Homeโ€บ HVAC > Motors, Core, Case and Related Componentsโ€บ Universal Air HT399903C HVAC Heater Core
Part #: HT399903C

Universal Air HT399903C HVAC Heater Core

Heater Core Aluminum
151 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement โ€” Bolt-on fit, no modifications needed
Heater Core Aluminum
Fitment: Volkswagen, Cabrio, Golf, Beetle, Jetta, Passat, and Corrado
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Overview of Universal Air Heater Core Aluminum HT399903C

The Universal Air Heater Core Aluminum HT399903C is designed specifically for Volkswagen vehicles including the Beetle, Cabrio, Corrado, Golf, Jetta, and Passat models. This HVAC heater core provides reliable heating performance and is engineered to meet the demands of your vehicle's climate control system.

  • Compatible with Volkswagen Beetle, Cabrio, Corrado, Golf, Jetta, and Passat
  • Part number HT399903C for precise identification
  • Constructed from durable aluminum for efficient heat transfer
  • Direct replacement HVAC heater core for optimal fit and function
  • Part of the Universal Air Heater Core Aluminum product line

About the Heater Core Aluminum Product Line

The Heater Core Aluminum line from Universal Air focuses on delivering heater cores made from aluminum, which offers improved heat dissipation and corrosion resistance compared to traditional materials. This product line is designed to provide consistent heating performance and durability, making it suitable for Volkswagen models requiring reliable HVAC components.

Detailed Product Description

The HT399903C heater core is an essential component of the HVAC system in select Volkswagen vehicles. It functions by transferring heat from the engine coolant to the cabin air, ensuring comfortable interior temperatures during colder conditions. Manufactured with aluminum, this heater core offers enhanced thermal conductivity and resistance to corrosion, contributing to longer service life. The part is engineered to match OEM specifications, ensuring proper fitment and seamless integration with the vehicleโ€™s existing HVAC system.

Common Applications and Issues Addressed

  • Restores heating functionality in Volkswagen Beetle, Cabrio, Corrado, Golf, Jetta, and Passat models
  • Resolves issues related to insufficient cabin heat
  • Eliminates coolant leaks within the heater core assembly
  • Prevents fogging caused by heater core failure
  • Addresses overheating or coolant loss linked to a damaged heater core

Installation Notes and Tips

  • Ensure compatibility by verifying 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
  • Inspect and replace any worn hoses or seals connected to the heater core
  • Refill and bleed the cooling system properly after installation to prevent air pockets

Quality Assurance and Warranty

The Universal Air HT399903C heater core is manufactured to meet industry standards for quality and durability. While specific warranty details are not provided, Universal Air products typically undergo rigorous testing to ensure reliable performance. It is recommended to consult the product documentation or supplier for warranty information related to this part.

