Spectra Premium HVAC Heater Core P/N:94821
Move heat from your engine's coolant into the cabin air with the Spectra Premium HVAC Heater Core 94821, a front HVAC heater core that drops in as a direct-fit replacement for the 2016-2019 Buick Cascada, 2018-2024 Buick Enclave, 2017-2026 Cadillac XT5, 2020-2025 Cadillac XT6, 2019-2025 Chevrolet Blazer, 2016-2019 Chevrolet Cruze, 2018-2023 Chevrolet Traverse, 2024 Chevrolet Traverse Limited, 2016-2019 Chevrolet Volt and 2017-2023 GMC Acadia (all engines — see the Buyer's Guide tab for the full list). A heater core routes hot coolant through a finned core so blower air passing over it is warmed for the defrost and heat settings; if a leaking or clogged core is the cause of weak heat, fogged glass, or a sweet coolant smell, this unit replaces it.
- All-aluminum construction: aluminum core, tubes and tanks for efficient heat transfer.
- Inlet and outlet pipes: both measure 0.875 in in diameter.
- Front HVAC fit: specific-fit design for the listed front heater applications.
- OE-level performance: built to meet or exceed the output of the original equipment it replaces.
Interchange: 9010786 · 9010928 · 92458 · 13287939 · 84206592 · 1812998 · HT2238C. Manufacturer part number 94821. Country of origin: China.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this heater core do?
It routes hot engine coolant through a finned core so blower air passing over it is warmed for the cabin heat and defrost functions.
Which vehicles does the 94821 fit?
It's a direct-fit replacement for models such as the Buick Enclave, Cadillac XT5/XT6, Chevrolet Blazer, Traverse, Cruze and Volt, and GMC Acadia. See the Buyer's Guide tab for the full list and years.
What is it made of?
The core, tubes and tanks are all aluminum for efficient heat transfer.
What are the inlet and outlet pipe sizes?
Both the inlet and outlet pipes measure 0.875 inch in diameter.
What are signs my heater core may need replacing?
Weak or no cabin heat, fogged-up windows, a sweet coolant odor, or coolant on the floor can point to a leaking or clogged core. Diagnose the cause before replacing.
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