Universal Air HT399184C HVAC Heater Core

Heater Core for Nissan Altima

Universal Air HT399184C is an aluminum HVAC heater core for select Nissan Altima applications. It is listed for 2003-2006 Nissan Altima and also for 2002 Nissan Altima equipped with a 2nd design A/C receiver drier.

• Aluminum heater core construction
• HVAC heater core replacement for the heating system
• Direct fit application coverage for select Nissan Altima models
• Part number HT399184C for ordering and catalog lookup

Fitment Details

Fits 2003-2006 Nissan Altima, N/A.

Fits 2002 Nissan Altima, N/A, with 2nd design A/C receiver drier.

This part cross-references no additional part numbers listed for the same application.

What It Helps Address

• Weak or inconsistent cabin heat
• Coolant leakage at the heater core
• Restricted heat transfer inside the HVAC system
• Fogging or defrost performance issues tied to poor heater output

Installation Notes

Verify the vehicle year and HVAC configuration before ordering. For 2002 Nissan Altima applications, confirm the vehicle is equipped with the 2nd design A/C receiver drier. Match the part number HT399184C to the existing heater core and inspect the HVAC housing, coolant lines, and seals during replacement.

Quality Assurance

Universal Air HT399184C is cataloged as a heater core aluminum replacement for the listed Nissan Altima fitments. Confirm fitment against the vehicle’s year and HVAC configuration prior to installation.