HomeHVAC > Motors, Core, Case and Related ComponentsUniversal Air HT398351C HVAC Heater Core - Rear
Part #: HT398351C

Universal Air HT398351C HVAC Heater Core - Rear

Heater Core Aluminum, Rear
⚙️ 93 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Core Aluminum, Rear
🚗Fitment: Ford, Mercury, and Lincoln, Explorer, Mountaineer, Freestar, Monterey, Expedition, Navigator, Excursion, Aviator, Explorer Sport, and Windstar
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Reliable HVAC Heater Core for Ford, Lincoln, and Mercury Vehicles

The Universal Air Heater Core Aluminum HT398351C is designed to restore efficient heating performance in select Ford, Lincoln, and Mercury models. Engineered to meet OEM specifications, this HVAC heater core ensures consistent cabin warmth and comfort during colder months.

  • Compatible with Ford Aviator, Excursion, Expedition, Explorer, Explorer Sport, Freestar, Mountaineer, Navigator, and Mercury Windstar
  • Durable aluminum construction for effective heat transfer and corrosion resistance
  • Part number HT398351C for precise fit and easy identification
  • Direct replacement for HVAC heater core components in specified vehicles
  • Designed to integrate seamlessly with existing HVAC systems

About the Heater Core Aluminum Product Line

The Heater Core Aluminum line from Universal Air focuses on delivering heater cores constructed from aluminum, a material known for its thermal conductivity and resistance to corrosion. This product line is tailored to provide reliable heating solutions for various vehicle HVAC systems, including the HT398351C, which fits multiple Ford, Lincoln, and Mercury models. The aluminum design supports efficient heat exchange, contributing to consistent cabin temperature control.

Product Details and Compatibility

The HT398351C HVAC heater core is specifically engineered for compatibility with a range of Ford, Lincoln, and Mercury vehicles, including the Aviator, Excursion, Expedition, Explorer, Explorer Sport, Freestar, Mountaineer, Navigator, and Windstar. This part replaces the original heater core to restore proper heating function within the vehicle’s HVAC system. Its aluminum construction enhances durability and heat transfer efficiency, making it a practical choice for maintaining vehicle comfort.

Common Issues Addressed by This Heater Core

  • Insufficient cabin heat during cold weather
  • Coolant leaks inside the vehicle’s HVAC system
  • Reduced heating efficiency due to clogged or damaged cores
  • Unpleasant odors caused by heater core deterioration
  • Fogging or moisture buildup on interior windows

Installation Notes and Tips

  • Ensure compatibility with your specific vehicle make and model before installation
  • Drain the cooling system prior to removal of the old heater core
  • Handle the aluminum core carefully to avoid damage during installation
  • Check all HVAC connections and seals for leaks after installation
  • Refill and bleed the cooling system to remove air pockets

Quality Assurance and Warranty

The Universal Air Heater Core Aluminum HT398351C is manufactured to meet industry standards for durability and performance. While specific warranty details may vary, Universal Air products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.

