HomeHVAC > Motors, Core, Case and Related ComponentsUniversal Air HT400022C HVAC Heater Core
Part #: HT400022C

Universal Air HT400022C HVAC Heater Core

Heater Core Aluminum
⚙️ 63 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Core Aluminum
🚗Fitment: Audi and Volkswagen, 80, 80 Quattro, 90, 90 Quattro, A4, A4 Quattro, Cabriolet, Coupe Quattro, EuroVan, Passat, RS4, and S4
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Reliable HVAC Heater Core Replacement for Audi and Volkswagen

The Universal Air Heater Core Aluminum HT400022C is designed to restore efficient heating performance in select Audi and Volkswagen models. This HVAC heater core provides a durable solution for vehicles experiencing heating system issues.

  • Compatible with Audi 80, 80 Quattro, 90, 90 Quattro, A4, A4 Quattro, Cabriolet, Coupe Quattro, RS4, and S4 models
  • Also fits Volkswagen EuroVan and Passat models
  • Constructed from aluminum for enhanced heat transfer and corrosion resistance
  • Part number HT400022C ensures precise fit and function
  • Direct replacement for original equipment heater cores

About the Heater Core Aluminum Product Line

The Heater Core Aluminum line from Universal Air focuses on delivering HVAC components made from aluminum, which offers improved thermal conductivity and resistance to corrosion compared to traditional materials. This product line is engineered to meet the specific heating requirements of European vehicles, including Audi and Volkswagen models, ensuring reliable cabin heating and climate control.

Product Details and Compatibility

The HT400022C heater core is engineered to fit a range of Audi and Volkswagen vehicles, including the Audi 80, 80 Quattro, 90, 90 Quattro, A4, A4 Quattro, Cabriolet, Coupe Quattro, RS4, and S4, as well as the Volkswagen EuroVan and Passat. Its aluminum construction supports efficient heat exchange, helping to maintain comfortable cabin temperatures. This heater core is a direct replacement part designed to integrate seamlessly with the vehicle's existing HVAC system.

Common Issues Addressed by This Heater Core

  • Reduced or no heat output from the vehicle’s heating system
  • Coolant leaks inside the cabin or under the dashboard
  • Fogging or moisture buildup on interior windows
  • Overheating of the engine due to heater core failure
  • Unpleasant odors caused by coolant leaks

Installation Notes and Tips

Installation of the HT400022C heater core requires removal of the dashboard and HVAC housing in most compatible Audi and Volkswagen models. It is recommended to drain the cooling system before removal to prevent spills. Careful handling is necessary to avoid damage to the aluminum core fins. Professional installation is advised to ensure proper fitment and system integrity.

Quality Assurance and Warranty

Universal Air’s Heater Core Aluminum HT400022C is manufactured to meet OEM standards for fit and function. While specific warranty details are not provided, Universal Air products typically undergo quality control testing to ensure durability and performance in automotive HVAC applications.

This part fits 63 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2005VolkswagenPassatN/Awith Automatic A/C; Heater Core Aluminum
2004VolkswagenEuroVanN/AHeater Core Aluminum
2004VolkswagenPassatN/Awith Automatic A/C; with Manual A/C Controls; Heater Core Aluminum
2003VolkswagenEuroVanN/AHeater Core Aluminum
2003VolkswagenPassatN/Awith Automatic A/C; with Manual A/C Controls; Heater Core Aluminum
2002AudiRS4N/AHeater Core Aluminum
2002AudiS4N/AHeater Core Aluminum
2002VolkswagenEuroVanN/AHeater Core Aluminum
2002VolkswagenPassatN/Awith Automatic A/C; with Manual A/C Controls; Heater Core Aluminum
2001AudiA4N/AHeater Core Aluminum
2001AudiA4 QuattroN/AHeater Core Aluminum
2001AudiS4N/AHeater Core Aluminum
2001VolkswagenEuroVanN/AHeater Core Aluminum
2001VolkswagenPassatN/Awith Manual A/C Controls; Heater Core Aluminum
2000AudiA4N/AHeater Core Aluminum
2000AudiA4 QuattroBase1.8LL4N/AHeater Core Aluminum
2000AudiA4 QuattroBase2.8LV6N/AHeater Core Aluminum
2000AudiA4 QuattroAvant1.8LL4N/AHeater Core Aluminum
2000AudiA4 QuattroAvant2.8LV6N/AHeater Core Aluminum
2000AudiS4N/AHeater Core Aluminum
2000VolkswagenEuroVanN/AHeater Core Aluminum
2000VolkswagenPassatN/Awith Manual A/C Controls; Heater Core Aluminum
1999AudiA4N/AHeater Core Aluminum
1999AudiA4 QuattroBase2.8LV6N/AHeater Core Aluminum
1999AudiA4 QuattroBase1.8LL4N/AHeater Core Aluminum
1999AudiA4 QuattroAvant2.8LV6N/AHeater Core Aluminum
1999AudiA4 QuattroAvant1.8LL4N/AHeater Core Aluminum
1999VolkswagenPassatN/Awith Manual A/C Controls; Heater Core Aluminum
1998AudiA4N/AHeater Core Aluminum
1998AudiA4 QuattroBase1.8LL4N/AHeater Core Aluminum
1998AudiA4 QuattroBase2.8LV6N/AHeater Core Aluminum
1998AudiA4 QuattroAvant2.8LV6N/AHeater Core Aluminum
1998AudiCabrioletN/AHeater Core Aluminum
1997AudiA4N/AHeater Core Aluminum
1997AudiCabrioletN/AHeater Core Aluminum
1996AudiA4N/AHeater Core Aluminum
1996AudiCabrioletN/AHeater Core Aluminum
1995Audi90N/AHeater Core Aluminum
1995Audi90 QuattroN/AHeater Core Aluminum
1995AudiCabrioletN/AHeater Core Aluminum
1994Audi90N/AHeater Core Aluminum
1994Audi90 QuattroN/AHeater Core Aluminum
1994AudiCabrioletN/AHeater Core Aluminum
1993Audi90N/AHeater Core Aluminum
1993Audi90 QuattroN/AHeater Core Aluminum
1992Audi80N/AHeater Core Aluminum
1992Audi80 QuattroN/AHeater Core Aluminum
1991Audi80N/AHeater Core Aluminum
1991Audi80 QuattroN/AHeater Core Aluminum
1991Audi90N/AHeater Core Aluminum
1991Audi90 QuattroN/AHeater Core Aluminum
1991AudiCoupe QuattroN/AHeater Core Aluminum
1990Audi80N/AHeater Core Aluminum
1990Audi80 QuattroN/AHeater Core Aluminum
1990Audi90N/AHeater Core Aluminum
1990Audi90 QuattroN/AHeater Core Aluminum
1990AudiCoupe QuattroN/AHeater Core Aluminum
1989Audi80N/AHeater Core Aluminum
1989Audi80 QuattroN/AHeater Core Aluminum
1989Audi90N/AHeater Core Aluminum
1988Audi80N/AHeater Core Aluminum
1988Audi80 QuattroN/AHeater Core Aluminum
1988Audi90N/AHeater Core Aluminum

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