HomeHVAC > Motors, Core, Case and Related ComponentsUniversal Air HT399963C HVAC Heater Core
Part #: HT399963C

Universal Air HT399963C HVAC Heater Core

Heater Core Aluminum
43 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Heater Core Aluminum
Fitment: Honda and Acura, Crosstour, TSX, Accord, and Accord Crosstour
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Reliable HVAC Heater Core Replacement for Acura and Honda

The Universal Air Heater Core Aluminum HT399963C is designed to restore efficient heating performance in select Acura and Honda vehicles. Engineered to meet OEM specifications, this heater core ensures proper cabin temperature control for models like the Accord, Accord Crosstour, Crosstour, and TSX.

  • Compatible with Acura and Honda Accord, Accord Crosstour, Crosstour, and TSX models
  • Durable aluminum construction for effective heat transfer and corrosion resistance
  • Part number HT399963C for precise fit and easy identification
  • Direct replacement HVAC heater core designed for optimal performance
  • Manufactured by Universal Air, a trusted brand in automotive HVAC components

About the Heater Core Aluminum Product Line

The Heater Core Aluminum line from Universal Air focuses on delivering heater cores constructed with aluminum material, which offers improved heat dissipation and resistance to corrosion compared to traditional copper cores. This product line is tailored to provide reliable heating solutions for various vehicle makes and models, including the Acura and Honda vehicles compatible with part number HT399963C.

Product Description and Application

This HVAC heater core is a critical component of the vehicle’s heating and ventilation system. It functions by transferring heat from the engine coolant to the cabin air, ensuring comfortable interior temperatures during colder conditions. The Universal Air HT399963C heater core is specifically designed to fit Acura and Honda models such as the Accord, Accord Crosstour, Crosstour, and TSX, providing a direct replacement that maintains factory performance standards.

Common Issues Addressed by This Heater Core

  • Insufficient cabin heat due to clogged or leaking heater core
  • Coolant leaks inside the vehicle causing foggy windows or damp carpets
  • Overheating engine symptoms related to heater core failure
  • Unpleasant odors from coolant entering the cabin
  • Reduced HVAC system efficiency impacting passenger comfort

Installation Notes and Tips

  • Ensure compatibility by verifying vehicle make, model, and year before installation
  • Drain the cooling system prior to removal to prevent coolant spills
  • Handle the aluminum core carefully to avoid damage to fins and tubes
  • Replace any worn or damaged seals and hoses during installation
  • Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

Universal Air manufactures the HT399963C heater core to meet industry standards for durability and performance. While specific warranty details may vary, this part is produced under strict quality control processes to ensure reliable operation in compatible Acura and Honda vehicles. Always consult the product documentation or supplier for warranty information related to this heater core.

This part fits 43 vehicles. Search below:

YearMakeModelSubmodel# DoorsLitersCylindersPositionNotes
2015HondaCrosstour3.5LV6N/AHeater Core Aluminum
2014AcuraTSXN/AHeater Core Aluminum
2014HondaCrosstour3.5LV6N/AHeater Core Aluminum
2013AcuraTSXN/AHeater Core Aluminum
2013HondaCrosstour3.5LV6N/AHeater Core Aluminum
2012AcuraTSXN/AHeater Core Aluminum
2012HondaAccordEX-L4 Door2.4LL4N/AHeater Core Aluminum
2012HondaAccordEX-L2 Door3.5LV6N/AHeater Core Aluminum
2012HondaAccordLX-S2 Door2.4LL4N/AHeater Core Aluminum
2012HondaAccordHFP2 Door3.5LV6N/AHeater Core Aluminum
2012HondaAccordEX2 Door3.5LV6N/AHeater Core Aluminum
2012HondaCrosstour3.5LV6N/AHeater Core Aluminum
2011AcuraTSXN/AHeater Core Aluminum
2011HondaAccordLX4 DoorN/AHeater Core Aluminum
2011HondaAccordEX2 DoorN/AHeater Core Aluminum
2011HondaAccordEX-L4 DoorN/AHeater Core Aluminum
2011HondaAccord CrosstourN/AHeater Core Aluminum
2010AcuraTSXN/AHeater Core Aluminum
2010HondaAccordEX2 Door3.5LV6N/AHeater Core Aluminum
2010HondaAccordEX4 Door2.4LL4N/AHeater Core Aluminum
2010HondaAccordEX2 Door2.4LL4N/AHeater Core Aluminum
2010HondaAccordLX-P4 Door2.4LL4N/AHeater Core Aluminum
2010HondaAccordLX4 Door2.4LL4N/AHeater Core Aluminum
2010HondaAccordEX-L2 Door2.4LL4N/AHeater Core Aluminum
2010HondaAccordEX-L4 Door2.4LL4N/AHeater Core Aluminum
2010HondaAccordEX-L2 Door3.5LV6N/AHeater Core Aluminum
2010HondaAccordLX-S2 Door2.4LL4N/AHeater Core Aluminum
2010HondaAccord CrosstourN/AHeater Core Aluminum
2009AcuraTSXN/AHeater Core Aluminum
2009HondaAccordLX2.4LL4N/AHeater Core Aluminum
2009HondaAccordEX2.4LL4N/AHeater Core Aluminum
2009HondaAccordEX3.5LV6N/AHeater Core Aluminum
2009HondaAccordEX-L3.5LV6N/AHeater Core Aluminum
2009HondaAccordEX-L2.4LL4N/AHeater Core Aluminum
2009HondaAccordLX-P2.4LL4N/AHeater Core Aluminum
2009HondaAccordLX-S2.4LL4N/AHeater Core Aluminum
2008HondaAccordLX2.4LL4N/AHeater Core Aluminum
2008HondaAccordEX2.4LL4N/AHeater Core Aluminum
2008HondaAccordLX-P2.4LL4N/AHeater Core Aluminum
2008HondaAccordLX-S2.4LL4N/AHeater Core Aluminum
2008HondaAccordEX3.5LV6N/AHeater Core Aluminum
2008HondaAccordEX-L3.5LV6N/AHeater Core Aluminum
2008HondaAccordEX-L2.4LL4N/AHeater Core Aluminum

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.