One Stop Solutions 98004 HVAC Heater Core - Front

OE-Style Heater Core for Ford Super Duty

The One Stop Solutions 98004 HVAC heater core is built for direct replacement in select Ford truck and SUV applications. It uses an aluminum construction with pressure testing and included foam and accessories to support a clean, OE-style repair.

• German engineered for long service life and consistent heat transfer
• Large bore design for greater fluid capacity
• Aluminum core construction with cadmium-plated tubes inside and out to help resist premature failure
• Individually pressure tested for leak verification before installation
• Includes necessary foam and accessories for the heater core assembly

Detailed Product Overview

One Stop Solutions Part Number 98004 is an HVAC heater core designed to match original equipment form and function. It is made from premium-grade aluminum and is a direct replacement for copper-designed heater cores. This part cross-references APDI 9010027 for the same application. For Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford Excursion service work, this heater core supports restoration of cabin heat performance in the 1999-2004 model years covered by the fitment data.

Common Repair Symptoms

• Weak or inconsistent cabin heat
• Coolant odor inside the vehicle
• Fogging or film on the windshield from heater core leakage
• Coolant loss traced to the HVAC system
• Reduced heater output in Ford F-250 Super Duty, F-350 Super Duty, or Excursion applications

Installation Notes

Verify the vehicle build date before ordering, especially for 2004 Ford F-250 Super Duty and 2003 Ford F-350 Super Duty applications with cutoff notes. Confirm the HVAC case style and position before installation, since fitment includes N/A and front configurations. Replace worn seals and inspect the cooling system for contamination or debris before installing Part Number 98004.

Quality Assurance

OSC heater cores are manufactured from aluminum, individually pressure tested, and supplied with foam and accessories to support OE-style fitment and function. The cadmium-plated tubes are used to help reduce premature failure in demanding truck and fleet use.

Fitment

• Fits 2004 Ford F-250 Super Duty, N/A, to 11/3/04
• Fits 1999-2004 Ford F-350 Super Duty, N/A
• Fits 1999-2003 Ford F-250 Super Duty, N/A
• Fits 2003 Ford F-350 Super Duty, N/A, to 11/3/02
• Fits 2000-2002 Ford Excursion, front