Global Parts 8231357 HVAC Heater Core

HVAC Heater Core for Lincoln and Ford

Restore cabin heat with this Global Parts HVAC heater core, part number 8231357. It is a specific-fit aluminum replacement built for select Lincoln, Ford, and Mercury applications, including Lincoln Mark VIII, Ford Thunderbird, and Mercury Cougar models.

Key Features

• Specific-fit heater core for direct application matching
• Aluminum construction for efficient heat transfer
• Designed for vehicles with factory-style coolant routing
• No adjustable pipe positioning
• Fits 1993-1998 Lincoln Mark VIII, 1994-1997 Ford Thunderbird, and 1994-1997 Mercury Cougar

Product Details

The Global Parts 8231357 heater core transfers heat from the engine cooling system into the passenger compartment through the HVAC system. Built from aluminum, it supports efficient thermal exchange and is intended for vehicles that use the listed factory configuration. This part number 8231357 is a direct-fit option for Lincoln Mark VIII, Ford Thunderbird, and Mercury Cougar models within the specified years, including 1996 Thunderbird and 1996 Cougar applications with pipes that bend the same way.

This part cross-references Four Seasons 90774 for the same application.

What It Helps Fix

• No heat from the vents
• Weak or inconsistent cabin temperature
• Coolant odor inside the vehicle from a leaking heater core
• Fogging or moisture caused by heater core leakage
• Restricted coolant flow through the HVAC heater circuit

Installation Notes and Tips

• Verify the vehicle year, make, and model before installation.
• Confirm the pipe orientation matches the factory layout; adjustable pipe positioning is not provided.
• Inspect coolant hoses, clamps, and HVAC seals during replacement.
• Flush the cooling system if contamination or debris is present.
• Bleed air from the cooling system after installation to help prevent heat output issues.

Quality Assurance

Global Parts supplies this heater core as a specific-fit replacement built to match the listed applications. The aluminum design supports the heat transfer function required by the HVAC system, and the part number 8231357 is cataloged for direct replacement use on the covered Lincoln, Ford, and Mercury vehicles.