Four Seasons 92255 HVAC Heater Core - Front

Heater Core for Toyota 4Runner and Lexus GX460

Restore cabin heat performance with the Four Seasons Heater Core 92255. This aluminum heater core is built to meet or exceed OEM requirements and is sized for direct replacement in select Toyota 4Runner and Lexus GX460 applications.

• Four Seasons Heater Core, part number 92255
• Aluminum heater core construction
• Core material: aluminum for efficient heat transfer
• Core dimensions: 5-5/8 in. length, 9-1/2 in. width, 1 in. thickness
• Core height: 5.625 in.; core depth: 1 in.; core width: 9.5 in.
• Meets or exceeds OEM specifications
• Compatible with 2010-2024 Toyota 4Runner, heater core application
• Compatible with 2010-2023 Lexus GX460, front heater core application

Product Details

The Four Seasons 92255 heater core is an aluminum HVAC core designed for vehicles that need reliable heat exchange inside the climate control system. Its compact dimensions and OE-style construction support proper fitment in the heater box for select Toyota 4Runner and Lexus GX460 models. This part cross-references APDI 9010571 for the same application.

Common Replacement Reasons

• 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
• Restricted heat output from a clogged or aging heater core

Installation Notes

Verify vehicle year, model, and HVAC configuration before installation. Confirm the core dimensions and tube positioning against the original unit, since adjustable pipe positioning is not provided. Proper cooling system service, including coolant inspection and system bleed procedures, should be completed during replacement.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM specifications, making it a direct-fit replacement option for select Toyota 4Runner and Lexus GX460 heating system repairs.