Four Seasons 54697 A/C Evaporator Core

Four Seasons 54697 Evaporator Core Overview

The Four Seasons 54697 evaporator core is an aluminum tube-and-fin HVAC component built for direct replacement in select Dodge and Mitsubishi applications. It is sized at 13-5/8 in. wide, 6-1/4 in. high, and 3 in. deep, with No. 8 female O-ring inlet and No. 10 male insert O-ring outlet fittings for proper A/C line connection.

As part of the Four Seasons Evaporator Core line, this unit is focused on restoring refrigerant heat exchange inside the vehicle HVAC system. The Four Seasons 54697 is a practical choice for owners searching for an A/C evaporator core for 1985-1986 Dodge Ram 50, 1985-1986 Dodge Power Ram 50, or 1983-1986 Mitsubishi Mighty Max.

Key Features

• Aluminum tube-and-fin evaporator core construction
• Core dimensions: 13-5/8 in. width, 6-1/4 in. height, 3 in. depth
• No. 8 female O-ring inlet fitting
• No. 10 male insert O-ring outlet fitting
• Includes green O-ring service references for the listed fittings
• Direct-fit HVAC replacement for select Dodge and Mitsubishi trucks

Detailed Description

Four Seasons 54697 is an A/C evaporator core engineered for vehicles that use a tube-and-fin aluminum core with O-ring style refrigerant connections. It measures 346.075 mm wide, 158.750 mm high, and 76.200 mm deep, giving technicians the dimensional reference needed when matching the evaporator to the original HVAC case and line layout. This part cross-references Intermotor 55504 for the same application.

Compatible With 1985-1986 Dodge Ram 50, N/A; 1985-1986 Dodge Power Ram 50, N/A; and 1983-1986 Mitsubishi Mighty Max, N/A. If you are replacing a leaking or restricted evaporator core in a Dodge Ram 50, Dodge Power Ram 50, or Mitsubishi Mighty Max, part number 54697 provides the fitment and connection style needed for the listed applications.

Common Problems This Part Can Address

• Refrigerant leakage from a corroded or damaged evaporator core
• Reduced cabin cooling performance from internal blockage
• Uneven A/C output caused by restricted airflow through the core
• HVAC odor issues related to moisture retention and contamination
• Service replacement after failure of the original evaporator assembly

Installation Notes and Tips

Verify the inlet and outlet fitting types before installation: No. 8 female O-ring inlet and No. 10 male insert O-ring outlet. Confirm the evaporator case dimensions and line routing against the original unit before reassembly. Replace sealing O-rings during service and evacuate and recharge the system according to the vehicle manufacturer procedure after installation of part number 54697.

Quality Assurance

Four Seasons supplies HVAC replacement components across a broad range of automotive applications, and this evaporator core is built with aluminum construction and application-specific fittings for the listed vehicles. Use the fitment data to confirm the correct application for 1985-1986 Dodge Ram 50, 1985-1986 Dodge Power Ram 50, and 1983-1986 Mitsubishi Mighty Max before ordering.