Universal Air HT399156C HVAC Heater Core

Heater Core for Acura EL and Honda Civic

Universal Air HT399156C is an aluminum HVAC heater core for select Acura EL and Honda Civic applications. It is built for direct-fit replacement use in vehicles that need dependable cabin heat and stable coolant-to-air heat transfer.

Key Features

• Aluminum heater core construction
• Fits 2000-2005 Acura EL, N/A
• Fits 2001-2005 Honda Civic, N/A
• HVAC heater core for cabin heating service
• Universal Air Heater Core Aluminum product line
• Part number HT399156C for application matching

Product Details

This Universal Air Heater Core Aluminum unit, part number HT399156C, is made for HVAC systems in select Acura EL and Honda Civic models. As a heater core, it transfers heat from engine coolant into the passenger compartment through the HVAC case, supporting normal defrost and cabin heat operation. The aluminum design is suited to replacement service where the original heater core has failed or is leaking.

Common Repair Symptoms

• Loss of cabin heat in cold weather
• Sweet coolant odor inside the vehicle
• Fogging or poor defrost performance
• Coolant loss traced to the HVAC system
• Wet carpet or moisture near the heater case

Installation Notes

Verify vehicle fitment by year and model before installation. Heater core replacement typically requires access to the HVAC case and careful handling of coolant lines and seals. Flush the cooling system and inspect related hoses, clamps, and the heater control system before returning the vehicle to service. Confirm the part number HT399156C matches the application before installation.

Quality Assurance

Universal Air HT399156C is listed for direct application coverage on 2000-2005 Acura EL and 2001-2005 Honda Civic models. Use the confirmed fitment data to match the heater core to the vehicle before purchase.