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Nissens 73975 HVAC Heater Core - Front
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:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2015 | Audi | Q7 | TDI Prestige | 3.0L | V6 | DIESEL | Front | |
| 2015 | Audi | Q7 | TDI Premium Plus | 3.0L | V6 | DIESEL | Front | |
| 2015 | Audi | Q7 | TDI Premium | 3.0L | V6 | DIESEL | Front | |
| 2015 | Audi | Q7 | Prestige | 3.0L | V6 | GAS | Front | |
| 2015 | Audi | Q7 | Premium Plus | 3.0L | V6 | GAS | Front | |
| 2015 | Audi | Q7 | Premium | 3.0L | V6 | GAS | Front | |
| 2014 | Audi | Q7 | TDI Premium | 3.0L | V6 | DIESEL | Front | |
| 2014 | Audi | Q7 | Premium | 3.0L | V6 | GAS | Front | |
| 2014 | Audi | Q7 | TDI Premium Plus | 3.0L | V6 | DIESEL | Front | |
| 2014 | Audi | Q7 | Prestige | 3.0L | V6 | GAS | Front | |
| 2014 | Audi | Q7 | Premium Plus | 3.0L | V6 | GAS | Front | |
| 2014 | Audi | Q7 | TDI Prestige | 3.0L | V6 | DIESEL | Front | |
| 2013 | Audi | Q7 | TDI Prestige | 3.0L | V6 | DIESEL | Front | |
| 2013 | Audi | Q7 | TDI Premium Plus | 3.0L | V6 | DIESEL | Front | |
| 2013 | Audi | Q7 | Prestige | 3.0L | V6 | GAS | Front | |
| 2013 | Audi | Q7 | Premium Plus | 3.0L | V6 | GAS | Front | |
| 2013 | Audi | Q7 | Premium | 3.0L | V6 | GAS | Front | |
| 2013 | Audi | Q7 | TDI Premium | 3.0L | V6 | DIESEL | Front | |
| 2012 | Audi | Q7 | TDI Premium Plus | 3.0L | V6 | DIESEL | Front | |
| 2012 | Audi | Q7 | TDI Premium | 3.0L | V6 | DIESEL | Front | |
| 2012 | Audi | Q7 | Premium Plus | 3.0L | V6 | GAS | Front | |
| 2012 | Audi | Q7 | Premium | 3.0L | V6 | GAS | Front | |
| 2012 | Audi | Q7 | Prestige | 3.0L | V6 | GAS | Front | |
| 2012 | Audi | Q7 | TDI Prestige | 3.0L | V6 | DIESEL | Front | |
| 2011 | Audi | Q7 | Premium Plus | 3.0L | V6 | GAS | Front | |
| 2011 | Audi | Q7 | TDI Prestige | 3.0L | V6 | DIESEL | Front | |
| 2011 | Audi | Q7 | TDI Premium Plus | 3.0L | V6 | DIESEL | Front | |
| 2011 | Audi | Q7 | TDI Premium | 3.0L | V6 | DIESEL | Front | |
| 2011 | Audi | Q7 | Prestige | 3.0L | V6 | GAS | Front | |
| 2011 | Audi | Q7 | Premium | 3.0L | V6 | GAS | Front | |
| 2010 | Audi | Q7 | Base | 3.6L | V6 | GAS | Front | |
| 2010 | Audi | Q7 | Prestige | 4.2L | V8 | GAS | Front | |
| 2010 | Audi | Q7 | TDI | 3.0L | V6 | DIESEL | Front | |
| 2010 | Audi | Q7 | Premium | 3.6L | V6 | GAS | Front | |
| 2010 | Porsche | Cayenne | S Transsyberia | 4.8L | V8 | GAS | Front | |
| 2010 | Porsche | Cayenne | Turbo S | 4.8L | V8 | GAS | Front | |
| 2010 | Porsche | Cayenne | GTS | 4.8L | V8 | GAS | Front | |
| 2010 | Porsche | Cayenne | Turbo | 4.8L | V8 | GAS | Front | |
| 2010 | Porsche | Cayenne | Base | 3.6L | V6 | GAS | Front | |
| 2010 | Porsche | Cayenne | S | 4.8L | V8 | GAS | Front | |
| 2010 | Volkswagen | Touareg | VR6 | 3.6L | V6 | GAS | Front | |
| 2010 | Volkswagen | Touareg | TDI | 3.0L | V6 | DIESEL | Front | |
| 2009 | Audi | Q7 | Premium | 3.6L | V6 | GAS | Front | |
| 2009 | Audi | Q7 | TDI | 3.0L | V6 | DIESEL | Front | |
