One Stop Solutions 98939 HVAC Heater Core

OE-Style Heater Core for Isuzu and Honda

Restore cabin heat with this OSC Premium new HVAC heater core, part number 98939. Built for Original Equipment form and function, it is a direct replacement for copper-style heater cores and is designed for select Isuzu Rodeo, Honda Passport, Isuzu Amigo, and Isuzu Pickup applications.

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 resist premature failure
• Individually pressure tested before release
• Includes foam and related accessories needed for installation
• Built to address original design failures and extend service life on high-mileage vehicles
• Tested for cycle, vibration, burst, and environmental durability

Detailed Description

OSC Premium heater core 98939 is engineered as a direct-fit HVAC heater core for vehicles that need dependable heat transfer and OE-style packaging. The aluminum core construction replaces copper-designed units while maintaining the original form and function expected in the dash HVAC system. This makes it a practical choice for drivers servicing older vehicles such as the Isuzu Rodeo and Honda Passport, where heater core replacement is often tied to age-related wear.

This part cross-references APDI 9010267 and Spectra Premium 98283 for the same application. The design focuses on durability, with plated tubes and pressure testing used to help reduce early leaks and performance loss. Part number 98939 is also a strong match for high-mileage repair work where the original heater core has developed flow restriction, seepage, or heat output issues.

Vehicle Fitment

• Fits 1991-1996 Isuzu Rodeo, N/A
• Fits 1994-1995 Honda Passport, N/A
• Fits 1989-1994 Isuzu Amigo, N/A
• Fits 1988-1992 Isuzu Pickup, N/A

Common Issues This Part May Solve

• Weak or inconsistent cabin heat
• Coolant seepage from a leaking heater core
• Restricted coolant flow through the HVAC core
• Heat loss caused by corrosion or internal tube failure
• Repeat failures on older, high-mileage vehicles

Installation Notes and Tips

Replace the heater core when the HVAC system is already opened for cooling-system service or dash removal. Verify the vehicle application by year, make, and model before installation, and inspect hoses, clamps, and coolant condition during service. Because this unit is aluminum and built as an OE-style replacement for copper-designed cores, confirm the original layout matches the vehicle’s factory heater core configuration.

Quality Assurance

Each OSC heater core is individually pressure tested and manufactured using premium-grade aluminum with plated tubes for added durability. Cycle, vibration, burst, and environmental testing are used to validate performance before the part is released.