This part fits 151 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2002VolkswagenCabrioGLN/AHeater Core Aluminum
2002VolkswagenCabrioGLXN/AHeater Core Aluminum
2002VolkswagenCabrioGLSN/AHeater Core Aluminum
2001VolkswagenCabrioGLN/AHeater Core Aluminum
2001VolkswagenCabrioGLXN/AHeater Core Aluminum
2001VolkswagenCabrioGLSN/AHeater Core Aluminum
2000VolkswagenCabrioN/AHeater Core Aluminum
1999VolkswagenCabrioBaseN/AHeater Core Aluminum
1999VolkswagenCabrioGLSN/AHeater Core Aluminum
1999VolkswagenGolfN/AHeater Core Aluminum
1998VolkswagenBeetleTDI1.9LL4DIESELN/AHeater Core Aluminum
1998VolkswagenBeetleBase2.0LL4GASN/AHeater Core Aluminum
1998VolkswagenCabrioGLSN/AHeater Core Aluminum
1998VolkswagenCabrioBaseN/AHeater Core Aluminum
1998VolkswagenGolfN/AHeater Core Aluminum
1998VolkswagenJettaN/AHeater Core Aluminum
1997VolkswagenCabrioBaseN/AHeater Core Aluminum
1997VolkswagenCabrioHigh LineN/AHeater Core Aluminum
1997VolkswagenGolfN/AHeater Core Aluminum
1997VolkswagenJettaN/AHeater Core Aluminum
1997VolkswagenPassatGLXN/AHeater Core Aluminum
1997VolkswagenPassatTDIN/AHeater Core Aluminum
1996VolkswagenCabrioBaseN/AHeater Core Aluminum
1996VolkswagenGolfN/AHeater Core Aluminum
1996VolkswagenJettaN/AHeater Core Aluminum
1996VolkswagenPassatGLS2.0LL4GASN/AHeater Core Aluminum
1996VolkswagenPassatTDI1.9LL4DIESELN/AHeater Core Aluminum
1996VolkswagenPassatGLX2.8LV6GASN/AHeater Core Aluminum
1995VolkswagenCabrioN/AHeater Core Aluminum
1995VolkswagenCorradoN/AHeater Core Aluminum
1995VolkswagenGolfN/AHeater Core Aluminum
1995VolkswagenJettaGL2.0LL4GASN/AHeater Core Aluminum
1995VolkswagenJettaBase1.8LL4GASN/AHeater Core Aluminum
1995VolkswagenJettaGLS2.0LL4GASN/AHeater Core Aluminum
1995VolkswagenJettaCelebration Edition2.0LL4GASN/AHeater Core Aluminum
1995VolkswagenJettaGLX2.8LV6GASN/AHeater Core Aluminum
1995VolkswagenJettaCity2.0LL4GASN/AHeater Core Aluminum
1995VolkswagenJettaBase1.9LL4DIESELN/AHeater Core Aluminum
1995VolkswagenPassatN/AHeater Core Aluminum
1994VolkswagenCorradoN/AHeater Core Aluminum
1994VolkswagenGolfGL2.0LL4GASN/AHeater Core Aluminum
1994VolkswagenGolfLimited Edition2.0LL4GASN/AHeater Core Aluminum
1994VolkswagenGolfCL1.8LL4GASN/AHeater Core Aluminum
1994VolkswagenGolfCL1.9LL4DIESELN/AHeater Core Aluminum
1994VolkswagenGolfGTI2.0LL4GASN/AHeater Core Aluminum
1994VolkswagenJettaGL2.0LL4GASN/AHeater Core Aluminum
1994VolkswagenJettaGLX2.8LV6GASN/AHeater Core Aluminum
1994VolkswagenJettaGLS2.0LL4GASN/AHeater Core Aluminum
1994VolkswagenJettaLimited Edition2.0LL4GASN/AHeater Core Aluminum
1994VolkswagenJettaBase1.8LL4GASN/AHeater Core Aluminum
1994VolkswagenJettaBase1.9LL4DIESELN/AHeater Core Aluminum
1994VolkswagenJettaCL1.8LL4GASN/AHeater Core Aluminum
