Four Seasons 54704 A/C Evaporator Core

Four Seasons 54704 Evaporator Core

The Four Seasons 54704 evaporator core is an aluminum A/C evaporator core built for select Mazda compact cars. It is a serpentine-style core with a 9.250-inch width, 9.000-inch height, and 3.500-inch depth for applications that require this specific case and fitting layout.

Compatible With 1990-1995 Mazda 323, 1992-1995 Mazda MX-3, and 1990-1994 Mazda Protege, this Four Seasons evaporator core is a direct-fit HVAC service part for restoring cabin cooling performance. The 54704 part number is also referenced across multiple aftermarket catalogs for the same application.

Key Features

• Four Seasons Evaporator Core line, part number 54704
• Aluminum construction for HVAC service applications
• Serpentine core design
• Core dimensions: 9-1/4 in. width, 9 in. height, 3-1/2 in. depth
• Inlet fitting: No. 8 female O-ring
• Outlet fitting: No. 10 male insert O-ring
• Includes O-ring references for common service sealing points

Detailed Description

The Four Seasons 54704 evaporator core is specified for Mazda 323, Mazda MX-3, and Mazda Protege HVAC systems that use this core size and fitting arrangement. Its aluminum serpentine construction supports efficient refrigerant heat exchange inside the air conditioning system, while the listed inlet and outlet fitting types help match the original evaporator connection style. For shoppers searching for a Mazda 323 evaporator core, Mazda MX-3 A/C evaporator core, or Mazda Protege evaporator core, this part number provides a focused replacement option.

This part cross-references Gates 6886 for the same application.

What It Can Address

• Loss of cold air from a leaking or restricted evaporator core
• Cabin A/C performance issues caused by internal corrosion or blockage
• Refrigerant odor or residue traced to evaporator failure
• HVAC service needs on aging Mazda 323, MX-3, or Protege systems
• Fitment replacement when the original core uses the same dimensions and fittings

Installation Notes and Tips

Verify the core width, height, depth, and fitting orientation before installation. Confirm the inlet and outlet fitting sizes match the vehicle’s HVAC connections, and replace sealing components as required during A/C service. Proper evacuation, leak checking, and system recharge are required after evaporator replacement.

Quality Assurance

Four Seasons supplies HVAC service parts for automotive air conditioning repair, and this evaporator core is built to the listed dimensions and fitting specifications for the confirmed Mazda applications.