Universal Air HT399331C HVAC Heater Core

Heater Core for Dodge Ram Trucks

Universal Air HT399331C is an aluminum HVAC heater core for select Dodge Ram applications. It is built for 2002-2009 Dodge Ram 1500, 2500, and 3500 coverage, including 2002 New Body Style trucks, and is used to restore cabin heat performance when the original core is restricted or leaking.

Key Features

• Aluminum heater core construction
• Direct-fit HVAC heater core for select Dodge Ram trucks
• Fits 2003-2009 Dodge Ram 2500, N/A
• Fits 2003-2009 Dodge Ram 3500, N/A
• Fits 2003-2008 Dodge Ram 1500, N/A
• Fits 2002 Dodge Ram 1500, N/A, New Body Style
• Fits 2002 Dodge Ram 2500, N/A, New Body Style
• Fits 2002 Dodge Ram 3500, N/A, New Body Style
• Part number HT399331C for catalog verification

Detailed Description

This Universal Air Heater Core Aluminum unit, part number HT399331C, is intended for Dodge Ram heating system service where the factory heater core has developed leaks, reduced flow, or poor heat transfer. The aluminum core construction supports efficient coolant-to-air heat exchange inside the HVAC case, helping the system deliver consistent warm air to the cabin. It is a practical replacement for Ram 1500, Ram 2500, and Ram 3500 trucks across the listed model years.

Universal Air’s Heater Core Aluminum line focuses on HVAC replacement components for truck heating systems. If you are searching for a Dodge Ram heater core replacement, HT399331C is the catalog reference to confirm before ordering.

What It Helps Fix

• Weak or uneven cabin heat
• Coolant odor inside the vehicle
• Moisture or fogging from a leaking heater core
• Restricted coolant flow through the HVAC heater circuit
• Heating performance loss in a Dodge Ram 1500, 2500, or 3500

Installation Notes and Tips

Verify year, model, and body style before installation, especially for 2002 New Body Style trucks. Drain the cooling system, inspect hoses and clamps, and flush the heater circuit if contamination is present. Because heater core replacement typically requires HVAC case access, compare the original unit and connections before reassembly. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Confirm fitment against the vehicle listing and part number HT399331C before installation. Universal Air Heater Core Aluminum components are cataloged for specific HVAC applications to support accurate replacement selection.