HomeHVAC > A/C Condenser and EvaporatorFour Seasons 54788 A/C Evaporator Core
Part #: 54788

Four Seasons 54788 A/C Evaporator Core

Evaporator Core
6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Evaporator Core
Fitment: Toyota, T100
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 Evaporator Core 54788

The Four Seasons Evaporator Core 54788 is designed specifically for Toyota T100 models, providing reliable air conditioning performance. This A/C evaporator core is engineered to meet OEM specifications, ensuring proper fit and function within your vehicle's HVAC system.

  • Compatible with Toyota T100 vehicles
  • Core dimensions: 9.25" width x 8.875" height x approximately 3.18" depth
  • Constructed from durable aluminum material
  • Inlet fitting: Female o-ring, No. 8 outside diameter
  • Outlet fitting: Male insert o-ring, No. 10 outside diameter
  • Includes green o-rings for secure sealing
  • Serpentine type core design for efficient refrigerant flow

Detailed Product Description

The Four Seasons Evaporator Core 54788 is part of the Evaporator Core brand line, which focuses on delivering precise HVAC components for vehicle air conditioning systems. This evaporator core features a serpentine design that optimizes refrigerant flow and heat exchange efficiency. Measuring 9.25 inches in width, 8.875 inches in height, and approximately 3.18 inches in depth, it fits seamlessly into the Toyota T100's HVAC housing. The core is made from aluminum, a material known for its lightweight and corrosion-resistant properties, contributing to long-term durability.

Fittings include a female o-ring inlet with a No. 8 outside diameter and a male insert o-ring outlet with a No. 10 outside diameter, both equipped with green o-rings to ensure a tight, leak-free connection. These precise fittings help maintain system integrity and prevent refrigerant loss.

Common Applications and Issues Addressed

  • Restores proper cooling performance in Toyota T100 A/C systems
  • Replaces leaking or clogged evaporator cores
  • Eliminates unpleasant odors caused by mold or debris buildup
  • Resolves insufficient cabin cooling due to evaporator failure
  • Prevents refrigerant leaks that reduce system efficiency

Installation Notes and Tips

  • Ensure compatibility with Toyota T100 model year before installation
  • Inspect and replace O-rings to prevent leaks during reassembly
  • Handle the aluminum core carefully to avoid damage to fins
  • Flush the HVAC system to remove debris before installing the new evaporator core
  • Follow vehicle manufacturer’s service manual for proper installation procedures

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54788 to meet strict quality standards, using corrosion-resistant aluminum and precision fittings. The product includes green O-rings for secure sealing and is designed to match OEM specifications for the Toyota T100. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.

BrandFour Seasons
Part Number54788
PositionEvaporator Core
Core Depth Fraction3-3/16
Core Depth MM80.835
Core Height Fraction8-7/8
Core Height MM225.425
Core Width Fraction9-1/4
Core Width MM234.950
Depth3.183
Depth3.1875
DescriptionEvaporator Cores
Height8.875
Inlet Fitting Outside DiameterNo. 8
Inlet Fitting TypeFemale O-Ring
MaterialAluminum
O-Ring A Number/Desc[24608] / Green O-Ring
O-Ring B Number/Desc[24610] / Green O-Ring
Outlet Fitting Outside DiameterNo. 10
Outlet Fitting TypeMale Insert O-Ring
TypeSerpentine
Width9.250

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
1998ToyotaT100N/AEvaporator Core
1997ToyotaT100N/AEvaporator Core
1996ToyotaT100N/AEvaporator Core
1995ToyotaT100N/AEvaporator Core
1994ToyotaT100N/AEvaporator Core
1993ToyotaT100N/AEvaporator 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:

0149408610351210547881115478815629501598451919133223207624962927201632882253775107471153147600515478868147200197300457302217751078050578850104020885013401089032967A98225CWK775107ES18224EV3512ACT54788YE629

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