One Stop Solutions 98576 HVAC Heater Core - Front

OE-Style Heater Core Replacement

One Stop Solutions 98576 is a premium aluminum HVAC heater core built to match original equipment form and function. It is a direct replacement for copper-designed heater cores and is engineered for Ford E-Series vans and select Thunderbird and Cougar applications.

Fits 1975-1987 Ford E-150 Econoline, front; fits 1975-1987 Ford E-150 Econoline Club Wagon, standard output heater; fits 1975-1987 Ford E-250 Econoline, front; fits 1975-1987 Ford E-250 Econoline Club Wagon, standard output heater; fits 1975-1987 Ford E-350 Econoline, front; fits 1975-1983 Ford E-100 Econoline, front; fits 1975-1983 Ford E-100 Econoline Club Wagon, standard output heater; fits 1977-1978 Ford Thunderbird with air conditioning systems; fits 1977-1978 Mercury Cougar with air conditioning systems.

• Drop-in fit, form, and function for OE-style service
• Premium-grade aluminum construction for added durability
• Cadmium-plated tubes inside and out to resist premature failure
• Individually pressure tested before release
• Includes foam and related accessories needed for the unit
• Built to address original design failures in high-mileage vehicles
• Cycle, vibration, burst, and environmental testing applied during development

Detailed Product Information

This heater core is designed for repair work where the original unit has leaked, restricted coolant flow, or lost heating performance. The aluminum construction and plated tubes support long-term service in older Ford E-150 Econoline, E-250 Econoline, E-350 Econoline, and E-100 Econoline models, as well as Thunderbird and Cougar applications listed above. Part number 98576 is also cross-referenced to Nissens 94576 for the same application.

Common Issues This Part Can Address

• Coolant odor inside the cabin from a leaking heater core
• Weak or uneven heat output from restricted internal passages
• Fogging or dampness caused by heater core seepage
• Heat loss in high-mileage Ford van and passenger car HVAC systems
• Failure of an aging copper-style core that no longer holds pressure

Installation Notes and Quality Assurance

Verify the vehicle’s HVAC configuration, model year, and position before installation. This part is listed for front applications on the Econoline models shown and for vehicles with air conditioning systems on the 1977-1978 Thunderbird and Cougar listings. Replace any damaged seals or foam during service as needed, and confirm the cooling system is properly filled and bled after installation.

Each unit is individually pressure tested, and the design is validated through cycle, vibration, burst, and environmental testing. Part number 98576 is built as an OE-style replacement heater core for dependable service in the listed Ford and Mercury applications.