Spectra 99303 HVAC Heater Core

Spectra 99303 HVAC Heater Core

The Spectra 99303 HVAC heater core is a direct-fit replacement for select Ford and Mercury vehicles. Built for the 2005-2007 Ford Five Hundred, 2005-2007 Ford Freestyle, 2005-2007 Mercury Montego, and 2008-2009 Mercury Sable, it is engineered to match original equipment performance in the heating system.

Key Features

• HVAC heater core for cabin heat restoration
• OE-style replacement for select Ford and Mercury applications
• Built with Spectra Premium manufacturing and quality control standards
• Fits 2005-2007 Ford Five Hundred, N/A
• Fits 2005-2007 Ford Freestyle, N/A
• Fits 2005-2007 Mercury Montego, N/A
• Fits 2008-2009 Mercury Sable, N/A

Detailed Description

Spectra Premium HVAC heater cores are produced with engineering, manufacturing technology, and quality control processes intended to meet or exceed original equipment performance. The Spectra 99303 is a practical replacement for a failing heater core in Ford Five Hundred, Ford Freestyle, Mercury Montego, and Mercury Sable models listed in the fitment data. This part cross-references APDI 9010253 for the same application.

Common Repair Symptoms

• Weak or inconsistent heat from the vents
• Coolant odor inside the cabin
• Fogging or film on the windshield caused by heater core leakage
• Loss of heater performance during cold-weather driving
• Coolant seepage in the HVAC housing area

Installation Notes and Tips

Verify vehicle year and model before ordering, since fitment is specific to the listed Ford and Mercury applications. Heater core replacement typically requires access to the HVAC case, so inspect related hoses, seals, and coolant condition during service. Confirm the part number 99303 against the original unit and vehicle application before installation.

Quality Assurance

Spectra Premium states that its engineering, manufacturing technology, and quality control help these heater cores meet or exceed original equipment performance standards.