Spectra Premium HVAC Heater Core P/N:99395
Keep heat moving to the rear cabin with the Spectra Premium HVAC Heater Core (MPN 99395), a rear heater core that drops in as a direct-fit replacement for the 2000-2006 Chevrolet Sonora, Suburban 1500, Suburban 2500 and Tahoe, the 2000-2006 GMC Yukon, Yukon XL 1500 and Yukon XL 2500, the 2002-2006 Cadillac Escalade and Escalade EXT, and the 2003-2006 Escalade ESV (engine: All). It handles the rear HVAC circuit, passing hot engine coolant through its finned core so the blower can push warm air into the back of the vehicle.
- Aluminum construction: aluminum core, tubes and tanks.
- Pipe sizing: 0.75 in inlet and 0.75 in outlet pipe diameters.
- OE-level build: engineered to meet or exceed the performance of the original equipment it replaces.
- Specific fit: application-specific, one per vehicle for the listed models.
If a leaking, clogged or corroded rear heater core is behind weak rear heat, a sweet coolant smell, damp carpet or interior fogging, this unit replaces it. Diagnose the cause before replacing, since those signs can have other sources. Country of origin: China.
Interchange: 26686979010035882 · 9010464 · 9949 · 91030 · 12477714 · 89024919 · HTR010037 · 99166 · 9929 · 92030 · 1812411 · 100438
Manufacturer part number 99395.
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 aluminum core so the rear blower can transfer that heat into air and warm the rear cabin.
Is this a front or rear heater core?
This is the rear heater core, serving the rear HVAC circuit on the listed applications.
What is it made of?
The core, tubes and tanks are aluminum. The inlet and outlet pipe diameters are each 0.75 in.
Which vehicles does it fit?
It fits the 2000-2006 Chevrolet Sonora, Suburban 1500/2500, Tahoe, GMC Yukon and Yukon XL 1500/2500, plus 2002-2006 Cadillac Escalade/EXT and 2003-2006 ESV. See the Buyer's Guide tab.
How do I know my rear heater core has failed?
Signs that may point to a failed core include weak rear heat, a sweet coolant odor, damp carpet or interior fogging. Diagnose the cause before replacing, as other parts can cause these symptoms.
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