HomeHVAC > Motors, Core, Case and Related ComponentsNissens 73640 HVAC Heater Core
Part #: 73640

Nissens 73640 HVAC Heater Core

⚙️ 54 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Volvo, 850, C70, S70, and V70
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Reliable HVAC Heater Core for Volvo 850, C70, S70, and V70

The Nissens 73640 HVAC heater core is engineered to provide efficient heating performance for select Volvo models. Designed with durable aluminum core material and plastic tanks, this heater core ensures consistent heat transfer and long-lasting operation in your vehicle's HVAC system.

Key Features of Nissens 73640 Heater Core

  • Core material constructed from lightweight, corrosion-resistant aluminum
  • Plastic tank design for reduced weight and enhanced durability
  • Mechanically jointed cooling fins for improved heat dissipation
  • Core dimensions: 7.48 inches height, 7.36 inches length, 1.65 inches width
  • Pipe not included, compatible with original vehicle connections

Detailed Description of the HVAC Heater Core

This Nissens heater core (part number 73640) features a robust aluminum core that facilitates efficient heat exchange within the HVAC system of Volvo 850, C70, S70, and V70 models. The plastic tanks reduce overall weight while maintaining structural integrity. The mechanically jointed cooling fins enhance thermal conductivity, ensuring optimal cabin heating performance. With precise core dimensions, this heater core is designed to match OEM specifications for a direct replacement without modification.

Common Applications and Issues Addressed

  • Restores proper heating function in Volvo 850, C70, S70, and V70 vehicles
  • Resolves heater core leaks caused by corrosion or physical damage
  • Eliminates reduced cabin heat output due to clogged or failing cores
  • Prevents coolant contamination and HVAC system overheating
  • Addresses HVAC system inefficiencies related to faulty heater cores

Installation Notes and Tips

Installation of the Nissens 73640 heater core requires careful handling to avoid damage to the aluminum core and plastic tanks. Ensure all coolant lines are properly connected and sealed to prevent leaks. Since the pipe is not included, verify compatibility with existing vehicle hoses and fittings. It is recommended to flush the cooling system before installation to remove debris and contaminants.

Quality Assurance and Warranty Information

Nissens heater cores are manufactured to meet or exceed OEM standards for durability and performance. The 73640 part undergoes rigorous quality control to ensure reliable operation in Volvo 850, C70, S70, and V70 models. Warranty coverage details should be confirmed with the supplier or manufacturer.

BrandNissens
Part Number73640
Core MaterialAluminum
Tank MaterialPlastic
ConstructionMechanically jointed cooling fins
Core Height7.4800
Core Length7.3600
Core Width1.6500
Pipe IncludedNo

This part fits 54 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2004VolvoC70Base2.4LL5GASN/A
2004VolvoC70Base2.3LL5GASN/A
2003VolvoC70Base2.4LL5GASN/A
2003VolvoC70Base2.3LL5GASN/A
2002VolvoC70Base2.4LL5GASN/A
2002VolvoC70Base2.3LL5GASN/A
2001VolvoC70Base2.4LL5GASN/A
2001VolvoC70Base2.3LL5GASN/A
2000VolvoC70Base2.4LL5GASN/A
2000VolvoC70Base2.3LL5GASN/A
2000VolvoS70Base2.4LL5GASN/A
2000VolvoS70T52.3LL5GASN/A
2000VolvoS70GLT SE2.4LL5GASN/A
2000VolvoS70AWD2.4LL5GASN/A
2000VolvoS70GLT2.4LL5GASN/A
2000VolvoV70X/C AWD2.4LL5GASN/A
2000VolvoV70X/C AWD SE2.4LL5GASN/A
2000VolvoV70R AWD2.3LL5GASN/A
2000VolvoV70GLT SE2.4LL5GASN/A
2000VolvoV70T52.3LL5GASN/A
2000VolvoV70GLT2.4LL5GASN/A
2000VolvoV70Base2.4LL5GASN/A
1999VolvoC70Base2.4LL5GASN/A
1999VolvoC70Base2.3LL5GASN/A
1999VolvoS70T52.3LL5GASN/A
1999VolvoV70R AWD2.3LL5GASN/A
1999VolvoV70T52.3LL5GASN/A
1998VolvoC70Base2.4LL5GASN/A
1998VolvoC70Base2.3LL5GASN/A
1998VolvoS70T52.3LL5GASN/A
1998VolvoS70GLT2.4LL5GASN/A
1998VolvoS70Base2.4LL5GASN/A
1998VolvoV70X/C AWD2.4LL5GASN/A
1998VolvoV70GLT2.4LL5GASN/A
1998VolvoV70R2.3LL5GASN/A
1998VolvoV70Base2.4LL5GASN/A
1998VolvoV70T52.3LL5GASN/A
1998VolvoV70AWD2.4LL5GASN/A
1997Volvo850T-52.3LL5GASN/A
1997Volvo850Base2.4LL5GASN/A
1997Volvo850GLT2.4LL5GASN/A
1997Volvo850R2.3LL5GASN/A
1996Volvo850GLT2.4LL5GASN/A
1996Volvo850R2.3LL5GASN/A
1996Volvo850Turbo2.3LL5GASN/A
1996Volvo850Base2.4LL5GASN/A
1995Volvo850T-5R2.3LL5GASN/A
1995Volvo850GLT2.4LL5GASN/A
1995Volvo850Turbo2.3LL5GASN/A
1995Volvo850Base2.4LL5GASN/A
1994Volvo850Turbo2.3LL5GASN/A
1994Volvo850GLT2.4LL5GASN/A
1994Volvo850Base2.4LL5GASN/A
1993Volvo850GLT2.4LL5GASN/A

* 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:

3545537354558881232791442219371999277

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