Global Parts 8231599 HVAC Heater Core - Rear

Global Parts 8231599 Heater Core for Rear HVAC

Global Parts 8231599 is a specific-fit HVAC heater core built for rear heating service in select Toyota Sienna applications. It transfers heat from the engine cooling system into the cabin, helping restore consistent rear passenger comfort in the 1998-2003 Toyota Sienna with 2 sliding doors.

Key Features

• Specific-fit heater core for direct application matching
• Aluminum construction for efficient heat transfer
• Rear HVAC placement for rear passenger climate control
• Designed for 1998-2003 Toyota Sienna, rear, w/ 2 sliding doors
• Cross-references Dorman HELP 93076 and Spectra Premium 98076 for the same application
• Part number 8231599 for ordering and catalog lookup

Product Details

This heater core is part of the HVAC heating circuit and works by moving heat from engine coolant into the vehicle interior. The aluminum core construction supports thermal transfer in a compact rear HVAC layout. Global Parts 8231599 is listed for the rear position on the Toyota Sienna and is matched to the specific vehicle configuration noted in the fitment data. It is a practical replacement choice when servicing rear heat output on the Toyota Sienna platform.

Common Issues It Can Help Address

• Weak or uneven rear cabin heat
• Coolant odor inside the vehicle from a leaking heater core
• Fogging or dampness caused by HVAC coolant seepage
• Restricted heat transfer in the rear HVAC system
• Loss of rear passenger comfort during cold-weather driving

Installation Notes and Tips

Verify rear HVAC routing and vehicle configuration before installation. This part is a specific fit and is listed for the rear position on 1998-2003 Toyota Sienna models with 2 sliding doors. Confirm coolant lines, heater hoses, and surrounding HVAC components are in serviceable condition before completing the repair. Global Parts 8231599 should be matched to the vehicle by year, model, position, and notes to ensure correct application.

Quality Assurance

Global Parts supplies this heater core as an application-specific replacement for the listed Toyota Sienna fitment. The part number 8231599 is also referenced by Dorman HELP 93076 and Spectra Premium 98076 for the same application, supporting catalog verification during parts selection.