Nissens 77522 HVAC Heater Core - Rear

Nissens 77522 HVAC Heater Core

The Nissens 77522 HVAC heater core is built for rear auxiliary heating performance in select Kia Sedona applications. With an aluminum core and aluminum tanks, it supports efficient heat transfer in a compact design made for the 2002-2005 Kia Sedona, rear auxiliary HVAC system.

Key Features

• Aluminum core material for efficient thermal transfer
• Aluminum tank construction for a lightweight, corrosion-resistant design
• Brazed cooling fins for consistent heat exchange performance
• Pipe included for a more complete replacement setup
• Direct-fit application for 2002-2005 Kia Sedona, rear auxiliary HVAC
• Part number 77522 for easy identification and ordering

Product Details

Nissens 77522 is an HVAC heater core engineered for rear-position auxiliary heating in the 2002-2005 Kia Sedona. The brazed fin construction helps promote stable airflow across the core, while the aluminum core and tank materials support dependable thermal efficiency in a compact package measuring 7.4800 inches high, 6.5000 inches long, and 0.9800 inches wide. This part cross-references UAC HT2154C for the same application.

Common Replacement Reasons

• Weak or uneven rear cabin heat in a Kia Sedona
• Coolant odor or moisture from a leaking heater core
• Restricted heat output from internal blockage or corrosion
• Rear auxiliary HVAC performance loss in 2002-2005 Kia Sedona models

Installation Notes and Tips

Verify rear auxiliary HVAC fitment before installation on the 2002-2005 Kia Sedona. Inspect hoses, seals, and coolant condition during replacement, and confirm pipe alignment and connection points match the original unit. Proper system bleeding after installation helps restore normal heater performance.

Quality Assurance

Nissens develops thermal management components to high manufacturing standards, with a focus on consistent fit and material quality across its aftermarket range. The 77522 heater core reflects that approach with aluminum construction and brazed fin design for the specified application.