Homeβ€Ί HVAC > Motors, Core, Case and Related Componentsβ€Ί Nissens 73975 HVAC Heater Core - Front
Part #: 73975

Nissens 73975 HVAC Heater Core - Front

Front
91 vehicles fit this part
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
Fitment: Audi, Porsche, and Volkswagen, Q7, Cayenne, and Touareg
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Reliable HVAC Heater Core for Audi, Porsche, and Volkswagen

The Nissens 73975 HVAC heater core is engineered to provide efficient heating performance for select Audi Q7, Porsche Cayenne, and Volkswagen Touareg models. Designed with durable aluminum construction and brazed cooling fins, this heater core ensures consistent heat transfer and long-lasting operation.

Key Features of Nissens 73975 Heater Core

  • Core and tank made from lightweight, corrosion-resistant aluminum
  • Brazed cooling fins construction for enhanced heat dissipation
  • Core dimensions: 8.46 inches height, 7.8 inches length, 1.38 inches width
  • Includes pipe for straightforward installation
  • Compatible with Audi Q7, Porsche Cayenne, and Volkswagen Touareg models

Detailed Description of the HVAC Heater Core

The Nissens 73975 heater core features a robust aluminum core and tank, which provide excellent resistance to corrosion and thermal stress. The brazed cooling fins improve heat exchange efficiency, ensuring your vehicle's cabin heats quickly and maintains a comfortable temperature. With precise core dimensions of 8.46 inches in height, 7.8 inches in length, and 1.38 inches in width, this heater core fits seamlessly into the HVAC system of the Audi Q7, Porsche Cayenne, and Volkswagen Touareg. The included pipe simplifies the installation process, reducing labor time and potential leaks.

Common Applications and Issues Addressed

  • Restores proper heating function in Audi Q7, Porsche Cayenne, and Volkswagen Touareg
  • Resolves coolant leaks within the heater core assembly
  • Eliminates insufficient cabin heat due to clogged or damaged cores
  • Prevents overheating caused by inefficient heat exchange
  • Replaces corroded or worn-out heater cores to maintain HVAC system integrity

Installation Notes and Tips

  • Ensure compatibility with your specific vehicle model and year before installation
  • Drain the cooling system prior to removal of the old heater core
  • Handle the aluminum core carefully to avoid damage to fins and pipes
  • Check all hose connections and clamps for secure fitment during installation
  • Refill and bleed the cooling system properly to prevent air pockets

Quality Assurance and Warranty Information

Nissens manufactures the 73975 heater core to meet OEM standards for fit, form, and function. The aluminum construction and brazed fins are designed for durability and reliable performance. This part is backed by Nissens' quality assurance processes, ensuring consistent manufacturing quality. Please refer to Nissens or your parts provider for specific warranty details applicable to this heater core.

