Four Seasons 90030 HVAC Heater Core

Four Seasons 90030 Heater Core Overview

The Four Seasons 90030 heater core is a specific-fit aluminum HVAC heater core built for select Toyota applications. It is sized at 8-3/4 inches long, 6-1/2 inches wide, and 1 inch thick, with 0.625-inch inlet and outlet tubes for a direct replacement-style installation.

Use this heater core when servicing the cabin heat system on 1998-2003 Toyota Avalon, Camry, and Solara applications listed below. The Four Seasons heater core line focuses on replacement parts for HVAC repairs, and this 90030 unit meets or exceeds OEM requirements.

Key Features

• Part number 90030
• Aluminum heater core construction
• Specific fit for listed Toyota vehicles
• Core dimensions: 8-3/4 in. x 6-1/2 in. x 1 in.
• 0.625 in. tube size on both connections
• Meets or exceeds OEM specifications
• Direct replacement for HVAC heater core service

Detailed Product Description

Four Seasons 90030 is an aluminum heater core designed for the HVAC system in select Toyota Camry, Avalon, and Solara models. Its specific-fit design helps match the original heater core dimensions and tube sizing for a proper service replacement. This part cross-references Spectra Premium 93030 for the same application.

Compatible With 1999-2003 Toyota Solara, heater core; 1999-2001 Toyota Camry, heater core; 2002 Toyota Camry, heater core to 6/01; and 1998-1999 Toyota Avalon, heater core. If you are replacing a leaking or restricted heater core on a Toyota Camry, Toyota Avalon, or Toyota Solara, Four Seasons 90030 provides the correct fitment for the listed vehicles.

Common Repair Uses

• Restores cabin heat when the heater core is leaking
• Addresses coolant odor inside the vehicle
• Helps correct weak or uneven heat output
• Replaces a clogged or restricted heater core
• Supports HVAC repair after coolant contamination in the core

Installation Notes and Tips

Verify vehicle year and model before ordering, especially for 2002 Toyota Camry applications that are listed to 6/01. Confirm the inlet and outlet tube size matches the original unit before installation. Inspect related HVAC hoses, clamps, and coolant condition during heater core service to reduce repeat repairs.

Quality Assurance

Four Seasons 90030 is built as an OEM-style replacement heater core and is listed as meeting or exceeding OEM specifications. The Four Seasons heater core product line is used for HVAC replacement service on select Toyota vehicles, including Camry, Avalon, and Solara applications.