Universal Air HT399329C HVAC Heater Core

Heater Core for Select GM Applications

Universal Air Heater Core Aluminum HT399329C is a direct-fit HVAC heater core for select Chevrolet, Buick, and Pontiac vehicles. It is built for applications that need reliable cabin heat and stable coolant-to-air heat transfer, including Chevrolet Impala, Chevrolet Impala Limited, Buick Allure, Buick LaCrosse, Pontiac Grand Prix, and Chevrolet Monte Carlo fitments.

Key Features

• Aluminum heater core construction
• HVAC heater core replacement for factory-style heating system service
• Fits select 2004-2016 GM passenger vehicles
• Part number HT399329C for application matching
• Compatible with Chevrolet Impala and Chevrolet Impala Limited heater core service

Detailed Description

Universal Air HT399329C is a heater core aluminum replacement used in the vehicle HVAC system to transfer heat from engine coolant into the cabin air stream. This part is listed for 2004-2013 Chevrolet Impala, 2014-2016 Chevrolet Impala Limited, 2005-2009 Buick Allure, 2005-2009 Buick LaCrosse, 2004-2008 Pontiac Grand Prix, and 2004-2007 Chevrolet Monte Carlo. If you are searching for a Chevrolet Impala heater core aluminum replacement or a Buick LaCrosse HVAC heater core, HT399329C provides the correct fitment reference for those applications.

The Universal Air heater core line focuses on replacement HVAC core service for vehicles that need dependable interior heat output. Use part number HT399329C when matching the heater core to the listed GM platforms and model years.

What It Helps Address

• Weak or uneven cabin heat
• Coolant odor inside the vehicle
• Interior windshield fogging related to heater core leakage
• Loss of heat transfer through the HVAC system
• Replacement of a leaking or restricted heater core

Installation Notes and Tips

Verify the vehicle year, make, and model before ordering. Heater core replacement typically requires access to the HVAC case, so compare the original unit to HT399329C before installation. Flush the cooling system and inspect hoses, clamps, and related HVAC components during service to help prevent repeat contamination or flow restriction.

Quality Assurance

Use HT399329C as the fitment reference for the listed applications and confirm compatibility against the vehicle’s HVAC configuration before installation. This part cross-references no additional part numbers in the provided data.