Four Seasons 90043 HVAC Heater Core

Four Seasons 90043 Heater Core Overview

The Four Seasons 90043 heater core is an aluminum HVAC heater core built for direct replacement service in select Chrysler, Dodge, and Mitsubishi applications. With OE-style dimensions and confirmed fitment for Cirrus, Sebring, Stratus, and Eclipse models, it supports dependable cabin heat restoration in vehicles with a leaking or restricted heater core.

Four Seasons Heater Core line products focus on application-specific HVAC replacement parts, and this 90043 unit follows that approach with measured core dimensions and OE-matching tube sizing for straightforward service work.

• Aluminum heater core construction
• Core dimensions: 5-1/4 in. height, 10-1/2 in. width, 1-1/8 in. thickness
• Tube size: 5/8 in. inlet and outlet
• Meets or exceeds OEM requirements
• Direct replacement for select Chrysler, Dodge, and Mitsubishi HVAC systems
• Four Seasons part number 90043 for catalog and cross-reference use

Detailed Product Description

The Four Seasons 90043 heater core is an aluminum HVAC heater core designed around the listed OE-style dimensions: 5.250 in. core height, 10.500 in. core width, and 1.125 in. core depth. The aluminum core material supports efficient heat transfer for the vehicle’s cabin heating system, while the 0.625 in. tube sizing on both connections helps maintain proper hose interface on the specified applications. This part is identified as a heater core / aluminum style unit and is listed as meeting or exceeding OEM requirements.

Compatible With 2001-2006 Chrysler Cirrus, N/A; 2001-2005 Chrysler Sebring, N/A; 2001-2005 Dodge Stratus, N/A; 2000-2001 Mitsubishi Eclipse, N/A; 2002 Mitsubishi Eclipse, N/A to 1/02; and 2003-2005 Mitsubishi Eclipse, N/A. For buyers searching by vehicle, this Four Seasons 90043 heater core is a direct-fit option for select Chrysler Sebring heater core replacement, Dodge Stratus heater core service, and Mitsubishi Eclipse heater core repair applications.

This part cross-references APDI 9010372 and Nissens 93043 for the same application.

Common Problems This Part Can Address

• Loss of cabin heat from a leaking or clogged heater core
• Sweet coolant odor inside the vehicle from heater core seepage
• Fogging or film on the windshield caused by HVAC coolant leakage
• Restricted coolant flow through the heater circuit
• Uneven or weak heater output in the cabin

Installation Notes and Tips

Verify the core dimensions, tube diameter, and vehicle build date before installation, especially on 2002 Mitsubishi Eclipse models noted as applicable to 1/02. Inspect heater hoses, clamps, and the cooling system for contamination or corrosion before installing the replacement core. Proper coolant refill and system bleeding are important after heater core service to restore normal HVAC operation.

Quality Assurance

The Four Seasons 90043 heater core is listed as meeting or exceeding OEM requirements and is built as an aluminum replacement part for the specified HVAC applications. Confirmed fitment includes 2001-2006 Chrysler Cirrus, 2001-2005 Chrysler Sebring, 2001-2005 Dodge Stratus, and 2000-2005 Mitsubishi Eclipse applications as listed.