Four Seasons 98028 HVAC Heater Core

Four Seasons 98028 Heater Core for Jeep TJ and Wrangler

The Four Seasons Heater Core 98028 is an aluminum HVAC heater core built for direct replacement in select Jeep TJ and Jeep Wrangler applications. With OE-matching dimensions and confirmed fitment for 2002-2006 Jeep models, it supports reliable cabin heat performance in left-hand-drive vehicles.

Key Features

• Aluminum heater core construction for HVAC service replacement
• Measures 6-3/4 in. length, 6-3/4 in. width, and 1-1/2 in. thickness
• Core height: 6.750 in.; core depth: 1.500 in.; core width: 6.750 in.
• Tube sizes: 0.625 in. and 0.750 in. for application-specific connection points
• Meets or exceeds OEM requirements
• Four Seasons heater core 98028 for Jeep TJ and Wrangler heating repair

Detailed Description

Four Seasons 98028 is an aluminum heater core designed for HVAC systems in 2002-2005 Jeep TJ and Jeep Wrangler models, plus 2006 Jeep TJ and Jeep Wrangler left-hand-drive applications. The compact core dimensions and tube sizing are specified for the listed vehicles, helping restore heat transfer through the vehicle’s heater box. This part cross-references Spectra Premium 93028 for the same application.

As part of the Four Seasons Heater Core line, this unit focuses on replacement fit and material selection for service work where the original heater core has leaked, restricted flow, or lost heating efficiency. The aluminum core material supports thermal exchange in the HVAC system while maintaining the listed OE-style dimensions.

What It Is Used For

• Restoring weak or inconsistent cabin heat in a Jeep TJ or Wrangler
• Replacing a leaking heater core that causes coolant odor or interior moisture
• Addressing restricted coolant flow through the HVAC heater circuit
• Correcting poor defrost performance caused by reduced heater output
• Servicing a damaged or corroded aluminum heater core assembly

Installation Notes and Tips

Verify the vehicle year, model, and left-hand-drive configuration before installation. Compare the listed core height, width, thickness, and tube diameters to the removed unit to confirm proper HVAC case fitment. Because heater core replacement typically requires access to the HVAC housing, inspect related hoses, clamps, and coolant condition during service. Fits 2002-2005 Jeep TJ, Heater Core. Fits 2002-2005 Jeep Wrangler, Heater Core. Fits 2006 Jeep TJ, Left Hand Drive; Heater Core. Fits 2006 Jeep Wrangler, Left Hand Drive; Heater Core.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM requirements. The part number 98028 is also referenced in aftermarket catalogs for the same application, including APDI 9010450 and UAC HT2163C.