APDI 9010543 HVAC Heater Core

APDI 9010543 Heater Core for Toyota Applications

APDI 9010543 is an aluminum heater core built for Toyota HVAC systems that need reliable cabin heat transfer in a compact OE-style layout. It is listed for the Toyota FJ Cruiser, Lexus GX470, and Toyota 4Runner, with fitment spanning 2003-2014 depending on model.

Key Features

• Aluminum core construction and aluminum tank material
• Core height: 4-7/8 in.
• Core width: 10-3/4 in.
• Core thickness: 1 in.
• Inlet pipe diameter: 11/16 in.
• Outlet pipe diameter: 11/16 in.
• Heater core replacement for Toyota and Lexus HVAC systems

Product Details

This APDI Heater Core, part number 9010543, is a direct-fit HVAC heater core for select Toyota and Lexus vehicles. The aluminum construction supports efficient heat transfer while keeping the core and tanks lightweight and corrosion resistant. For shoppers searching for a Toyota 4Runner heater core, Lexus GX470 heater core, or Toyota FJ Cruiser heater core, this unit matches the listed dimensions and pipe sizes for the specified applications. This part cross-references Four Seasons 92172 and 98028 for the same application.

Vehicle Fitment

• Fits 2007-2014 Toyota FJ Cruiser, Heater Core
• Fits 2003-2009 Lexus GX470, Heater Core
• Fits 2003-2009 Toyota 4Runner, Heater Core

Common Replacement Reasons

• Weak or inconsistent cabin heat
• Coolant seepage from the heater core area
• Restricted coolant flow through the HVAC core
• Fogging or sweet odor caused by heater core leakage
• Restoring proper defrost and heater performance

Installation Notes

Verify core height, width, thickness, and inlet/outlet pipe diameter before installation. Confirm the vehicle’s HVAC configuration and compare the removed part to APDI 9010543 to ensure the correct Toyota heater core replacement. Because heater core access often requires dashboard or HVAC case removal, professional installation is commonly preferred.

Quality Assurance

APDI supplies HVAC replacement components with application-specific dimensions for accurate fitment on listed Toyota and Lexus models. Part number 9010543 is built with aluminum core and tank materials to match the requirements of the specified heater core applications.