This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
with Aluminum Inlet
Aluminum Inlet refers to the Heater Valve Inlet Tube. This core is most easily identified by the positioning of the Inlet Tube and the Heater Valve. The tube and the valve are located on the end of the core in a "stacked" position one above the other.
Plastic Inlet refers to the Heater Valve Inlet Tube. This core is most easily identified by the positioning of the Inlet Tube and the Heater Valve. The tube and valve are located on the end of the core in a forward and rear position.