Global Parts 8231646 HVAC Heater Core

Heater Core for Subaru Impreza

Global Parts 8231646 is a specific-fit HVAC heater core for 2002-2007 Subaru Impreza models. Built from aluminum, it transfers heat from the engine cooling system into the cabin for dependable interior heat and defrost performance.

Key Features

• Specific fit for 2002-2007 Subaru Impreza applications
• Aluminum construction for efficient heat transfer
• HVAC heater core replacement for cabin heating service
• Part number 8231646 for accurate ordering and identification
• Cross-references APDI 9010586 and Four Seasons 92351 for the same application

Detailed Description

This Global Parts heater core is built for direct replacement in Subaru Impreza heating systems from 2002 through 2007. As part of the HVAC system, the heater core uses engine coolant flow to transfer heat into the passenger compartment, supporting warm air output and windshield defrost operation. The aluminum design helps promote effective thermal transfer in a compact OE-style layout. If you are replacing a leaking, restricted, or inefficient heater core on a Subaru Impreza, part number 8231646 provides a specific-fit solution for the listed vehicles.

What It Helps Fix

• Weak or inconsistent cabin heat
• Coolant odor inside the vehicle
• Fogged windows caused by poor defrost performance
• Coolant loss from a leaking heater core
• Restricted coolant flow through the HVAC heating circuit

Installation Notes and Tips

Fits 2002-2007 Subaru Impreza, N/A. Verify the vehicle year and HVAC configuration before installation. Drain the cooling system as required, inspect hoses and seals for wear, and confirm the cooling system is properly refilled and bled after replacement. Part number 8231646 should be matched to the original unit and vehicle application before installation.

Quality Assurance

Global Parts supplies this heater core as a specific-fit replacement component for the listed Subaru Impreza applications. The aluminum construction and application-specific design support accurate fitment and reliable heat transfer in the vehicle’s HVAC system.