Universal Air HT399996C HVAC Heater Core - Rear

Heater Core Overview

The Universal Air HT399996C heater core is a rear HVAC replacement for select Ford and Lincoln applications. It is built as an aluminum heater core for vehicles that need dependable cabin heat performance in the rear climate system.

Key Features

• Aluminum heater core construction
• Fits rear HVAC applications where listed
• Direct replacement format for service work
• Designed for Ford Expedition and Lincoln Navigator fitment
• Part number HT399996C for identification and ordering

Fitment Details

Compatible With select rear HVAC applications:

• Fits 2007-2017 Ford Expedition, Rear, Heater Core Aluminum
• Fits 2012-2017 Lincoln Navigator, Rear, Heater Core Aluminum
• Fits 2007-2009 Lincoln Navigator, Rear, Heater Core Aluminum
• Fits 2011-2012 Ford Expedition, N/A, Heater Core Aluminum

What It Helps Address

• Loss of rear cabin heat output
• Restricted heater core performance from age or corrosion
• Cooling system service needs tied to the rear HVAC circuit
• Replacement of a leaking or inefficient heater core

Installation Notes

Verify the vehicle year, make, model, and HVAC position before ordering. Match the existing heater core layout and rear application notes to confirm fitment for the Ford Expedition or Lincoln Navigator. Professional installation is recommended for HVAC service work.

Quality Assurance

Universal Air identifies this part as HT399996C and as part of its Heater Core Aluminum line, giving buyers a clear reference for application matching and service replacement.