM Cummins Diesel Exhaust Fluid Injector (DEF) New OEM MOPAR