Universal Air HT399994C HVAC Heater Core - Front

Heater Core for Ford and Lincoln HVAC Systems

Universal Air HT399994C is an aluminum HVAC heater core for select Ford and Lincoln trucks and SUVs. It is built for front heater core applications in the 2007-2010 Ford Expedition, 2009-2010 Ford F-150, 2010 Lincoln Mark LT, 2007-2010 Lincoln Navigator, and 2009 Ford F-250.

Key Features

• Aluminum heater core construction
• Direct-fit HVAC replacement for listed front applications
• Fits 2007-2010 Ford Expedition, front
• Fits 2009-2010 Ford F-150, front
• Fits 2007-2010 Lincoln Navigator, front
• Fits 2010 Lincoln Mark LT, N/A
• Fits 2009 Ford F-250, N/A
• Part number HT399994C for catalog and fitment lookup

Detailed Description

Universal Air Heater Core Aluminum HT399994C is a replacement HVAC heater core for vehicles listed in the fitment data. As part of the heating system, the heater core transfers engine heat into the cabin air stream so the vehicle’s climate control system can deliver warm air through the vents. This part number HT399994C is listed for Ford Expedition, Ford F-150, Lincoln Navigator, Lincoln Mark LT, and Ford F-250 applications shown above.

The Universal Air Heater Core Aluminum product line focuses on aluminum-core HVAC replacement parts for service work where the original heater core has failed or is leaking. For buyers searching for a 2007-2010 Ford Expedition heater core, 2009-2010 Ford F-150 heater core, or 2007-2010 Lincoln Navigator heater core, HT399994C provides a fitment-specific option.

Common Problems This Part Can Address

• Loss of cabin heat
• Coolant odor inside the vehicle
• Fogging or film on the windshield from heater core leakage
• Visible coolant seepage from the HVAC case area
• Restricted heater performance from a damaged core

Installation Notes and Tips

Verify the vehicle year, make, model, and HVAC configuration before ordering. Heater core replacement typically requires access to the HVAC case, so compare the original unit and connection points before installation. Flush the cooling system and inspect hoses, clamps, and seals during service to help prevent repeat contamination. Confirm fitment for the exact application listed for your vehicle, including front-position HVAC use where specified.

Quality Assurance

Universal Air HT399994C is an aluminum HVAC heater core built for the listed Ford and Lincoln applications. Cross-reference part numbers are not provided in the supplied data.