Four Seasons 54912 A/C Evaporator Core

Four Seasons 54912 Evaporator Core Overview

Four Seasons 54912 is an aluminum A/C evaporator core built in a plate-and-fin design for HVAC service on select Isuzu, Honda, and Acura vehicles. With a core width of 9-1/4 inches, core height of 8-3/4 inches, and core depth of 2-3/8 inches, it matches the dimensional requirements needed for proper air conditioning system repair.

This Four Seasons Evaporator Core line focuses on direct-fit replacement parts for vehicle-specific HVAC applications. Part number 54912 is used in select 1997-2004 Isuzu Trooper, Rodeo, Rodeo Sport, VehiCROSS, Amigo, and Axiom applications, plus 1999-2002 Honda Passport and 1999 Acura SLX coverage.

• Aluminum evaporator core construction
• Plate and fin design for HVAC service applications
• Core width: 9-1/4 in. (235.000 mm)
• Core height: 8-3/4 in. (222.250 mm)
• Core depth: 2-3/8 in. (60.325 mm)
• Inlet fitting: No. 8 female O-ring
• Outlet fitting: No. 10 male insert O-ring
• Includes OE-style green O-ring sealing points referenced as 24608 and 24681

As an A/C evaporator core, Four Seasons 54912 transfers heat from the cabin air stream so the air conditioning system can deliver cooled air through the HVAC case. It is a practical replacement for vehicles that need a new evaporator core due to refrigerant leakage, restricted airflow through the core, or reduced cooling performance. This part cross-references Spectra Premium 1010025 and UAC EV4798710PFC for the same application.

Vehicle Fitment

• Fits 2002-2004 Isuzu Axiom, N/A
• Fits 1999-2004 Isuzu Rodeo, N/A
• Fits 2001-2003 Isuzu Rodeo Sport, N/A
• Fits 1999-2002 Honda Passport, N/A
• Fits 1997-2002 Isuzu Trooper, N/A
• Fits 1999-2001 Isuzu VehiCROSS, N/A
• Fits 1999-2000 Isuzu Amigo, N/A
• Fits 1999 Acura SLX, N/A

Common Repair Symptoms

• Weak or inconsistent cabin cooling
• Refrigerant loss from evaporator leakage
• Reduced airflow through the HVAC system
• Interior A/C performance issues after system diagnosis
• Need for a direct replacement evaporator core during HVAC repair

Installation Notes

Verify core dimensions, inlet and outlet fitting types, and O-ring sealing points before installation. Because evaporator replacement typically requires access to the HVAC case, confirm system evacuation and recharge procedures are completed according to service specifications. For fitment-based searches, this part is commonly selected for 1999-2004 Isuzu Rodeo, 1997-2002 Isuzu Trooper, and 1999-2002 Honda Passport evaporator core replacement.

Quality Assurance

Four Seasons supplies HVAC replacement components with application-specific fitment data and dimensional specifications to support accurate part selection. Part number 54912 is cataloged as a direct replacement evaporator core for the listed vehicle applications.