OE Quality
60-Day Returns

Four Seasons 92177 HVAC Heater Core - Front
Reliable Heater Core Replacement for Toyota Sequoia and Tundra
The Four Seasons Heater Core part number 92177 is designed to restore efficient heating performance in your Toyota Sequoia or Tundra. Engineered with durable aluminum construction, this heater core meets or exceeds OEM specifications to ensure reliable operation and long service life.
- Core dimensions: 10-5/8 inches length, 4 inches width, 1 inch thickness
- Constructed from corrosion-resistant aluminum material
- Core height: 10.625 inches; core depth: 1 inch; core width: 4 inches
- Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet tubes
- Designed specifically for Toyota Sequoia and Tundra models
- Meets or exceeds original equipment manufacturer (OEM) standards
Four Seasons Heater Core Product Line Overview
The Four Seasons Heater Core line focuses on delivering dependable HVAC components that maintain proper cabin heating and comfort. This aluminum heater core is part of that line, offering a balance of durability and efficient heat transfer. The design ensures compatibility with factory specifications, providing a direct replacement for your vehicle’s original heater core.
Detailed Product Description
This HVAC heater core features a robust aluminum core that measures 10-5/8 inches in length, 4 inches in width, and 1 inch in thickness. The aluminum construction provides resistance to corrosion and enhances heat dissipation, which is critical for maintaining consistent cabin temperature. Both inlet and outlet tubes have a diameter of 0.625 inches (15.875 mm), matching OEM dimensions for seamless integration. The heater core is engineered without adjustable pipe positioning, ensuring a precise fit for Toyota Sequoia and Tundra models. Part number 92177 is manufactured to meet or exceed OEM quality standards, making it a reliable choice for restoring your vehicle’s heating system.
Common Issues Addressed by This Heater Core
- Insufficient cabin heat due to clogged or leaking heater core
- Coolant leaks inside the vehicle’s HVAC system
- Fogging or moisture buildup on interior windows
- Overheating caused by inefficient heat exchange
- Unpleasant odors from contaminated or damaged heater core
Installation Notes and Tips
When replacing the heater core in Toyota Sequoia or Tundra models, ensure the cooling system is properly drained before removal. Verify that the inlet and outlet tubes align correctly with the vehicle’s HVAC hoses. Since this heater core does not feature adjustable pipe positioning, precise fitment is essential. Inspect all seals and connections for leaks after installation and refill the cooling system with the appropriate coolant. It is recommended to flush the heater core housing to remove any debris before installing the new unit.
Quality Assurance and Warranty
The Four Seasons Heater Core 92177 is manufactured to meet or exceed OEM specifications, ensuring consistent performance and durability. This part undergoes rigorous quality control to maintain reliability in demanding automotive environments. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 92177 |
| Position | Heater Core, Front |
| Length | 10-5/8 |
| Thickness | 1 |
| Width | 4 |
| Core Material | Aluminum |
| Adjustable Pipe Positioning | No |
| Core Depth IN | 1.000 |
| Core Height IN | 10.625 |
| Core Width IN | 4.000 |
| Description | Heater cores |
| Meets / Exceeds OEM? | Yes |
| Style | Aluminum heater core |
| Tube 1 IN | 0.625 |
| Tube 1 MM | 15.875 |
| Tube 2 IN | 0.625 |
| Tube 2 MM | 15.875 |
| Type | Heater core /aluminum |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2022 | Toyota | Sequoia | Front | Heater Core |
| 2021 | Toyota | Sequoia | Front | Heater Core |
| 2021 | Toyota | Tundra | N/A | Heater Core |
| 2020 | Toyota | Sequoia | Front | Heater Core |
| 2020 | Toyota | Tundra | N/A | Heater Core |
| 2019 | Toyota | Sequoia | Front | Heater Core |
| 2019 | Toyota | Tundra | N/A | Heater Core |
| 2018 | Toyota | Sequoia | Front | Heater Core |
| 2018 | Toyota | Tundra | N/A | Heater Core |
| 2017 | Toyota | Sequoia | Front | Heater Core |
| 2017 | Toyota | Tundra | N/A | Heater Core |
| 2016 | Toyota | Sequoia | Front | Heater Core |
| 2016 | Toyota | Tundra | N/A | Heater Core |
| 2015 | Toyota | Sequoia | Front | Heater Core |
| 2015 | Toyota | Tundra | N/A | Heater Core |
| 2014 | Toyota | Sequoia | Front | Heater Core |
| 2014 | Toyota | Tundra | N/A | Heater Core |
| 2013 | Toyota | Sequoia | Front | Heater Core |
| 2013 | Toyota | Tundra | N/A | Heater Core |
| 2012 | Toyota | Sequoia | Front | Heater Core |
| 2012 | Toyota | Tundra | N/A | Heater Core |
| 2011 | Toyota | Sequoia | Front | Heater Core |
| 2011 | Toyota | Tundra | N/A | Heater Core |
| 2010 | Toyota | Sequoia | Front | Heater Core |
| 2010 | Toyota | Tundra | N/A | Heater Core |
| 2009 | Toyota | Sequoia | Front | Heater Core |
| 2009 | Toyota | Tundra | N/A | Heater Core |
| 2008 | Toyota | Tundra | N/A | Heater Core |
| 2007 | Toyota | Tundra | N/A | From 11/06; Heater Core |
* 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.