Universal Air HT394195C HVAC Heater Core

Universal Air HT394195C Heater Core

Universal Air HT394195C is an aluminum HVAC heater core for select GM and Isuzu compact trucks and SUVs. It is built for direct replacement service in vehicles that use the listed heater core application, including Chevrolet Blazer, GMC Jimmy, Chevrolet S10, GMC Sonoma, Oldsmobile Bravada, and Isuzu Hombre.

Key Features

• Aluminum heater core construction
• Direct-fit HVAC heater core replacement
• Compatible with select 1998-2005 Chevrolet Blazer applications
• Compatible with select 1998-2005 GMC Jimmy applications
• Compatible with select 1998-2004 Chevrolet S10 and GMC Sonoma applications
• Compatible with select 1998-2001 Oldsmobile Bravada applications
• Compatible with select 1998-2000 Isuzu Hombre applications
• Part number HT394195C for catalog and service matching

Detailed Description

This Universal Air Heater Core Aluminum line product is intended for HVAC repair where the original heater core has leaked, restricted coolant flow, or no longer transfers heat efficiently. The aluminum core design supports heat exchange inside the vehicle’s heater box and is listed for multiple platform-matched applications. If you are sourcing a Chevrolet Blazer heater core, GMC Jimmy heater core, or HT394195C replacement for a Chevrolet S10 or GMC Sonoma, this part number helps narrow the correct service match.

The HT394195C application coverage also includes Oldsmobile Bravada and Isuzu Hombre models within the listed years. Use the vehicle fitment details below to confirm year coverage before ordering.

Vehicle Fitment

• Fits 1998-2005 Chevrolet Blazer, N/A
• Fits 1998-2005 GMC Jimmy, N/A
• Fits 1998-2004 Chevrolet S10, N/A
• Fits 1998-2004 GMC Sonoma, N/A
• Fits 1998-2001 Oldsmobile Bravada, N/A
• Fits 1998-2000 Isuzu Hombre, N/A

Common Problems This Part Can Address

• Loss of cabin heat from a leaking or clogged heater core
• Coolant odor inside the passenger compartment
• Fogging or film on the inside of the windshield caused by heater core seepage
• Uneven or weak heat output from the HVAC system
• Coolant loss traced to the heater core circuit

Installation Notes and Tips

Confirm the vehicle year, make, and model against the listed fitment before installation. Heater core replacement typically requires access to the HVAC case, so inspect related hoses, clamps, and coolant condition during service. After installation, refill and bleed the cooling system according to the vehicle service procedure to remove trapped air and verify proper heater operation.

Quality Assurance

Universal Air Heater Core Aluminum parts are cataloged by application for service replacement use. Verify the part number HT394195C and the vehicle fitment details to ensure the correct HVAC heater core is selected for the repair.