HomeHVAC > Motors, Core, Case and Related ComponentsFour Seasons 90037 HVAC Heater Core
Part #: 90037

Four Seasons 90037 HVAC Heater Core

Heater Core
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Core
🚗Fitment: Toyota, Celica
🔄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 90037 for Toyota Celica

The Four Seasons Heater Core 90037 is designed specifically for Toyota Celica models, providing reliable heating performance. This aluminum heater core ensures efficient heat transfer and durability for your vehicle's HVAC system.

  • Core dimensions: 5-1/2 inches length, 8-3/4 inches width, 1 inch thickness
  • Constructed from durable aluminum core material
  • Core depth: 1.000 inch, core height: 5.500 inches, core width: 8.750 inches
  • Tube diameter: 0.750 inch (19.05 mm) for both inlet and outlet tubes
  • Meets or exceeds OEM specifications for Toyota Celica
  • Non-adjustable pipe positioning for direct fitment

Detailed Product Description

The Four Seasons Heater Core 90037 is part of the Heater Core product line, engineered to meet the heating needs of Toyota Celica vehicles. This aluminum heater core offers a balance of lightweight construction and effective heat dissipation. With precise core dimensions and tube sizes, it integrates seamlessly into the HVAC system without requiring modifications. The non-adjustable pipe positioning ensures a straightforward replacement process, maintaining the original equipment fit and function.

Common Applications and Problem Solving

  • Restores heating efficiency in Toyota Celica HVAC systems
  • Replaces leaking or clogged heater cores causing coolant loss
  • Eliminates fogging or insufficient cabin heat issues
  • Prevents engine overheating related to heater core failure
  • Addresses unpleasant odors caused by damaged heater cores

Installation Notes and Tips

When installing the Four Seasons Heater Core 90037, ensure the vehicle is properly cooled down and the cooling system is depressurized. Due to the fixed pipe positioning, no adjustments are necessary, simplifying the installation process. Verify all hose connections are secure to prevent leaks. It is recommended to flush the cooling system before installation to remove debris and contaminants.

Quality Assurance and Warranty

This heater core meets or exceeds OEM standards for Toyota Celica applications, ensuring reliable performance and durability. Manufactured with high-quality aluminum, it resists corrosion and wear. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls to support long-term use.

BrandFour Seasons
Part Number90037
PositionHeater Core
Length5-1/2
Thickness1
Width8-3/4
Core MaterialAluminum
Adjustable Pipe PositioningNo
Core Depth IN1.000
Core Height IN5.500
Core Width IN8.750
DescriptionHeater cores
Meets / Exceeds OEM?Yes
StyleAluminum heater core
Tube 1 IN0.750
Tube 1 MM19.050
Tube 2 IN0.750
Tube 2 MM19.050
TypeHeater core /aluminum

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2005ToyotaCelicaN/AHeater Core
2004ToyotaCelicaN/AHeater Core
2003ToyotaCelicaN/AHeater Core
2002ToyotaCelicaN/AHeater Core
2001ToyotaCelicaN/AHeater Core
2000ToyotaCelicaN/AFrom 8/99; 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:

1119303718122772796733992565530376603605823148587107206909003790103709303798037HT2097HT2097C

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