Global Parts 8231704 HVAC Heater Core

Heater Core for Corvette and XLR

Global Parts 8231704 is a specific-fit HVAC heater core built with an aluminum construction for direct replacement service. It transfers heat from the engine cooling system into the cabin, helping restore proper interior heat output in supported Chevrolet Corvette and Cadillac XLR applications.

Key Features

• Specific-fit HVAC heater core for confirmed vehicle applications
• Aluminum construction for efficient heat transfer
• Direct replacement for 2005-2019 Chevrolet Corvette and 2006-2009 Cadillac XLR
• Part number 8231704 for catalog and cross-reference use
• Cross-references Dorman - HELP 91027 and Spectra Premium 98144 for the same application

Detailed Description

This Global Parts heater core is engineered for vehicles that rely on a compact, efficient cabin heat exchanger. In the Chevrolet Corvette and Cadillac XLR, the heater core works with the cooling system to move engine heat into the HVAC system, supporting consistent defrost and passenger comfort. The aluminum design helps promote thermal transfer while maintaining a service-ready replacement profile. Use part number 8231704 when searching for a specific-fit HVAC heater core for these applications.

Compatible With 2005-2019 Chevrolet Corvette and 2006-2009 Cadillac XLR, this heater core is a direct-fit service part for vehicles with the listed fitment only. Global Parts 8231704 is also a useful reference when comparing OE-style replacement options for Corvette and XLR HVAC repair.

What It Helps Fix

• Weak or no cabin heat
• Coolant odor inside the vehicle
• Fogged windows caused by poor heater performance
• Temperature inconsistency from a restricted heater core
• HVAC performance loss in Chevrolet Corvette and Cadillac XLR models

Installation Notes and Tips

Verify the vehicle year and model before installation, since this is a specific-fit part. Inspect coolant condition, hoses, and related HVAC components during service, and confirm the replacement core matches the original layout before reassembly. The adjustable pipe positioning attribute is listed as no, so pipe orientation should be matched to the original unit during installation.

Quality Assurance

Global Parts 8231704 is built as a specific-fit aluminum heater core for the listed applications. It cross-references Dorman - HELP 91027 and Spectra Premium 98144 for the same application, which helps with catalog matching and replacement verification.