Four Seasons 54800 A/C Evaporator Core

Four Seasons 54800 Evaporator Core

The Four Seasons Evaporator Core 54800 is an aluminum serpentine A/C evaporator core built to match the listed Mazda applications. With a 9.250-inch width, 8.750-inch height, and 3.500-inch depth, it is sized for direct replacement service in the HVAC system.

Use this evaporator core when servicing the air conditioning system on select Mazda B2200, B2600, B2000, and 626 models. The Four Seasons evaporator core line focuses on replacement components for vehicle HVAC repairs, and part number 54800 is listed with OE-style fitting configurations for the specified applications.

Key Features

• Aluminum serpentine evaporator core construction
• Core width: 9-1/4 in. (234.950 mm)
• Core height: 8-3/4 in. (222.250 mm)
• Core depth: 3-1/2 in. (88.900 mm)
• Inlet fitting: No. 8 female O-ring
• Outlet fitting: No. 10 male insert O-ring
• Four Seasons part number 54800

Detailed Description

Four Seasons 54800 is an A/C evaporator core for HVAC repair on select Mazda vehicles. The aluminum serpentine design supports refrigerant heat exchange inside the dash HVAC case, while the listed inlet and outlet fitting styles help match the original system connection points. This part is listed for 1983-1987 Mazda 626, 1986 Mazda B2000, 1987-1990 Mazda B2200, 1987-1990 Mazda B2600, 1991-1993 Mazda B2200, and 1991-1993 Mazda B2600. This part cross-references Gates 6828 for the same application.

What It Helps Address

• Weak or uneven cabin cooling
• Refrigerant leakage at the evaporator core
• Restricted airflow through a damaged core
• HVAC performance loss from corrosion or internal wear
• Service replacement for a failed Mazda A/C evaporator core

Installation Notes and Tips

Verify the inlet and outlet fitting sizes before installation: No. 8 female O-ring inlet and No. 10 male insert O-ring outlet. Confirm the core dimensions against the original unit and inspect the HVAC case, seals, and refrigerant lines during service. Proper evacuation, leak checking, and recharge procedures should be followed after installation.

Quality Assurance

Four Seasons supplies HVAC replacement components for automotive air conditioning service. Part number 54800 is cataloged with detailed dimensional and fitting data to support accurate replacement selection for the listed Mazda B2200, B2600, B2000, and 626 applications.

Compatible Vehicles

• Fits 1991-1993 Mazda B2200, N/A, Serpentine Belt; Evaporator Core
• Fits 1991-1993 Mazda B2600, N/A, Serpentine Belt; Evaporator Core
• Fits 1987-1990 Mazda B2200, N/A, Evaporator Core
• Fits 1987-1990 Mazda B2600, N/A, Evaporator Core
• Fits 1983-1987 Mazda 626, N/A, Evaporator Core
• Fits 1986 Mazda B2000, N/A, Evaporator Core