Four Seasons 54870 A/C Evaporator Core

Four Seasons 54870 Evaporator Core for Honda Civic

Four Seasons 54870 is an aluminum A/C evaporator core built in a plate-and-fin design for HVAC service on select Honda Civic models. It is sized to match the listed core dimensions and uses block fittings with No. 6 inlet fitting outside diameter for a direct replacement approach in the air conditioning system.

Key Features

• Four Seasons Evaporator Core line
• Part number 54870
• Aluminum construction
• Plate & fin design
• Core width: 8-1/2 in. (215.900 mm)
• Core height: 10-1/4 in. (260.350 mm)
• Core depth: 3 in. (76.200 mm)
• Block fitting inlet and outlet connections
• Includes green O-ring sealing references for the listed fittings

Product Details

The Four Seasons Evaporator Core product line focuses on replacement HVAC components for air conditioning repair. This evaporator core is specified for 2002-2005 Honda Civic applications and is built to match the listed dimensions and connection style for service work on the vehicle’s A/C system. This part cross-references Spectra Premium 1054870 for the same application.

Use Four Seasons 54870 when replacing a leaking, restricted, or damaged evaporator core in a Honda Civic. The aluminum plate-and-fin construction supports efficient heat transfer within the HVAC case, while the block fitting layout helps match the original connection style used in the vehicle.

What This Part Helps Address

• Refrigerant loss from a leaking evaporator core
• Weak cabin cooling caused by internal restriction
• Moisture-related corrosion inside the HVAC core
• Uneven A/C performance from a damaged heat exchanger
• Service replacement for a failed Honda Civic evaporator core

Installation Notes and Tips

Fits 2002-2005 Honda Civic, N/A. Verify the core dimensions, block fitting style, and No. 6 inlet fitting outside diameter before installation. Replace the sealing O-rings at the connections during service and confirm the HVAC case and refrigerant lines are clean before reassembly. This part number 54870 should be matched to the vehicle’s original evaporator core configuration before final installation.

Quality Assurance

Four Seasons supplies HVAC replacement parts with application-specific sizing and material specifications for repair use. Part number 54870 is listed with defined dimensions, aluminum construction, and direct interchange references to support accurate selection for the stated Honda Civic fitment.