One Stop Solutions 98989 HVAC Heater Core - Front

OE-Style Heater Core Replacement

The One Stop Solutions 98989 HVAC heater core is built as a direct replacement for the original equipment unit, with drop-in fit, form, and function. It is designed for Ford Super Duty and Excursion applications where dependable cabin heat and leak-resistant performance matter.

Made from premium-grade aluminum, this heater core uses cadmium-plated tubes inside and out to help resist premature failure. Each unit is individually pressure tested, and the included foam and accessories support a cleaner OE-style installation.

Key Features

• Drop-in fit, form, and function for OE-style replacement
• Premium 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
• Direct replacement for copper-designed heater core applications

Detailed Description

One Stop Solutions part number 98989 is an HVAC heater core engineered for original-equipment-style service in 2003-2006 Ford F-250 Super Duty, 2003-2006 Ford F-350 Super Duty, and 2003-2005 Ford Excursion applications. It is built to address common heater core failure points with aluminum construction and protective tube plating, while maintaining the form and function expected in a factory-style replacement. This part number 98989 is also cross-referenced to ACI 99300 for the same application.

Common Issues This Part May Resolve

• Loss of cabin heat from a leaking or restricted heater core
• Coolant odor or moisture inside the vehicle
• Reduced heater performance in high-mileage Ford F-250 Super Duty and Ford F-350 Super Duty trucks
• Premature failure associated with aging copper-style heater core designs
• Fitment concerns when replacing an OE-style HVAC heater core

Installation Notes and Tips

Verify the vehicle year, model, and position before installation. Fits 2005-2006 Ford F-250 Super Duty, N/A; Fits 2005-2006 Ford F-350 Super Duty, N/A; Fits 2003-2005 Ford Excursion, Front; Fits 2004 Ford F-250 Super Duty, N/A, From 11/3/04; Fits 2003 Ford F-350 Super Duty, N/A, From 11/4/02. Confirm the HVAC case configuration and compare the original part before removal. The included foam and accessories should be transferred or installed as directed during service.

Quality Assurance

OSC Premium heater cores are manufactured from premium aluminum and individually pressure tested. Cycle, vibration, burst, and environmental testing are used during development to help validate durability and service performance.