HomeHVAC > Motors, Core, Case and Related ComponentsUniversal Air HT2179C HVAC Heater Core
Part #: HT2179C

Universal Air HT2179C HVAC Heater Core

Heater Core Aluminum
29 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Heater Core Aluminum
Fitment: Audi, A4, A4 Quattro, S4, and RS4
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Universal Air Heater Core Aluminum HT2179C

The Universal Air Heater Core Aluminum HT2179C is designed specifically for Audi models including the A4, A4 Quattro, RS4, and S4. This HVAC heater core replacement ensures proper heating performance and climate control within your vehicle's cabin.

  • Compatible with Audi A4, A4 Quattro, RS4, and S4 models
  • Part number HT2179C for precise identification
  • Constructed from durable aluminum for efficient heat transfer
  • Direct replacement for OEM heater core components
  • Part of the Heater Core Aluminum product line by Universal Air

About the Heater Core Aluminum Product Line

The Heater Core Aluminum line from Universal Air focuses on providing reliable HVAC heater cores made from aluminum material. Aluminum construction offers effective heat dissipation and corrosion resistance, which contributes to consistent heating performance and longevity. The HT2179C is part of this line, ensuring compatibility and quality for Audi vehicles requiring heater core replacement.

Detailed Product Description

The HT2179C heater core is engineered to restore the heating function in Audi A4, A4 Quattro, RS4, and S4 models. It replaces the original heater core, which is responsible for transferring heat from the engine coolant to the vehicle’s interior ventilation system. Made from aluminum, this heater core provides efficient thermal conductivity and durability under typical operating conditions. Proper fitment and construction help maintain the HVAC system’s performance and prevent leaks or blockages that can affect cabin comfort.

Common Applications and Issues Addressed

  • Restores heating capability in Audi A4, A4 Quattro, RS4, and S4 vehicles
  • Resolves heater core leaks causing coolant loss or interior moisture
  • Eliminates reduced heat output due to clogged or damaged cores
  • Prevents fogging and windshield defrosting issues related to HVAC failure
  • Addresses overheating concerns linked to faulty heater cores

Installation Notes and Tips

  • Ensure compatibility by verifying Audi model and year before installation
  • Drain engine coolant 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 after installation to prevent air pockets

Quality Assurance and Warranty

The Universal Air HT2179C heater core is manufactured to meet industry standards for HVAC components. While specific warranty details are not provided, Universal Air products typically undergo quality control to ensure reliable performance and fitment. It is recommended to consult product documentation or the supplier for warranty information related to this part.

This part fits 29 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2009AudiA4Luxury2.0LL4N/AHeater Core Aluminum
2009AudiA4Cabriolet2.0LL4N/AHeater Core Aluminum
2009AudiA4Trendy Plus2.0LL4N/AHeater Core Aluminum
2009AudiA4Base2.0LL4N/AHeater Core Aluminum
2009AudiA4Sport2.0LL4N/AHeater Core Aluminum
2009AudiA4Trendy2.0LL4N/AHeater Core Aluminum
2009AudiA4 QuattroN/AHeater Core Aluminum
2009AudiS4N/AHeater Core Aluminum
2008AudiA4N/AHeater Core Aluminum
2008AudiA4 QuattroN/AHeater Core Aluminum
2008AudiRS4N/AHeater Core Aluminum
2008AudiS4N/AHeater Core Aluminum
2007AudiA4N/AHeater Core Aluminum
2007AudiA4 QuattroN/AHeater Core Aluminum
2007AudiRS4N/AHeater Core Aluminum
2007AudiS4N/AHeater Core Aluminum
2006AudiA4N/AHeater Core Aluminum
2006AudiA4 QuattroN/AHeater Core Aluminum
2006AudiS4N/AHeater Core Aluminum
2005AudiA4N/AHeater Core Aluminum
2005AudiA4 QuattroN/AHeater Core Aluminum
2005AudiS4N/AHeater Core Aluminum
2004AudiA4N/AHeater Core Aluminum
2004AudiA4 QuattroN/AHeater Core Aluminum
2004AudiS4N/AHeater Core Aluminum
2003AudiA4N/AHeater Core Aluminum
2003AudiA4 QuattroN/AHeater Core Aluminum
2002AudiA4N/AHeater Core Aluminum
2002AudiA4 QuattroN/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.