| 2009 | Audi | Q7 | Premium | 4.2L | V8 | GAS | Front | |
| 2009 | Audi | Q7 | Base | 3.6L | V6 | GAS | Front | |
| 2009 | Porsche | Cayenne | Turbo S | 4.8L | V8 | GAS | Front | |
| 2009 | Porsche | Cayenne | GTS | 4.8L | V8 | GAS | Front | |
| 2009 | Porsche | Cayenne | Turbo | 4.8L | V8 | GAS | Front | |
| 2009 | Porsche | Cayenne | Base | 3.6L | V6 | GAS | Front | |
| 2009 | Porsche | Cayenne | S | 4.8L | V8 | GAS | Front | |
| 2009 | Volkswagen | Touareg | TDI | 3.0L | V6 | DIESEL | Front | |
| 2009 | Volkswagen | Touareg | Base | 4.2L | V8 | GAS | Front | |
| 2009 | Volkswagen | Touareg | Base | 3.6L | V6 | GAS | Front | |
| 2008 | Audi | Q7 | Premium | 3.6L | V6 | GAS | Front | |
| 2008 | Audi | Q7 | Premium | 4.2L | V8 | GAS | Front | |
| 2008 | Audi | Q7 | Base | 3.6L | V6 | GAS | Front | |
| 2008 | Porsche | Cayenne | S | 4.8L | V8 | GAS | Front | |
| 2008 | Porsche | Cayenne | Base | 3.6L | V6 | GAS | Front | |
| 2008 | Porsche | Cayenne | GTS | 4.8L | V8 | GAS | Front | |
| 2008 | Porsche | Cayenne | Turbo | 4.8L | V8 | GAS | Front | |
| 2008 | Volkswagen | Touareg | TDI | 5.0L | V10 | DIESEL | Front | |
| 2008 | Volkswagen | Touareg | Base | 4.2L | V8 | GAS | Front | |
| 2008 | Volkswagen | Touareg | Base | 3.6L | V6 | GAS | Front | |
| 2007 | Audi | Q7 | Base | 3.6L | V6 | GAS | Front | |
| 2007 | Audi | Q7 | Premium | 4.2L | V8 | GAS | Front | |
| 2007 | Audi | Q7 | Premium | 3.6L | V6 | GAS | Front | |
| 2007 | Audi | Q7 | Base | 4.2L | V8 | GAS | Front | |
| 2007 | Volkswagen | Touareg | Base | 4.2L | V8 | GAS | Front | |
| 2007 | Volkswagen | Touareg | TDI | 5.0L | V10 | DIESEL | Front | |
| 2007 | Volkswagen | Touareg | Base | 3.6L | V6 | GAS | Front | |
| 2006 | Porsche | Cayenne | Turbo S | 4.5L | V8 | GAS | Front | |
| 2006 | Porsche | Cayenne | Base | 3.2L | V6 | GAS | Front | |
| 2006 | Porsche | Cayenne | Turbo | 4.5L | V8 | GAS | Front | |
| 2006 | Porsche | Cayenne | S | 4.5L | V8 | GAS | Front | |
| 2006 | Volkswagen | Touareg | TDI | 5.0L | V10 | DIESEL | Front | |
| 2006 | Volkswagen | Touareg | Base | 3.2L | V6 | GAS | Front | |
| 2006 | Volkswagen | Touareg | Base | 4.2L | V8 | GAS | Front | |
| 2005 | Porsche | Cayenne | Turbo | 4.5L | V8 | GAS | Front | |
| 2005 | Porsche | Cayenne | Base | 3.2L | V6 | GAS | Front | |
| 2005 | Porsche | Cayenne | S | 4.5L | V8 | GAS | Front | |
| 2005 | Volkswagen | Touareg | Base | 3.2L | V6 | GAS | Front | |
| 2005 | Volkswagen | Touareg | Base | 4.2L | V8 | GAS | Front | |
| 2004 | Porsche | Cayenne | Turbo | 4.5L | V8 | GAS | Front | |
| 2004 | Porsche | Cayenne | Base | 3.2L | V6 | GAS | Front | |
| 2004 | Porsche | Cayenne | S | 4.5L | V8 | GAS | Front | |
| 2004 | Volkswagen | Touareg | TDI | 4.9L | V10 | DIESEL | Front | |
| 2004 | Volkswagen | Touareg | V6 | 3.2L | V6 | GAS | Front | |
| 2004 | Volkswagen | Touareg | V8 | 4.2L | V8 | GAS | Front | |
| 2003 | Porsche | Cayenne | Turbo | 4.5L | V8 | GAS | Front | |
| 2003 | Porsche | Cayenne | S | 4.5L | V8 | GAS | Front |
* 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.