1992 Jeep Comanche Pioneer. 1991-1992 Jeep Comanche Base 4.0L 6 Cyl. 1991 Jeep Comanche Pioneer 4.0L 6 Cyl. 1991-1992 Jeep Comanche Eliminator RWD. Notes: Water Temperature Sensor. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.