Global Parts 8231629 HVAC Heater Core - Rear

Rear Heater Core for Expedition and Navigator

Global Parts 8231629 is a specific-fit HVAC heater core for rear climate control applications in the Ford Expedition and Lincoln Navigator. Built from aluminum, it transfers heat from the engine cooling system to the cabin to support rear passenger comfort in 2007-2017 models with a 119-inch wheelbase.

This heater core cross-references Four Seasons 92144 for the same application.

Key Features

• Specific-fit replacement for rear HVAC service
• Aluminum construction for efficient heat transfer
• Fits rear position applications only
• Compatible with 2007-2017 Ford Expedition, rear, w/ 119in wheelbase
• Compatible with 2007-2017 Lincoln Navigator, rear, w/ 119in wheelbase
• Global Parts part number 8231629

Product Details

The Global Parts 8231629 heater core is engineered for rear heating systems in full-size SUVs that use a 119-inch wheelbase configuration. As a heater core, it works by moving heat from engine coolant into the vehicle interior, helping restore proper rear cabin heat output when the original unit is restricted, leaking, or no longer transferring heat effectively. The aluminum core construction supports thermal transfer in a direct replacement format for Ford Expedition and Lincoln Navigator rear HVAC service.

Use this part when servicing rear heat complaints on the Expedition or Navigator and when the original heater core shows signs of internal blockage, coolant odor, or reduced cabin temperature. The part number 8231629 is also useful for catalog matching during HVAC repair and replacement.

Common Issues This Part Can Address

• Weak or no rear cabin heat
• Coolant odor inside the vehicle
• Coolant loss from a leaking heater core
• Restricted coolant flow through the rear HVAC circuit
• Uneven temperature output in rear passenger areas

Installation Notes and Tips

• Verify rear position fitment before ordering; this unit is for 2007-2017 Ford Expedition and Lincoln Navigator with a 119-inch wheelbase.
• Inspect coolant hoses, clamps, and related HVAC components during replacement.
• Flush the cooling system if contamination or debris is present.
• Confirm the replacement matches the original heater core layout and connection points before installation.

Quality Assurance

Global Parts 8231629 is a specific-fit aluminum heater core built for the listed rear applications. It is cataloged for direct replacement use in Ford Expedition and Lincoln Navigator HVAC repair, with interchange references including Spectra Premium 98130 and 98152.