This part fits 93 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2010FordExplorerLimitedRearHeater Core Aluminum
2010FordExplorerEddie BauerRearHeater Core Aluminum
2010FordExplorerXLTRearHeater Core Aluminum
2010MercuryMountaineerRearHeater Core Aluminum
2009FordExplorerRearHeater Core Aluminum
2009MercuryMountaineerRearHeater Core Aluminum
2008FordExplorerRearHeater Core Aluminum
2008MercuryMountaineerRearHeater Core Aluminum
2007FordExplorerRearHeater Core Aluminum
2007FordFreestarLimited4.2LV6RearHeater Core Aluminum
2007FordFreestarSE3.9LV6RearHeater Core Aluminum
2007FordFreestarSport4.2LV6RearHeater Core Aluminum
2007FordFreestarBase3.9LV6RearHeater Core Aluminum
2007FordFreestarLX Plus4.2LV6RearHeater Core Aluminum
2007FordFreestarSEL4.2LV6RearHeater Core Aluminum
2007FordFreestarSE4.2LV6RearHeater Core Aluminum
2007FordFreestarLX Base4.2LV6RearHeater Core Aluminum
2007MercuryMountaineerRearHeater Core Aluminum
2006FordExpeditionRearHeater Core Aluminum
2006FordExplorerRearHeater Core Aluminum
2006FordFreestarRearHeater Core Aluminum
2006LincolnNavigatorRearHeater Core Aluminum
2006MercuryMountaineerRearHeater Core Aluminum
2005FordExcursionLimitedN/AHeater Core Aluminum
2005FordExcursionXLSRearHeater Core Aluminum
2005FordExcursionEddie BauerN/AHeater Core Aluminum
2005FordExcursionXLTN/AHeater Core Aluminum
2005FordExpeditionRearHeater Core Aluminum
2005FordExplorerRearHeater Core Aluminum
2005FordFreestarRearHeater Core Aluminum
2005FordFreestarN/AHeater Core Aluminum
2005LincolnAviatorRearHeater Core Aluminum
2005LincolnNavigatorBaseRearHeater Core Aluminum
2005MercuryMountaineerRearHeater Core Aluminum
2004FordExcursionRearHeater Core Aluminum
2004FordExpedition4.6LV8RearHeater Core Aluminum
2004FordExpedition5.4LV8RearHeater Core Aluminum
2004FordExplorerRearHeater Core Aluminum
2004FordFreestarSRearHeater Core Aluminum
2004FordFreestarLimitedRearHeater Core Aluminum
2004FordFreestarSELRearHeater Core Aluminum
2004FordFreestarSERearHeater Core Aluminum
2004FordFreestarBaseRearHeater Core Aluminum
2004FordFreestarSportRearHeater Core Aluminum
2004FordFreestarSESRearHeater Core Aluminum
2004LincolnAviatorRearHeater Core Aluminum
2004LincolnNavigatorRearHeater Core Aluminum
2004MercuryMountaineerRearAluminum; Heater Core Aluminum
2003FordExcursionRearHeater Core Aluminum
2003FordExpedition5.4LV8RearHeater Core Aluminum
2003FordExpedition4.6LV8RearHeater Core Aluminum
2003FordExplorerRearHeater Core Aluminum
2003FordExplorer SportRearHeater Core Aluminum
2003FordWindstarBaseRearHeater Core Aluminum
2003FordWindstarLXRearHeater Core Aluminum
2003FordWindstarSELRearHeater Core Aluminum
2003FordWindstarLimitedRearHeater Core Aluminum
2003FordWindstarSERearHeater Core Aluminum
2003FordWindstarSportRearHeater Core Aluminum
2003LincolnAviatorRearHeater Core Aluminum
2003LincolnNavigatorRearHeater Core Aluminum
2003MercuryMountaineerRearHeater Core Aluminum
2002FordExcursion6.8LV10GASRearHeater Core Aluminum
2002FordExcursion5.4LV8GASRearHeater Core Aluminum
2002FordExcursion7.3LV8DIESELN/AHeater Core Aluminum
2002FordExplorerRearHeater Core Aluminum
2002FordExplorer SportRearHeater Core Aluminum
2002FordWindstarLimitedRearHeater Core Aluminum
2002FordWindstarLXRearHeater Core Aluminum
2002FordWindstarBaseRearHeater Core Aluminum
2002FordWindstarSERearHeater Core Aluminum
2002FordWindstarSE SportRearHeater Core Aluminum
2002FordWindstarSELRearHeater Core Aluminum
2002MercuryMountaineerRearHeater Core Aluminum
2001FordExcursionRearHeater Core Aluminum
2001FordExplorer SportRearHeater Core Aluminum
2001FordWindstarLimitedRearHeater Core Aluminum
2001FordWindstarBaseRearHeater Core Aluminum
2001FordWindstarSERearHeater Core Aluminum
2001FordWindstarLXRearHeater Core Aluminum
2001FordWindstarSE SportRearHeater Core Aluminum
2001FordWindstarSELRearHeater Core Aluminum
2000FordExcursionRearHeater Core Aluminum
2000FordWindstarLimitedRearHeater Core Aluminum
2000FordWindstarBaseRearHeater Core Aluminum
2000FordWindstarSERearHeater Core Aluminum
2000FordWindstarLXRearHeater Core Aluminum
2000FordWindstarSELRearHeater Core Aluminum
1999FordWindstarSERearHeater Core Aluminum
1999FordWindstarLXRearHeater Core Aluminum
1999FordWindstar3.0LRearHeater Core Aluminum
1999FordWindstarSELRearHeater Core Aluminum
1999FordWindstarBaseRearHeater 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.