This part fits 91 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2015AudiQ7TDI Prestige3.0LV6DIESELFront
2015AudiQ7TDI Premium Plus3.0LV6DIESELFront
2015AudiQ7TDI Premium3.0LV6DIESELFront
2015AudiQ7Prestige3.0LV6GASFront
2015AudiQ7Premium Plus3.0LV6GASFront
2015AudiQ7Premium3.0LV6GASFront
2014AudiQ7TDI Premium3.0LV6DIESELFront
2014AudiQ7Premium3.0LV6GASFront
2014AudiQ7TDI Premium Plus3.0LV6DIESELFront
2014AudiQ7Prestige3.0LV6GASFront
2014AudiQ7Premium Plus3.0LV6GASFront
2014AudiQ7TDI Prestige3.0LV6DIESELFront
2013AudiQ7TDI Prestige3.0LV6DIESELFront
2013AudiQ7TDI Premium Plus3.0LV6DIESELFront
2013AudiQ7Prestige3.0LV6GASFront
2013AudiQ7Premium Plus3.0LV6GASFront
2013AudiQ7Premium3.0LV6GASFront
2013AudiQ7TDI Premium3.0LV6DIESELFront
2012AudiQ7TDI Premium Plus3.0LV6DIESELFront
2012AudiQ7TDI Premium3.0LV6DIESELFront
2012AudiQ7Premium Plus3.0LV6GASFront
2012AudiQ7Premium3.0LV6GASFront
2012AudiQ7Prestige3.0LV6GASFront
2012AudiQ7TDI Prestige3.0LV6DIESELFront
2011AudiQ7Premium Plus3.0LV6GASFront
2011AudiQ7TDI Prestige3.0LV6DIESELFront
2011AudiQ7TDI Premium Plus3.0LV6DIESELFront
2011AudiQ7TDI Premium3.0LV6DIESELFront
2011AudiQ7Prestige3.0LV6GASFront
2011AudiQ7Premium3.0LV6GASFront
2010AudiQ7Base3.6LV6GASFront
2010AudiQ7Prestige4.2LV8GASFront
2010AudiQ7TDI3.0LV6DIESELFront
2010AudiQ7Premium3.6LV6GASFront
2010PorscheCayenneS Transsyberia4.8LV8GASFront
2010PorscheCayenneTurbo S4.8LV8GASFront
2010PorscheCayenneGTS4.8LV8GASFront
2010PorscheCayenneTurbo4.8LV8GASFront
2010PorscheCayenneBase3.6LV6GASFront
2010PorscheCayenneS4.8LV8GASFront
2010VolkswagenTouaregVR63.6LV6GASFront
2010VolkswagenTouaregTDI3.0LV6DIESELFront
2009AudiQ7Premium3.6LV6GASFront
2009AudiQ7TDI3.0LV6DIESELFront
2009AudiQ7Premium4.2LV8GASFront
2009AudiQ7Base3.6LV6GASFront
2009PorscheCayenneTurbo S4.8LV8GASFront
2009PorscheCayenneGTS4.8LV8GASFront
2009PorscheCayenneTurbo4.8LV8GASFront
2009PorscheCayenneBase3.6LV6GASFront
2009PorscheCayenneS4.8LV8GASFront
2009VolkswagenTouaregTDI3.0LV6DIESELFront
2009VolkswagenTouaregBase4.2LV8GASFront
2009VolkswagenTouaregBase3.6LV6GASFront
2008AudiQ7Premium3.6LV6GASFront
2008AudiQ7Premium4.2LV8GASFront
2008AudiQ7Base3.6LV6GASFront
2008PorscheCayenneS4.8LV8GASFront
2008PorscheCayenneBase3.6LV6GASFront
2008PorscheCayenneGTS4.8LV8GASFront
2008PorscheCayenneTurbo4.8LV8GASFront
2008VolkswagenTouaregTDI5.0LV10DIESELFront
2008VolkswagenTouaregBase4.2LV8GASFront
2008VolkswagenTouaregBase3.6LV6GASFront
2007AudiQ7Base3.6LV6GASFront
2007AudiQ7Premium4.2LV8GASFront
2007AudiQ7Premium3.6LV6GASFront
2007AudiQ7Base4.2LV8GASFront
2007VolkswagenTouaregBase4.2LV8GASFront
2007VolkswagenTouaregTDI5.0LV10DIESELFront
2007VolkswagenTouaregBase3.6LV6GASFront
2006PorscheCayenneTurbo S4.5LV8GASFront
2006PorscheCayenneBase3.2LV6GASFront
2006PorscheCayenneTurbo4.5LV8GASFront
2006PorscheCayenneS4.5LV8GASFront
2006VolkswagenTouaregTDI5.0LV10DIESELFront
2006VolkswagenTouaregBase3.2LV6GASFront
2006VolkswagenTouaregBase4.2LV8GASFront
2005PorscheCayenneTurbo4.5LV8GASFront
2005PorscheCayenneBase3.2LV6GASFront
2005PorscheCayenneS4.5LV8GASFront
2005VolkswagenTouaregBase3.2LV6GASFront
2005VolkswagenTouaregBase4.2LV8GASFront
2004PorscheCayenneTurbo4.5LV8GASFront
2004PorscheCayenneBase3.2LV6GASFront
2004PorscheCayenneS4.5LV8GASFront
2004VolkswagenTouaregTDI4.9LV10DIESELFront
2004VolkswagenTouaregV63.2LV6GASFront
2004VolkswagenTouaregV84.2LV8GASFront
2003PorscheCayenneTurbo4.5LV8GASFront
2003PorscheCayenneS4.5LV8GASFront

* 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:

3513153517L08190318115329555723260098044

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