Four Seasons 54669 A/C Evaporator Core

Four Seasons 54669 Evaporator Core

Four Seasons 54669 is an aluminum A/C evaporator core built for HVAC service on select Mitsubishi Montero and Dodge Raider applications. It uses a serpentine core design with OE-style fitting locations and dimensions for a direct replacement approach in the air conditioning system.

The Four Seasons Evaporator Core line focuses on replacement components for vehicle climate control systems, and this part follows that approach with application-specific sizing and O-ring fitting details for service work on the Montero and Raider platform.

Key Features

• Part number: 54669
• Brand line: Four Seasons Evaporator Core
• Aluminum construction
• Serpentine core design
• Core width: 7-1/2 in. (190.500 mm)
• Core height: 9 in. (228.600 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 A and Green O-Ring B sealing points

Detailed Description

Four Seasons 54669 is an A/C evaporator core for HVAC systems that require a serpentine aluminum core with No. 8 inlet and No. 10 outlet fitting sizes. The compact 7-1/2 inch by 9 inch core dimensions and 4 inch depth support fitment in the factory evaporator housing used on 1983-1991 Mitsubishi Montero and 1987-1989 Dodge Raider models. This part cross-references Gates 6850 for the same application.

Compatible With 1983-1991 Mitsubishi Montero, evaporator core service, and compatible With 1987-1989 Dodge Raider, evaporator core service. Use Four Seasons 54669 when replacing a worn or leaking evaporator core in these HVAC systems, including service on Mitsubishi Montero and Dodge Raider vehicles that match the listed fitment.

Common Issues This Part May Address

• Loss of cabin cooling performance from a leaking evaporator core
• Refrigerant odor or residue from evaporator housing leakage
• Restricted A/C airflow caused by internal evaporator damage or contamination
• Corrosion-related failure in an aging aluminum evaporator core
• HVAC service needs on Mitsubishi Montero and Dodge Raider A/C systems

Installation Notes and Tips

Verify the inlet and outlet fitting types, core dimensions, and vehicle fitment before installation. Match the evaporator core to the existing HVAC case and refrigerant line connections on the vehicle. Proper evacuation, leak checking, and system recharge procedures should be followed after replacement to restore A/C operation.

Quality Assurance

Four Seasons supplies replacement HVAC components for automotive air conditioning service, and this evaporator core is built with aluminum construction and OE-style fitting specifications for the listed applications.