Universal Air HT400059C HVAC Heater Core

Heater Core for 2018-2021 Honda Odyssey

Universal Air HT400059C is an aluminum HVAC heater core for the 2018-2021 Honda Odyssey. It is built for direct-fit replacement service in the heating system and supports consistent cabin heat output when the original core is leaking, restricted, or no longer transferring heat properly.

Key Features

• Aluminum heater core construction
• Fits 2018-2021 Honda Odyssey, N/A
• HVAC heater core replacement for the heating system
• Part number HT400059C for ordering and cross-checking
• Universal Air Heater Core Aluminum product line

Product Details

The Universal Air Heater Core Aluminum line focuses on replacement heater cores built for HVAC service applications. HT400059C is the correct fitment for 2018, 2019, 2020, and 2021 Honda Odyssey models listed in the catalog, making it a direct reference for Honda Odyssey heater core replacement searches and HVAC repair planning. This part cross-references 1A Auto (e.g., 1AHC00059) for the same application.

Common Issues This Part Can Address

• Loss of cabin heat from a leaking or clogged heater core
• Coolant odor inside the vehicle from heater core seepage
• Fogging or film on the inside of the windshield caused by HVAC leakage
• Uneven or weak heat output from the climate control system
• Cooling system contamination related to heater core failure

Installation Notes and Tips

Verify the vehicle year and model before installation. On Honda Odyssey HVAC repairs, access to the heater core is typically through the HVAC case, so plan for coolant drainage and careful disassembly of surrounding trim and ducting. Inspect hoses, seals, and related HVAC components during service to confirm the repair addresses the full source of the heating issue.

Quality Assurance

Universal Air supplies HVAC replacement components for automotive heating and cooling service. HT400059C is cataloged as an aluminum heater core for the specified Honda Odyssey applications and should be matched to the vehicle by year and model before installation.