HomeHVAC > Motors, Core, Case and Related ComponentsUniversal Air HT399154C HVAC Heater Core - Front
Part #: HT399154C

Universal Air HT399154C HVAC Heater Core - Front

Heater Core Aluminum, Front
⚙️ 60 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Core Aluminum, Front
🚗Fitment: Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile, Trailblazer, Envoy, 9-7x, Ascender, Rainier, Envoy XL, Envoy XUV, and Bravada
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Reliable HVAC Heater Core Replacement for Select GM and Isuzu Models

The Universal Air Heater Core Aluminum HT399154C is designed to restore efficient heating performance in your vehicle's HVAC system. Engineered for compatibility with various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models, this heater core ensures proper fit and function.

Key Features of the HT399154C Heater Core

  • Constructed from durable aluminum for enhanced heat transfer and corrosion resistance
  • Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles
  • Fits models including 9-7x, Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, and Trailblazer
  • Part number HT399154C ensures precise identification and fitment
  • Designed for direct replacement in HVAC systems to maintain cabin comfort

About the Heater Core Aluminum Product Line

The Heater Core Aluminum line by Universal Air focuses on providing heater cores made from aluminum, a material known for its efficient heat conduction and resistance to corrosion. This product line supports reliable heating system operation by delivering consistent warmth and durability, making it suitable for the specified GM and Isuzu models requiring dependable HVAC heater core replacements.

Detailed Product Description

The HT399154C heater core is a critical component in your vehicle’s heating, ventilation, and air conditioning system. It functions by transferring heat from the engine coolant to the air blown into the cabin, ensuring comfortable interior temperatures. Manufactured with aluminum, this heater core offers improved thermal efficiency and longevity compared to traditional materials. It is engineered to fit a range of vehicles including Buick 9-7x, Chevrolet Trailblazer, GMC Envoy series, Isuzu Ascender, Oldsmobile Bravada, and Saab models, providing a reliable replacement option for maintaining HVAC performance.

Common Issues Addressed by the HT399154C Heater Core

  • Insufficient cabin heating due to clogged or leaking heater core
  • Coolant leaks inside the vehicle causing foggy windows or damp carpets
  • Overheating engine symptoms linked to heater core failure
  • Unpleasant odors from coolant entering the HVAC system
  • Reduced HVAC system efficiency impacting passenger comfort

Installation Notes and Tips

  • Ensure compatibility by verifying vehicle make and model before installation
  • Drain the cooling system prior to removal of the old heater core to prevent spills
  • Handle the aluminum core carefully to avoid damage to fins and tubes
  • Replace all associated seals and hoses to prevent leaks
  • Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty Information

Universal Air’s HT399154C heater core is manufactured to meet industry standards for durability and performance. While specific warranty details may vary, Universal Air products typically include coverage against manufacturing defects. It is recommended to consult the product documentation or supplier for exact warranty terms related to this heater core.

This part fits 60 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2009ChevroletTrailblazerN/AHeater Core Aluminum
2009GMCEnvoyFrontHeater Core Aluminum
2009Saab9-7xN/AHeater Core Aluminum
2008ChevroletTrailblazerN/AHeater Core Aluminum
2008GMCEnvoyFrontHeater Core Aluminum
2008IsuzuAscenderFrontHeater Core Aluminum
2008Saab9-7xN/AHeater Core Aluminum
2007BuickRainierN/AHeater Core Aluminum
2007ChevroletTrailblazerN/AHeater Core Aluminum
2007GMCEnvoyFrontHeater Core Aluminum
2007IsuzuAscenderFrontHeater Core Aluminum
2007Saab9-7xN/AHeater Core Aluminum
2006BuickRainierN/AHeater Core Aluminum
2006ChevroletTrailblazerLS5.3LV8N/AHeater Core Aluminum
2006ChevroletTrailblazer4.2LL6FrontHeater Core Aluminum
2006ChevroletTrailblazerB4.2LL6N/AHeater Core Aluminum
2006ChevroletTrailblazerLT5.3LV8N/AHeater Core Aluminum
2006ChevroletTrailblazerSS6.0LV8N/AHeater Core Aluminum
2006ChevroletTrailblazerA4.2LL6N/AHeater Core Aluminum
2006ChevroletTrailblazerLS4.2LL6N/AHeater Core Aluminum
2006ChevroletTrailblazerLT4.2LL6N/AHeater Core Aluminum
2006ChevroletTrailblazerBase4.2LL6N/AHeater Core Aluminum
2006GMCEnvoyFrontHeater Core Aluminum
2006IsuzuAscenderFrontHeater Core Aluminum
2006Saab9-7xN/AHeater Core Aluminum
2005BuickRainierN/AHeater Core Aluminum
2005ChevroletTrailblazerRN/AHeater Core Aluminum
2005ChevroletTrailblazerAN/AHeater Core Aluminum
2005ChevroletTrailblazerFrontHeater Core Aluminum
2005ChevroletTrailblazerQN/AHeater Core Aluminum
2005ChevroletTrailblazerLSN/AHeater Core Aluminum
2005ChevroletTrailblazerLTN/AHeater Core Aluminum
2005ChevroletTrailblazerBaseN/AHeater Core Aluminum
2005ChevroletTrailblazerBN/AHeater Core Aluminum
2005GMCEnvoyFrontHeater Core Aluminum
2005GMCEnvoy XLN/AHeater Core Aluminum
2005GMCEnvoy XUVN/AHeater Core Aluminum
2005IsuzuAscenderFrontHeater Core Aluminum
2005Saab9-7xN/AHeater Core Aluminum
2004BuickRainierN/AHeater Core Aluminum
2004ChevroletTrailblazerLSN/AHeater Core Aluminum
2004ChevroletTrailblazerAN/AHeater Core Aluminum
2004ChevroletTrailblazerFrontHeater Core Aluminum
2004ChevroletTrailblazerNorth FaceN/AHeater Core Aluminum
2004ChevroletTrailblazerBaseN/AHeater Core Aluminum
2004ChevroletTrailblazerLTN/AHeater Core Aluminum
2004ChevroletTrailblazerBN/AHeater Core Aluminum
2004GMCEnvoyFrontHeater Core Aluminum
2004GMCEnvoy XUVN/AHeater Core Aluminum
2004IsuzuAscenderFrontHeater Core Aluminum
2004OldsmobileBravadaN/AHeater Core Aluminum
2003ChevroletTrailblazerFrontHeater Core Aluminum
2003ChevroletTrailblazerNorth FaceN/AHeater Core Aluminum
2003ChevroletTrailblazerBaseN/AHeater Core Aluminum
2003ChevroletTrailblazerLSN/AHeater Core Aluminum
2003ChevroletTrailblazerLTN/AHeater Core Aluminum
2003ChevroletTrailblazerLTZN/AHeater Core Aluminum
2003GMCEnvoyFrontHeater Core Aluminum
2003IsuzuAscenderFrontHeater Core Aluminum
2003OldsmobileBravadaN/AHeater Core Aluminum

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.