The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 2019-2024 RAM with 6.7L Cummins. The auxiliary port is threaded to accept a -10AN (7/8 inch-14) fitting to allow you to customize your coolant routings and includes port plug FPE-SP-7814.
Application Notes:

• Direct replacement for thermostat elbow included in our coolant bypass kits: FPE-CLNTBYPS-CUMMINS-19.
• Direct replacement for 2019-2024 Cummins 6.7L coolant thermostat housing.
• Auxiliary port is threaded to accept a -10AN (7/8 inch-14) fitting