Nissens 77642 HVAC Heater Core

Nissens 77642 HVAC Heater Core

The Nissens 77642 HVAC heater core is built with aluminum core and tank construction for efficient heat transfer in the vehicle climate control system. It is a direct-fit replacement for select Kia Sportage and Hyundai Tucson applications, with brazed cooling fins and included pipes for a cleaner service replacement.

Key Features

• Aluminum core material for effective thermal performance
• Aluminum tank material for corrosion-resistant construction
• Brazed cooling fins for consistent heat exchange
• Pipe included for application-specific replacement needs
• OE-style fitment for select Kia Sportage and Hyundai Tucson models
• Part number 77642 for easy identification and ordering

Product Details

Nissens 77642 is an HVAC heater core designed for vehicles that rely on a compact, efficient heat exchanger inside the heater box. Its aluminum construction and brazed fin design support steady cabin heat output while keeping the assembly lightweight. This heater core fits 2005-2010 Kia Sportage and fits 2005 Hyundai Tucson, to 04/01/2005. For buyers searching for a heater core for Kia Sportage 2005-2010 or a Hyundai Tucson heater core 2005 to 04/01/2005, this part number 77642 matches the listed applications.

Nissens develops thermal management components for the aftermarket with a focus on consistent manufacturing standards and ongoing product development. This heater core cross-references Spectra Premium 98143 for the same application.

Common Problems This Part Can Address

• Weak or uneven cabin heat
• Coolant odor inside the passenger compartment
• Fogging or film on the inside of the windshield caused by heater core leakage
• Coolant loss from a leaking heater core
• Restricted heat output from a clogged internal core

Installation Notes and Tips

Verify the vehicle year, make, model, and build date before ordering, especially for the 2005 Hyundai Tucson application noted through 04/01/2005. Inspect hoses, seals, and the HVAC housing during replacement, and flush the cooling system if contamination is present. Confirm pipe routing and connection points against the original unit before installation.

Quality Assurance

Nissens manufactures thermal management components to consistent aftermarket standards, and the 77642 heater core reflects that focus with aluminum construction and brazed cooling fins. Part number 77642 is listed for the specified Kia Sportage and Hyundai Tucson fitments.