Global Parts 8231748 HVAC Heater Core

Heater Core for Mazda 626

Restore cabin heat and coolant-to-air heat transfer with this Global Parts HVAC heater core, part number 8231748. It is a specific-fit replacement for select 1999-2002 Mazda 626 models and uses aluminum construction for efficient thermal transfer.

Key Features

• Specific-fit HVAC heater core for direct application matching
• Aluminum construction for heat exchange performance
• Fits 1999-2002 Mazda 626, N/A
• Global Parts part number 8231748
• Cross-references Spectra Premium 99279 for the same application

Product Details

The heater core is a key part of the vehicle’s HVAC system, transferring heat from engine coolant into the passenger compartment. This Global Parts heater core is built for the 1999-2002 Mazda 626 and is intended for direct replacement service where the original core has leaked, restricted flow, or no longer delivers consistent heat. The aluminum design supports efficient heat transfer, and the specific-fit configuration helps match the original application. Part number 8231748 is also referenced against OE-style numbers including 200962, 9010620, GD7A61A10, and HT400125.

Common Issues This Part Can Address

• Weak or uneven cabin heat in a Mazda 626
• Coolant odor or moisture from a leaking heater core
• Restricted coolant flow through the HVAC heat exchanger
• Fogging or poor defrost performance caused by heater core failure
• Temperature inconsistency during cold-weather driving

Installation Notes and Tips

Verify the vehicle’s year and application before installation. Because heater core replacement often requires access through the HVAC case, inspect related hoses, clamps, and coolant condition during service. Confirm the original part layout and connection points against the removed component to ensure proper fitment on the Mazda 626. Part number 8231748 is a specific-fit replacement, so matching the exact vehicle application is important.

Quality Assurance

Global Parts supplies HVAC replacement components for vehicle-specific service applications. This heater core is built as a direct-fit replacement for the listed Mazda 626 model years and uses aluminum construction for dependable heat transfer in the cabin heating system.