HomeHVAC > Motors, Core, Case and Related ComponentsFour Seasons 90079 HVAC Heater Core - Front
Part #: 90079

Four Seasons 90079 HVAC Heater Core - Front

Heater Core, Front
⚙️ 15 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Core, Front
🚗Fitment: Toyota, 4Runner, Tacoma, and Tundra
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons Heater Core 90079

The Four Seasons Heater Core 90079 is designed specifically for Toyota 4Runner, Tacoma, and Tundra models. This aluminum heater core provides reliable heating performance and meets or exceeds OEM standards, ensuring compatibility and durability for your vehicle's HVAC system.

  • Core dimensions: 8-5/8 inches length, 6-3/8 inches width, 1 inch thickness
  • Constructed from durable aluminum material
  • Core depth and height precisely 1.000 inch and 8.625 inches respectively
  • Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet tubes
  • Meets or exceeds original equipment manufacturer (OEM) specifications
  • Non-adjustable pipe positioning for direct fitment

Four Seasons Heater Core Product Line Details

The Four Seasons Heater Core product line focuses on delivering reliable HVAC heater cores engineered to match or surpass OEM quality. The Heater Core line is designed to provide efficient heat transfer and long-lasting performance, making it a suitable replacement part for Toyota 4Runner, Tacoma, and Tundra vehicles requiring a dependable heating solution.

Product Description and Specifications

This HVAC heater core from Four Seasons features an aluminum core that offers corrosion resistance and efficient heat conduction. The core measures 8.625 inches in height, 6.375 inches in width, and 1 inch in thickness, providing a compact yet effective heating element. Both inlet and outlet tubes have a diameter of 0.625 inches (15.875 mm), ensuring proper coolant flow. The fixed pipe positioning simplifies installation by matching the original design without the need for adjustments.

Common Applications and Problem Solving

  • Restores heating functionality in Toyota 4Runner, Tacoma, and Tundra HVAC systems
  • Replaces leaking or clogged heater cores causing coolant loss or poor cabin heat
  • Addresses issues with insufficient heat output during cold weather
  • Eliminates unpleasant odors caused by damaged heater cores
  • Prevents engine overheating related to heater core failures

Installation Notes and Tips

When installing the Four Seasons Heater Core 90079, ensure compatibility with your Toyota 4Runner, Tacoma, or Tundra model year and HVAC system. The non-adjustable pipe positioning requires precise alignment with existing hoses and fittings. It is recommended to flush the cooling system before installation to remove debris and prevent premature clogging. Professional installation is advised to avoid damage to the core or HVAC components.

Quality Assurance and Warranty

The Four Seasons Heater Core 90079 meets or exceeds OEM specifications, providing assurance of quality and fitment. Manufactured with corrosion-resistant aluminum, this heater core is built for durability and consistent performance. Please refer to Four Seasons' warranty policy for specific coverage details.

BrandFour Seasons
Part Number90079
PositionHeater Core, Front
Length8-5/8
Thickness1
Width6-3/8
Core MaterialAluminum
Adjustable Pipe PositioningNo
Core Depth IN1.000
Core Height IN8.625
Core Width IN6.375
DescriptionHeater cores
Meets / Exceeds OEM?Yes
StyleAluminum heater core
Tube 1 IN0.625
Tube 1 MM15.875
Tube 2 IN0.625
Tube 2 MM15.875
TypeHeater core /aluminum

This part fits 15 vehicles. Search below:

YearMakeModelPositionNotes
2004ToyotaTacomaN/AHeater Core
2003ToyotaTacomaN/AHeater Core
2003ToyotaTundraN/ATo 8/02; Heater Core
2002Toyota4RunnerFrontHeater Core
2002ToyotaTacomaN/AHeater Core
2002ToyotaTundraN/AHeater Core
2001Toyota4RunnerFrontHeater Core
2001ToyotaTacomaN/AFrom 9/00; Heater Core
2001ToyotaTundraN/AHeater Core
2000Toyota4RunnerFrontHeater Core
2000ToyotaTundraN/AHeater Core
1999Toyota4RunnerFrontHeater Core
1998Toyota4RunnerFrontHeater Core
1997Toyota4RunnerFrontHeater Core
1996Toyota4RunnerFrontFrom 11/95; 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:

111930791812026181240020971127971139928755307966036108231410871070C010871070C040871073506090079901037593079980799916299287HT399287HT399287C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.