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Four Seasons 54978 A/C Evaporator Core - Front
Overview of Four Seasons Evaporator Core 54978
The Four Seasons Evaporator Core 54978 is designed for reliable HVAC performance in select Honda and Isuzu vehicles. This A/C evaporator core is engineered to meet the specific cooling needs of the Honda Odyssey and Isuzu Oasis models, ensuring efficient air conditioning operation.
- Core dimensions: 10.0" width x 10.5" height x 3.5" depth
- Material: Durable aluminum construction
- Inlet and outlet fitting type: Block fitting for secure connections
- Core type: Plate & fin design for effective heat exchange
- Includes two green O-rings (part number 24610) for proper sealing
Four Seasons Evaporator Core Product Line Details
The Four Seasons Evaporator Core product line focuses on delivering precise fit and function for vehicle HVAC systems. This line features plate and fin core designs made from aluminum to provide efficient heat transfer and corrosion resistance. The 54978 part is part of this line, offering a direct replacement evaporator core that maintains factory specifications for the Honda Odyssey and Isuzu Oasis.
Product Specifications and Features
The evaporator core measures 10 inches in width, 10.5 inches in height, and 3.5 inches in depth (88.9 mm core depth). Both the inlet and outlet use block fittings, which facilitate secure and leak-free connections within the HVAC system. The plate and fin construction enhances cooling efficiency by maximizing surface area for heat exchange. The aluminum material ensures durability and resistance to corrosion over time. Included with the core are two green O-rings (part number 24610) to ensure a proper seal during installation.
Common Applications and Problem Resolution
- Restores proper air conditioning cooling in Honda Odyssey and Isuzu Oasis vehicles
- Replaces leaking or clogged evaporator cores causing reduced A/C performance
- Addresses issues with unpleasant odors or moisture buildup inside the HVAC system
- Solves problems related to inconsistent cabin temperature regulation
- Eliminates refrigerant leaks associated with damaged evaporator cores
Installation Notes and Tips
When installing the Four Seasons Evaporator Core 54978, ensure the HVAC system is fully evacuated and depressurized before removal of the old core. Use the included green O-rings (part number 24610) to maintain a proper seal and prevent refrigerant leaks. Verify that the block fittings are securely connected to avoid airflow or refrigerant issues. It is recommended to inspect the entire A/C system for contamination or damage during replacement to ensure optimal performance.
Quality Assurance and Warranty
Four Seasons manufactures the Evaporator Core 54978 to meet OEM standards for fit, form, and function. The aluminum construction and plate & fin design contribute to long-lasting durability and efficient operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 54978 |
| Position | Evaporator Core, Front |
| Core Depth Fraction | 3-1/2 |
| Core Depth MM | 88.900 |
| Core Height Fraction | 10-1/2 |
| Core Height MM | 266.700 |
| Core Width Fraction | 10 |
| Core Width MM | 254.000 |
| Depth | 3.500 |
| Description | Evaporator Cores |
| Height | 10.500 |
| Inlet Fitting Type | Block Fitting |
| Material | Aluminum |
| O-Ring A Number/Desc | [24610] / Green O-Ring |
| Outlet Fitting Type | Block Fitting |
| Type | Plate & Fin |
| Width | 10.000 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Isuzu | Oasis | Front | Evaporator Core |
| 1998 | Honda | Odyssey | Front | Evaporator Core |
| 1998 | Isuzu | Oasis | Front | Evaporator Core |
| 1997 | Honda | Odyssey | Front | Evaporator Core |
| 1997 | Isuzu | Oasis | Front | Evaporator Core |
| 1996 | Honda | Odyssey | Front | Evaporator Core |
| 1996 | Isuzu | Oasis | Front | Evaporator Core |
| 1995 | Honda | Odyssey | Front | Evaporator Core |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.