Four Seasons 54682 A/C Evaporator Core
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Four Seasons
 Evaporator Core

Four Seasons 54682 A/C Evaporator Core

Brand Four Seasons 54682
Core Depth Fraction 4
Core Depth MM 101.600
Core Height Fraction 8-3/4
Core Height MM 222.250
Core Width Fraction 9-7/8
Core Width MM 250.825
Depth 4.000
Depth 4.250
Description Evaporator Cores
Height 8.750
Height 9.500
Inlet Fitting Outside Diameter No. 8
Inlet Fitting Type Female O-Ring
Material Aluminum
O-Ring A Number/Desc [24608] / Green O-Ring
O-Ring B Number/Desc [24610] / Green O-Ring
Outlet Fitting Outside Diameter No. 10
Outlet Fitting Type Male Insert O-Ring
Type Serpentine
Width 9.875
Width 10.000
Product line Evaporator Core
Fits Toyota · 9 vehicles

Aluminum construction. Helps resist corrosion while keeping weight down.

Serpentine design. Promotes efficient refrigerant flow through the core.

Female O-ring inlet. Provides a secure, leak-resistant connection.

Cross-references ATP 103405, Four Seasons 54682 and Marmon Ride Control A5700 for the same application. See all 35.

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Four Seasons 54682 Evaporator Core

The Four Seasons 54682 evaporator core is an aluminum A/C evaporator core built for select Toyota HVAC systems. It uses a serpentine design with OE-style O-ring connections to support proper refrigerant flow and cabin cooling performance.

Key Features

  • Brand: Four Seasons Evaporator Core line
  • Part number: 54682
  • Aluminum construction for HVAC service applications
  • Serpentine core design
  • Core width: 9-7/8 in. (250.825 mm)
  • Core height: 8-3/4 in. (222.250 mm)
  • Core depth: 4 in. (101.600 mm)
  • Inlet fitting: No. 8 female O-ring
  • Outlet fitting: No. 10 male insert O-ring
  • Includes green O-ring service references for the inlet and outlet connections

Product Details

Four Seasons 54682 is an A/C evaporator core for HVAC repair on 1984-1988 Toyota Cressida, 1987-1988 Toyota Supra, and 1986 Toyota Celica and Supra from 1/86. The evaporator core line focuses on direct-fit replacement components for climate control service, and this unit follows the listed dimensions and fitting styles for the specified Toyota applications. If you are replacing a leaking or restricted Toyota Cressida evaporator core or servicing a 1987-1988 Toyota Supra A/C evaporator core, this part number 54682 provides the specified aluminum serpentine core configuration.

This part cross-references ATP 103405 and Marmon Ride Control A5700 for the same application.

Common Repair Uses

  • Cabin air that is not cooling properly
  • Refrigerant leakage at the evaporator core
  • Restricted airflow through the HVAC case
  • Corrosion or damage to the original aluminum core
  • Service replacement for aging Toyota A/C components

Installation Notes and Tips

Verify core width, height, and depth against the original unit before installation. Confirm the inlet and outlet fitting types and O-ring sizes match the vehicle’s HVAC connections. Clean the evaporator housing and inspect related seals, expansion valve components, and refrigerant lines during service to help prevent repeat leaks.

Quality Assurance

Four Seasons supplies HVAC replacement parts with application-specific dimensions and fitting details for accurate service selection. Part number 54682 is listed with OE-style connection types and vehicle-specific fitment for the Toyota applications shown above.

Related reading

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
1988ToyotaCressida—N/AEvaporator Core
1988ToyotaSupra—N/AEvaporator Core
1987ToyotaCressida—N/AEvaporator Core
1987ToyotaSupra—N/AEvaporator Core
1986ToyotaCelicaSupraN/AFrom 1/86; Evaporator Core
1986ToyotaCressida—N/AEvaporator Core
1986ToyotaSupra—N/AFrom 1/86; Evaporator Core
1985ToyotaCressida—N/AEvaporator Core
1984ToyotaCressida—N/AEvaporator Core
Directly replaces or cross-references 35 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ATP — 103405Four Seasons — 54682Marmon Ride Control — A5700677853405103405D103405S1498201598202320842494212881767751378059870148449415622222723405377513747114774760076476008211154682191912640021922001889196738850114222885012216088501221618850122162CWK775137EV3405EV3405AEV3405ACT54682YE421