Bring heat back to the rear cabin with the Agility Auto Parts Rear HVAC Heater Core 9010555, a direct-fit Tahoe heater core replacement that also serves a wide range of GM and Chrysler SUVs and minivans. This rear heater core is the compact coolant-to-air heat exchanger that warms the air routed to the rear vents; when it clogs or leaks you may notice weak rear heat, a sweet coolant smell, interior fogging, or coolant on the rear floor.
Key features:
Ships as a kit; one unit per application. Country of origin: China. Direct-fit for the 2007-2020 Chevrolet Tahoe, 2007-2020 Cadillac Escalade, 2008-2022 Buick Enclave, 2007-2021 GMC Acadia, 2007-2020 GMC Yukon and 2017-2025 Chrysler Pacifica, among others — see the Buyer's Guide tab for the full list.
Interchange: 18-12382
1812382 · 68268021AA · 15232212 · 84406079 · 99130 · 92008 · 99379 · 399421
This part cross-references / interchanges with the following part numbers:
Does this fit a Chevrolet Tahoe?
Yes — this chevy Tahoe heater core is a direct fit for the 2007-2020 Chevrolet Tahoe. It also fits the Cadillac Escalade, GMC Yukon and more; check the Buyer's Guide tab to confirm your year.
Will this work as a Gmc Acadia heater core?
Yes, it's a direct-fit rear heater core for the 2007-2021 GMC Acadia. Note the separate GMC Acadia Limited is 2017 only — confirm your exact year in the Buyer's Guide.
Is this a front or rear heater core?
This is a rear heater core, serving the rear cabin heating circuit on the listed vehicles.
What is it made of?
The core and tanks are aluminum, and both the inlet and outlet use O-ring connections. Each unit is 100% leak tested and built under ISO TS16949 quality systems.
How do I know my heater core needs replacing?
Common signs include weak or no rear heat, a sweet coolant odor, interior fogging, or coolant pooling on the rear floor. Diagnose the cause first, since other parts can produce these symptoms.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