1994VolkswagenPassatN/AHeater Core Aluminum
1993VolkswagenCorradoN/AHeater Core Aluminum
1993VolkswagenGolfBase1.9LL4DIESELN/AHeater Core Aluminum
1993VolkswagenGolfGL2.0LL4GASN/AHeater Core Aluminum
1993VolkswagenGolfBase1.8LL4GASN/AHeater Core Aluminum
1993VolkswagenGolfCL1.8LL4GASN/AHeater Core Aluminum
1993VolkswagenGolfGTI2.0LL4GASN/AHeater Core Aluminum
1993VolkswagenJettaGL2.0LL4GASN/AHeater Core Aluminum
1993VolkswagenJettaBase1.9LL4DIESELN/AHeater Core Aluminum
1993VolkswagenJettaBase1.8LL4GASN/AHeater Core Aluminum
1993VolkswagenJettaGLS2.0LL4GASN/AHeater Core Aluminum
1993VolkswagenPassatGL2.0LL4GASN/AHeater Core Aluminum
1993VolkswagenPassatGLX2.8LV6GASN/AHeater Core Aluminum
1993VolkswagenPassatBase1.9LL4DIESELN/AHeater Core Aluminum
1993VolkswagenPassatGLS2.8LV6GASN/AHeater Core Aluminum
1993VolkswagenPassatSyncro1.8LL4GASN/AHeater Core Aluminum
1992VolkswagenCorradoN/AHeater Core Aluminum
1992VolkswagenGolfGL1.8LL4GASN/AHeater Core Aluminum
1992VolkswagenGolfGTI 16-Valve2.0LL4GASN/AHeater Core Aluminum
1992VolkswagenGolfGTI 8-Valve1.8LL4GASN/AHeater Core Aluminum
1992VolkswagenGolfGL1.6LL4DIESELN/AHeater Core Aluminum
1992VolkswagenGolfBase1.6LL4DIESELN/AHeater Core Aluminum
1992VolkswagenJettaGL1.8LL4N/AHeater Core Aluminum
1992VolkswagenJettaBase1.8LL4N/AHeater Core Aluminum
1992VolkswagenJettaCarat1.8LL4N/AHeater Core Aluminum
1992VolkswagenJettaGL1.6LL4N/AHeater Core Aluminum
1992VolkswagenJettaBase1.6LL4N/AHeater Core Aluminum
1992VolkswagenJettaGLI 16-Valve2.0LL4N/AHeater Core Aluminum
1992VolkswagenJettaGTX 16-V2.0LL4N/AHeater Core Aluminum
1992VolkswagenPassatGL2.0LL4N/AHeater Core Aluminum
1992VolkswagenPassatCL2.0LL4N/AHeater Core Aluminum
1992VolkswagenPassatSyncro1.8LL4N/AHeater Core Aluminum
1991VolkswagenCorradoN/AHeater Core Aluminum
1991VolkswagenGolfGL1.8LL4GASN/AHeater Core Aluminum
1991VolkswagenGolfBase1.6LL4DIESELN/AHeater Core Aluminum
1991VolkswagenGolfGTI 16-Valve2.0LL4GASN/AHeater Core Aluminum
1991VolkswagenGolfGTI 8-Valve1.8LL4GASN/AHeater Core Aluminum
1991VolkswagenJettaGL1.8LL4N/AHeater Core Aluminum
1991VolkswagenJettaGLI 16-Valve2.0LL4N/AHeater Core Aluminum
1991VolkswagenJettaCarat1.8LL4N/AHeater Core Aluminum
1991VolkswagenJettaGTX 16-V2.0LL4N/AHeater Core Aluminum
1991VolkswagenJettaGL1.6LL4N/AHeater Core Aluminum
1991VolkswagenJettaBase1.6LL4N/AHeater Core Aluminum
1991VolkswagenJettaBase1.8LL4N/AHeater Core Aluminum
1991VolkswagenPassatSyncro1.8LL4N/AHeater Core Aluminum
1991VolkswagenPassatGL2.0LL4N/AHeater Core Aluminum
1991VolkswagenPassatBase2.0LL4N/AHeater Core Aluminum
1990VolkswagenCorradoN/AHeater Core Aluminum
1990VolkswagenGolfGL1.8LL4GASN/AHeater Core Aluminum
1990VolkswagenGolfGTI 8-Valve1.8LL4GASN/AHeater Core Aluminum
