HomeHVAC > Motors, Core, Case and Related ComponentsUniversal Air HT400006C HVAC Heater Core - Front
Part #: HT400006C

Universal Air HT400006C HVAC Heater Core - Front

Heater Core Aluminum, Front
47 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Heater Core Aluminum, Front
Fitment: Chevrolet, Buick, Cadillac, and GMC, Blazer, Traverse, Enclave, XT5, XT6, Acadia, Cascada, Cruze, and Volt
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Reliable HVAC Heater Core Replacement for Select GM Vehicles

The Universal Air Heater Core Aluminum HT400006C is designed to restore efficient heating performance in your vehicle's HVAC system. Engineered for compatibility with various Buick, Cadillac, Chevrolet, and GMC models, this heater core ensures proper climate control and comfort during colder months.

  • Compatible with Buick Enclave, Chevrolet Traverse, Cruze, Volt, and Blazer
  • Fits Cadillac XT5 and XT6 models
  • Durable aluminum construction for effective heat transfer
  • Part number HT400006C for precise identification
  • Direct replacement for HVAC heater core components

About the Heater Core Aluminum Product Line

The Heater Core Aluminum line by Universal Air focuses on delivering heater cores constructed from aluminum, which offers improved heat dissipation and corrosion resistance compared to traditional materials. This product line is tailored to meet the specific HVAC requirements of various GM vehicles, including Buick, Cadillac, Chevrolet, and GMC models, ensuring reliable operation and longevity.

Product Details and Compatibility

The HT400006C heater core is a critical component within the HVAC system, responsible for transferring heat from the engine coolant to the cabin air. This replacement part is compatible with multiple GM vehicles such as the Buick Enclave and Chevrolet Traverse, as well as Cadillac XT5 and XT6. Its aluminum construction supports efficient heat exchange and durability under typical operating conditions.

Common Issues Addressed by This Heater Core

  • Insufficient cabin heating during cold weather
  • Coolant leaks inside the vehicle cabin
  • Reduced HVAC system efficiency
  • Unusual odors caused by leaking heater cores
  • Fogging or moisture buildup on interior windows

Installation Notes and Tips

Installation of the HT400006C heater core requires removal of the dashboard and HVAC housing in most compatible vehicles. It is recommended to drain the cooling system before removal to prevent spills. Ensure all connections and seals are properly reinstalled to avoid leaks. Professional installation is advised for those unfamiliar with HVAC system components.

Quality Assurance and Warranty

Universal Air provides this heater core with manufacturing quality controls to meet OEM standards. While specific warranty details are not provided, the HT400006C is designed to offer reliable performance consistent with the Heater Core Aluminum product line's durability and material standards.

This part fits 47 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2021ChevroletBlazerPremier3.6LV6N/AHeater Core Aluminum
2021ChevroletBlazerLT3.6LV6N/AHeater Core Aluminum
2021ChevroletBlazerRS3.6LV6N/AHeater Core Aluminum
2021ChevroletBlazerLT2.0LL4N/AHeater Core Aluminum
2021ChevroletBlazerTrue North2.0LL4N/AHeater Core Aluminum
2021ChevroletBlazerTrue North3.6LV6N/AHeater Core Aluminum
2021ChevroletBlazerL2.5LL4N/AHeater Core Aluminum
2021ChevroletBlazerLT2.5LL4N/AHeater Core Aluminum
2021ChevroletTraverseFrontHeater Core Aluminum
2020BuickEnclaveFrontHeater Core Aluminum
2020CadillacXT5N/AHeater Core Aluminum
2020CadillacXT6FrontHeater Core Aluminum
2020ChevroletBlazerN/AHeater Core Aluminum
2020ChevroletTraverseFrontMain Unit HVAC Heater Core; Heater Core Aluminum
2020GMCAcadiaFrontHeater Core Aluminum
2019BuickCascadaN/AFitment: Compatible with vehicles equipped with 2nd design A/C receiver drier.; Heater Core Aluminum
2019BuickEnclaveFrontHeater Core Aluminum
2019CadillacXT5FrontHeater Core Aluminum
2019ChevroletBlazerN/AHeater Core Aluminum
2019ChevroletCruzeFrontHeater Core Aluminum
2019ChevroletTraverseFrontMain Unit HVAC Heater Core; Heater Core Aluminum
2019GMCAcadiaFrontHeater Core Aluminum
2018BuickCascadaN/AHeater Core Aluminum
2018BuickEnclaveFrontHeater Core Aluminum
2018CadillacXT5FrontHeater Core Aluminum
2018ChevroletCruzeN/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2018ChevroletTraverseFrontMain Unit HVAC Heater Core; Heater Core Aluminum
2018ChevroletVoltN/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2018GMCAcadiaFrontHeater Core Aluminum
2017BuickCascadaN/AFitment: Compatible with vehicles equipped with 2nd design A/C receiver drier.; Heater Core Aluminum
2017CadillacXT5Front2nd Design; Without Tri-Zone; Heater Core Aluminum
2017ChevroletCruzeLS1.4LL4GASN/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2017ChevroletCruzeL1.4LL4GASN/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2017ChevroletCruzePremier1.4LL4GASN/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2017ChevroletCruzeLT1.4LL4GASN/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2017ChevroletCruzeLT1.6LL4DIESELN/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2017ChevroletCruzeDiesel1.6LL4DIESELN/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2017ChevroletVoltN/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2017GMCAcadiaFront2nd Design; Without Tri-Zone; Heater Core Aluminum
2016BuickCascadaN/AFitment: Compatible with vehicles equipped with 2nd design A/C receiver drier.; Heater Core Aluminum
2016ChevroletCruzeLS1.8LL4N/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2016ChevroletCruzeL1.4LL4N/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2016ChevroletCruzePremier1.4LL4N/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2016ChevroletCruzeLT1.8LL4N/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2016ChevroletCruzeLT1.4LL4N/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2016ChevroletCruzeLTZ1.4LL4N/A2nd Design; Without Tri-Zone; Heater Core Aluminum
2016ChevroletCruzeLS1.4LL4N/A2nd Design; Without Tri-Zone; Heater 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.