One Stop Solutions 98080 HVAC Heater Core

OE-Style Heater Core for Corolla and Matrix

One Stop Solutions 98080 is a premium replacement HVAC heater core built for original equipment form and function. It is made from aluminum and uses cadmium-plated tubes to help resist premature failure in demanding heating and cooling service.

Compatible with 2003-2004 Toyota Corolla and 2003-2004 Toyota Matrix, this heater core is a direct replacement for applications originally designed around a copper-style core. Part number 98080 is individually pressure tested and includes the foam and accessories needed for a proper replacement.

Key Features

• Drop-in fit, form, and function for OE-style replacement
• Premium-grade aluminum construction for added durability
• Cadmium-plated tubes inside and out to help reduce early failure
• Individually pressure tested before release
• Includes necessary foam and accessories
• Built to address original design weaknesses in high-mileage vehicles
• Tested for cycle, vibration, burst, and environmental conditions

Detailed Description

The One Stop Solutions 98080 HVAC heater core is engineered for drivers needing a reliable replacement for a leaking, restricted, or inefficient heater core in a 2003-2004 Toyota Corolla or 2003-2004 Toyota Matrix. Its aluminum construction and plated tubing are selected to improve service life while maintaining OE-style fit and heat transfer performance. This part cross-references Spectra Premium 93080 for the same application.

Common Issues It Can Help Solve

• Coolant odor inside the cabin
• Weak or inconsistent cabin heat
• Coolant loss from a leaking heater core
• Fogging or film on the inside of the windshield
• Heating performance decline in higher-mileage Corolla and Matrix vehicles

Installation Notes and Tips

Verify the vehicle application before installation. Fits 2003-2004 Toyota Corolla, N/A and 2003-2004 Toyota Matrix, N/A. Inspect the HVAC housing, coolant hoses, and seals during replacement, and flush the cooling system if contamination or debris is present. Confirm all foam and accessory pieces are positioned correctly to support proper airflow and sealing.

Quality Assurance

Each heater core is pressure tested individually and built from premium materials to support consistent performance in HVAC service. The design is validated through cycle, vibration, burst, and environmental testing to help confirm durability in real-world use.