Four Seasons 90068 HVAC Heater Core

Four Seasons 90068 Heater Core Overview

The Four Seasons 90068 heater core is an aluminum HVAC heater core built for direct replacement in select Toyota and Lexus applications. It is sized at 5-5/8 in. long, 9-1/4 in. wide, and 1-1/2 in. thick, with 0.625 in. inlet and outlet tubes for a precise fit in the heater box.

Compatible with 2002-2003 Lexus ES300, 2004-2006 Lexus ES330, 2002 Toyota Camry from 7/01, and 2004-2008 Toyota Solara, this Four Seasons heater core is an OE-style replacement for common cabin heat repair jobs. Part number 90068 is also listed across several cross-reference catalogs for the same application.

Key Features

• Aluminum heater core construction
• Core dimensions: 5-5/8 in. height, 9-1/4 in. width, 1-1/2 in. depth
• 0.625 in. tube size on both connections
• Meets or exceeds OEM requirements
• Direct-fit HVAC heater core for select Toyota and Lexus vehicles
• Four Seasons 90068 replacement part number

Product Details

The Four Seasons Heater Core line focuses on HVAC core replacement parts for vehicles that need accurate fitment and dependable heat transfer. This aluminum heater core is built to match the original-style layout used in the heater case, helping restore proper coolant-to-air heat exchange in the cabin HVAC system. The Four Seasons 90068 is a practical replacement choice for Toyota Camry, Toyota Solara, Lexus ES300, and Lexus ES330 models listed in the fitment data.

This part cross-references Spectra Premium 93068 and UAC HT399212C for the same application.

Common Problems This Part Addresses

• Weak or inconsistent cabin heat
• Coolant odor inside the vehicle
• Heater core leakage
• Restricted coolant flow through the HVAC core
• Fogging or dampness caused by heater core seepage

Installation Notes and Tips

• Verify vehicle year and model before ordering, especially for the 2002 Toyota Camry from 7/01 application.
• Inspect heater hoses, clamps, and coolant condition during replacement.
• Flush the cooling system if contamination or debris is present.
• Confirm tube orientation and heater box clearance before final assembly.
• Bleed the cooling system after installation to remove trapped air.

Quality Assurance

This heater core meets or exceeds OEM requirements and is built as an aluminum replacement component for the listed applications. Four Seasons 90068 is specified for direct-fit HVAC service on select Toyota and Lexus models, supporting accurate replacement work in the heating system.