One Stop Solutions 99306 HVAC Heater Core

Brand One Stop Solutions 99306
Fits Toyota · 46 vehicles

Heater core. Restores heat transfer in the HVAC system.

Cross-references OSC 98052 for the same application. See all 1.

$107.32Free shipping
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HVAC Heater Core for Toyota Tundra and Sequoia

Restore cabin heat performance with this HVAC heater core from One Stop Solutions. Part number 99306 is a direct-fit replacement for select Toyota Tundra and Toyota Sequoia applications, covering model years 2007-2018 and 2009-2018 respectively.

Key Features

  • HVAC heater core for interior heating system service
  • Fits 2009-2018 Toyota Sequoia, N/A
  • Fits 2007-2018 Toyota Tundra, N/A
  • One Stop Solutions part number 99306
  • Cross-references OSC 98052 for the same application

Product Details

This heater core is used in the vehicle HVAC system to transfer heat into the cabin air stream. For Toyota Tundra and Toyota Sequoia owners dealing with weak heat output, coolant odor inside the cabin, or heater performance loss, part number 99306 provides the replacement component needed to service the heating circuit. It is listed for the broad 2007-2018 Toyota Tundra and 2009-2018 Toyota Sequoia fitment ranges shown above.

Common Issues This Part May Address

  • Reduced or uneven cabin heat
  • Coolant smell from the HVAC area
  • Heater core leakage
  • Restricted heat transfer through the HVAC system
  • Heating performance loss in Toyota Tundra or Toyota Sequoia models

Installation Notes

Installation typically requires access to the HVAC case and cooling system. Drain and refill coolant as needed, and verify the system is properly bled after installation. Confirm vehicle year and model match the fitment listing for 99306 before ordering.

Quality Assurance

One Stop Solutions supplies this heater core as an OE-style replacement component for the listed Toyota applications. Verify fitment against your vehicle details and existing part number before installation.

This part fits 46 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2018ToyotaSequoia5.7LV8N/A—
2018ToyotaTundra4.6LV8N/A—
2018ToyotaTundra5.7LV8N/A—
2017ToyotaSequoia5.7LV8N/A—
2017ToyotaTundra4.6LV8N/A—
2017ToyotaTundra5.7LV8N/A—
2016ToyotaSequoia5.7LV8N/A—
2016ToyotaTundra4.6LV8N/A—
2016ToyotaTundra5.7LV8N/A—
2015ToyotaSequoia5.7LV8N/A—
2015ToyotaTundra4.6LV8N/A—
2015ToyotaTundra5.7LV8N/A—
2014ToyotaSequoia5.7LV8N/A—
2014ToyotaTundra4.0LV6N/A—
2014ToyotaTundra4.6LV8N/A—
2014ToyotaTundra5.7LV8N/A—
2013ToyotaSequoia5.7LV8N/A—
2013ToyotaTundra4.0LV6N/A—
2013ToyotaTundra4.6LV8N/A—
2013ToyotaTundra5.7LV8N/A—
2012ToyotaSequoia4.6LV8N/A—
2012ToyotaSequoia5.7LV8N/A—
2012ToyotaTundra4.0LV6N/A—
2012ToyotaTundra4.6LV8N/A—
2012ToyotaTundra5.7LV8N/A—
2011ToyotaSequoia4.6LV8N/A—
2011ToyotaSequoia5.7LV8N/A—
2011ToyotaTundra4.0LV6N/A—
2011ToyotaTundra4.6LV8N/A—
2011ToyotaTundra5.7LV8N/A—
2010ToyotaSequoia4.6LV8N/A—
2010ToyotaSequoia5.7LV8N/A—
2010ToyotaTundra4.0LV6N/A—
2010ToyotaTundra4.6LV8N/A—
2010ToyotaTundra5.7LV8N/A—
2009ToyotaSequoia4.7LV8N/A—
2009ToyotaSequoia5.7LV8N/A—
2009ToyotaTundra4.7LV8N/A—
2009ToyotaTundra4.0LV6N/A—
2009ToyotaTundra5.7LV8N/A—
2008ToyotaTundra4.7LV8N/A—
2008ToyotaTundra4.0LV6N/A—
2008ToyotaTundra5.7LV8N/A—
2007ToyotaTundra4.7LV8N/A—
2007ToyotaTundra4.0LV6N/A—
2007ToyotaTundra5.7LV8N/A—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
OSC — 98052