Universal Air HT398333C HVAC Heater Core

Heater Core for Ford, Mazda, and Mercury Applications

Universal Air HT398333C is an aluminum HVAC heater core for select Ford, Mazda, and Mercury vehicles. It is a direct-fit heating system component for restoring cabin heat in applications such as the Ford Escape, Mercury Mariner, Mazda Tribute, Ford Probe, Mazda 626, and Mazda MX-6.

Key Features

• Aluminum heater core construction
• HVAC heater core replacement for factory-style heating system service
• Fits 2001-2007 Ford Escape, N/A
• Fits 2005-2007 Mercury Mariner, N/A
• Fits 2001-2006 Mazda Tribute, N/A
• Fits 1993-1997 Ford Probe, N/A
• Fits 1992-1997 Mazda 626, N/A
• Fits 1992-1997 Mazda MX-6, N/A
• Part number HT398333C for application matching

Product Details

Universal Air Heater Core Aluminum HT398333C is built for vehicles that rely on a compact in-dash heat exchanger to transfer engine coolant heat into the cabin air stream. This heater core serves as the heating element inside the HVAC case and is listed for broad coverage across Ford Escape, Mercury Mariner, Mazda Tribute, Ford Probe, Mazda 626, and Mazda MX-6 model years. If you are searching for a heater core for 2001-2007 Ford Escape or a replacement heater core for 1992-1997 Mazda 626, HT398333C is the cataloged part number to verify against your vehicle.

Common Problems This Part Can Address

• Weak or no cabin heat
• Coolant odor inside the vehicle
• Fogging or film on the windshield from heater core leakage
• Wet carpet or moisture near the HVAC case
• Temperature output that changes with coolant loss or internal blockage

Installation Notes and Tips

Heater core replacement typically requires access to the HVAC case and careful handling of coolant lines and interior trim. Before installation, confirm the vehicle year, make, and model against the fitment list for HT398333C, and inspect the cooling system for contamination or leaks that could affect the new core. After installation, refill and bleed the cooling system according to factory service procedures to help prevent air pockets and uneven heater performance.

Quality Assurance

Universal Air HT398333C is an aluminum HVAC heater core cataloged for the listed Ford, Mazda, and Mercury applications. Verify fitment by year and model before ordering to ensure the correct replacement for your vehicle.