Four Seasons 54643 A/C Evaporator Core

Four Seasons 54643 Evaporator Core Overview

Four Seasons 54643 is an aluminum A/C evaporator core for the Four Seasons Evaporator Core line. It is built as a plate-and-fin evaporator core with a core width of 9-1/8 in., core height of 9-3/8 in., and core depth of 3-3/8 in. This evaporator core is listed for 1994-1998 Mitsubishi Galant evaporator core applications.

For buyers searching for a Mitsubishi Galant A/C evaporator core, Four Seasons 54643 provides the dimensional and fitting details needed to match the HVAC system correctly. The inlet uses a No. 8 female O-ring fitting, and the outlet uses a block fitting.

Key Features

• Four Seasons part number 54643
• Evaporator Core product line
• Aluminum construction
• Plate & fin design
• Core width: 9-1/8 in. (231.775 mm)
• Core height: 9-3/8 in. (238.125 mm)
• Core depth: 3-3/8 in. (85.725 mm)
• Inlet fitting: No. 8 female O-ring
• Outlet fitting: block fitting
• Fits 1994-1998 Mitsubishi Galant, evaporator core position

Detailed Description

Four Seasons 54643 is an HVAC evaporator core built for vehicles that require a compact aluminum plate-and-fin core with specific inlet and outlet connections. The listed dimensions and fitting styles help match the original A/C evaporator layout in 1994-1998 Mitsubishi Galant models. This part number is also referenced in the aftermarket under 59512 and cross-references TYC 97173 for the same application.

The Four Seasons Evaporator Core line focuses on replacement evaporator cores for automotive air conditioning systems. For Mitsubishi Galant owners searching by part number or by vehicle fitment, Four Seasons 54643 is a direct reference point for the correct evaporator core configuration.

Common Problems This Part Can Address

• Loss of cabin cooling from a leaking evaporator core
• Restricted A/C performance caused by internal corrosion or blockage
• Improper refrigerant flow through a damaged core
• HVAC system odor or moisture issues linked to evaporator failure
• Fitment problems when replacing a core with the wrong dimensions or fittings

Installation Notes and Tips

Verify the core width, height, depth, inlet fitting type, and outlet fitting style before installation. Confirm the vehicle is a 1994-1998 Mitsubishi Galant and compare the existing evaporator core connections to the No. 8 female O-ring inlet and block-fitting outlet listed for Four Seasons 54643. Proper evacuation, leak checking, and refrigerant recharge procedures should be followed after HVAC service.

Quality Assurance

Four Seasons is a recognized aftermarket brand for HVAC replacement components, and this evaporator core is cataloged with detailed dimensional and connection data to support accurate part matching. Four Seasons 54643 is identified for 1994-1998 Mitsubishi Galant evaporator core applications.