Four Seasons 98632 HVAC Heater Core - Front

Four Seasons 98632 Heater Core Overview

The Four Seasons 98632 heater core is an aluminum HVAC heater core built for front-position applications on select Dodge B150, B250, B350, B200, B300, and Plymouth PB150, PB250, PB350 models. It is a direct-fit replacement for vehicles equipped with air conditioning and is engineered to meet or exceed OEM requirements.

Four Seasons Heater Core 98632 is sized for the factory HVAC case and uses an aluminum core construction for efficient heat transfer in the heating system. This part is a practical choice when restoring cabin heat in older Dodge and Plymouth vans and related front HVAC layouts.

Key Features

• Aluminum heater core construction
• Core dimensions: 7-1/2 in. length, 7-1/4 in. width, 2 in. thickness
• Tube size: 0.625 in. / 15.875 mm on both connections
• Front position application
• Meets or exceeds OEM specifications
• Four Seasons Heater Core 98632 for select air-conditioned vehicles

Detailed Product Description

Built as an aluminum heater core, Four Seasons 98632 is designed to restore heat exchange performance inside the HVAC system. The compact core measures 7.500 inches high, 7.250 inches wide, and 2.000 inches deep, with 0.625-inch tubes on both sides for factory-style routing. This part cross-references Remy 90013 for the same application.

Fits 1985-1994 Dodge B150, front. Fits 1985-1994 Dodge B250, front. Fits 1985-1994 Dodge B350, front. Fits 1981-1984 Dodge B150, front. Fits 1981-1984 Dodge B250, front. Fits 1978-1980 Dodge B200, front. Fits 1978-1980 Dodge B300, front. Fits 1981-1983 Plymouth PB150, front. Fits 1981-1983 Plymouth PB250, front. Fits 1981-1983 Plymouth PB350, front.

Common Problems This Part Can Address

• Weak or uneven cabin heat from a restricted heater core
• Coolant seepage inside the HVAC housing
• Reduced defrost performance caused by poor heater output
• Corrosion-related heater core failure in older vehicles
• HVAC heating loss in front-mounted factory systems

Installation Notes and Tips

Verify the vehicle is equipped with air conditioning before ordering, since the listed fitment applies to AC-equipped models. Confirm the core dimensions and tube orientation against the original part before installation, and inspect hoses, clamps, and the HVAC case for wear or contamination while the system is open. Four Seasons Heater Core 98632 is intended for front HVAC placement on the listed Dodge and Plymouth applications.

Quality Assurance

This heater core meets or exceeds OEM specifications and is built to support factory-level fit and function in the specified applications. Four Seasons 98632 is part of the Four Seasons Heater Core line, focused on replacement HVAC components for service and repair work.