Four Seasons 92109 HVAC Heater Core

Four Seasons 92109 Heater Core for Kia Sorento

Restore cabin heat performance with the Four Seasons Heater Core, part number 92109. This aluminum heater core is built to meet or exceed OEM requirements and is listed for 2003-2006 Kia Sorento heater core applications.

Key Features

• Aluminum heater core construction for efficient heat transfer
• Core dimensions: 8 in. height, 6-3/8 in. width, and 1 in. depth
• Tube openings measure 0.6875 in. on both connections
• Meets or exceeds OEM specifications
• Four Seasons heater core line for HVAC repair and replacement

Product Details

The Four Seasons 92109 is an aluminum HVAC heater core designed for direct replacement in the heating system. Its compact 8 x 6.375 x 1-inch core size and aluminum tube-and-fin style support efficient coolant-to-air heat exchange inside the HVAC case. This part is listed for 2003, 2004, 2005, and 2006 Kia Sorento models, making it a focused replacement choice for Kia Sorento heater core service. Cross-reference part numbers include Dorman - HELP 91109 and Spectra Premium 99371 for the same application.

Common Issues This Part Can Address

• Weak or uneven cabin heat output
• Coolant odor inside the vehicle interior
• Fogging caused by heater core leakage
• Reduced defrost performance in cold weather
• HVAC system heat loss from a restricted or damaged core

Installation Notes and Tips

Verify the vehicle’s HVAC case layout and hose connection dimensions before installation. Because heater core replacement often requires access through the dash or HVAC housing, compare the original core’s size, tube position, and connection style to part number 92109 before beginning service. Flush the cooling system and inspect related hoses and clamps during reassembly.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM requirements, supporting a replacement standard aligned with original equipment expectations.