Universal Air HT400107C HVAC Heater Core - Rear

Rear Heater Core for Lexus GX460

Universal Air HT400107C is a rear HVAC heater core for select Lexus GX460 models. It is built for direct replacement service in the rear heating circuit and supports restoration of cabin heat output when the original core is leaking, restricted, or no longer transferring heat properly.

Key Features

• Rear HVAC heater core for select Lexus GX460 applications
• Aluminum construction for efficient heat transfer
• Direct-fit replacement part for rear heater service
• Part number HT400107C for ordering and identification
• Fits 2011-2012 Lexus GX460, rear
• Fits 2016 Lexus GX460, rear
• Fits 2019 Lexus GX460, rear

Product Details

This Universal Air Heater Core Aluminum line part is intended for rear climate control repair on the Lexus GX460. The aluminum core design supports thermal transfer in the HVAC system and is a practical replacement when the rear heater core has developed coolant seepage, reduced heat output, or internal blockage. If you are searching for a rear heater core for Lexus GX460 2011-2012, 2016, or 2019 models, HT400107C matches the listed rear-position fitment.

The Heater Core Aluminum product line focuses on replacement HVAC core components for vehicles that need dependable cabin heat restoration without changing the original system layout. HT400107C is identified for rear installation only and should be matched to the vehicle’s year and configuration before purchase.

What It Helps Fix

• Weak or uneven rear cabin heat
• Coolant odor from a leaking heater core
• Fogging caused by HVAC coolant seepage
• Restricted coolant flow through the rear heater circuit
• Loss of rear passenger comfort in cold weather

Installation Notes

Verify the vehicle year and rear-position application before installation. Drain and refill coolant according to service procedures, and inspect hoses, clamps, and HVAC connections for wear or contamination while the system is open. Proper bleeding of the cooling system is important after heater core replacement to help prevent air pockets and uneven heat output.

Quality Assurance

Universal Air HT400107C is a replacement HVAC heater core built for the listed Lexus GX460 rear applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.