1990VolkswagenGolfGTI 16-Valve2.0LL4GASN/AHeater Core Aluminum
1990VolkswagenGolfGL1.6LL4DIESELN/AHeater Core Aluminum
1990VolkswagenGolfBase1.6LL4DIESELN/AHeater Core Aluminum
1990VolkswagenJettaGL1.8LL4N/AHeater Core Aluminum
1990VolkswagenJettaGL1.6LL4N/AHeater Core Aluminum
1990VolkswagenJettaBase1.6LL4N/AHeater Core Aluminum
1990VolkswagenJettaBase1.8LL4N/AHeater Core Aluminum
1990VolkswagenJettaGLI 16-Valve2.0LL4N/AHeater Core Aluminum
1990VolkswagenJettaCarat1.8LL4N/AHeater Core Aluminum
1990VolkswagenJettaGTX 16-V2.0LL4N/AHeater Core Aluminum
1990VolkswagenPassatN/AHeater Core Aluminum
1989VolkswagenGolfGL1.6LL4DIESELN/AHeater Core Aluminum
1989VolkswagenGolfGL1.8LL4GASN/AHeater Core Aluminum
1989VolkswagenGolfBase1.6LL4DIESELN/AHeater Core Aluminum
1989VolkswagenGolfBase1.8LL4GASN/AHeater Core Aluminum
1989VolkswagenGolfGTI 16-Valve1.8LL4GASN/AHeater Core Aluminum
1989VolkswagenJettaBaseN/AHeater Core Aluminum
1989VolkswagenJettaGLI 16-ValveN/AHeater Core Aluminum
1989VolkswagenJettaGLN/AHeater Core Aluminum
1989VolkswagenJettaCaratN/AHeater Core Aluminum
1988VolkswagenGolfGL1.8LL4GASN/AHeater Core Aluminum
1988VolkswagenGolfBase1.8LL4GASN/AHeater Core Aluminum
1988VolkswagenGolfGT1.8LL4GASN/AHeater Core Aluminum
1988VolkswagenGolfGL1.6LL4DIESELN/AHeater Core Aluminum
1988VolkswagenGolfGTI 16-Valve1.8LL4GASN/AHeater Core Aluminum
1988VolkswagenJettaGL1.8LL4GASN/AHeater Core Aluminum
1988VolkswagenJettaBase1.6LL4DIESELN/AHeater Core Aluminum
1988VolkswagenJettaCarat1.8LL4GASN/AHeater Core Aluminum
1988VolkswagenJettaBase1.8LL4GASN/AHeater Core Aluminum
1988VolkswagenJettaGLI 16-Valve1.8LL4GASN/AHeater Core Aluminum
1988VolkswagenJettaGL1.6LL4DIESELN/AHeater Core Aluminum
1988VolkswagenJettaGLI1.8LL4GASN/AHeater Core Aluminum
1987VolkswagenGolfGL1.6LL4DIESELN/AHeater Core Aluminum
1987VolkswagenGolfGTI1.8LL4GASN/AHeater Core Aluminum
1987VolkswagenGolfGL1.8LL4GASN/AHeater Core Aluminum
1987VolkswagenGolfGT1.8LL4GASN/AHeater Core Aluminum
1987VolkswagenGolfGTI 16-Valve1.8LL4GASN/AHeater Core Aluminum
1987VolkswagenJettaGLI1.8LL4GASN/AHeater Core Aluminum
1987VolkswagenJettaWolfsburg Edition1.6LL4DIESELN/AHeater Core Aluminum
1987VolkswagenJettaWolfsburg Edition1.8LL4GASN/AHeater Core Aluminum
1987VolkswagenJettaGL1.6LL4DIESELN/AHeater Core Aluminum
1987VolkswagenJettaGL1.8LL4GASN/AHeater Core Aluminum
1987VolkswagenJettaBase1.6LL4DIESELN/AHeater Core Aluminum
1987VolkswagenJettaBase1.8LL4GASN/AHeater Core Aluminum
1987VolkswagenJettaGLI 16-Valve1.8LL4GASN/AHeater Core Aluminum
1986VolkswagenGolfN/AHeater Core Aluminum
1986VolkswagenJettaN/AHeater Core Aluminum
1985VolkswagenGolfN/AHeater Core Aluminum
1985VolkswagenJettaN/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.