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Four Seasons 54781 A/C Evaporator Core
| Brand | Four Seasons 54781 |
|---|---|
| Core Depth Fraction | 3-1/2 |
| Core Depth MM | 88.900 |
| Core Height Fraction | 8-1/2 |
| Core Height MM | 215.900 |
| Core Width Fraction | 9-1/4 |
| Core Width MM | 234.950 |
| Depth | 3.1875 |
| Depth | 3.500 |
| Description | Evaporator Cores |
| Height | 8.500 |
| Height | 8.6875 |
| Inlet Fitting Outside Diameter | No. 8 |
| Inlet Fitting Type | Block Fitting |
| Material | Aluminum |
| O-Ring A Number/Desc | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24610] / Green O-Ring |
| Outlet Fitting Type | Block Fitting |
| Type | Serpentine |
| Width | 7.9375 |
| Width | 9.250 |
| Product line | Evaporator Core |
| Fits | Hyundai · 3 vehicles |
Aluminum construction. Lightweight material helps support efficient heat transfer.
Serpentine design. Promotes smooth refrigerant flow through the evaporator core.
Block fittings. Uses block-style inlet and outlet connections for a clean install.
Cross-references AP Exhaust 54781, ATP 103022 and Bosch 6731 for the same application. See all 30.
Four Seasons 54781 A/C Evaporator Core
The Four Seasons Evaporator Core 54781 is an aluminum serpentine A/C evaporator core built for HVAC service where precise fit and efficient refrigerant heat transfer matter. It is compatible with 1995-1997 Hyundai Accent applications and matches the block-fitting layout used in this vehicle platform.
Key Features
- Brand: Four Seasons Evaporator Core
- Part number: 54781
- Aluminum serpentine evaporator core construction
- Core width: 9-1/4 in. (234.950 mm)
- Core height: 8-1/2 in. (215.900 mm)
- Core depth: 3-1/2 in. (88.900 mm)
- Inlet fitting: No. 8 block fitting
- Outlet fitting: block fitting
- Includes Green O-Ring A [24608] and Green O-Ring B [24610]
Product Details
Four Seasons 54781 is an A/C evaporator core for HVAC systems that require a serpentine aluminum core with block-style refrigerant connections. The listed dimensions and fitting style help support accurate replacement in 1995-1997 Hyundai Accent models, and the part number 54781 is also useful when cross-checking service records or ordering by reference. This part cross-references UAC EV4302PFC for the same application.
Common Problems This Part Addresses
- Loss of cabin cooling performance from a restricted or leaking evaporator core
- Refrigerant odor or residue associated with evaporator leakage
- Uneven A/C output caused by internal corrosion or debris buildup
- HVAC system inefficiency from damaged block-fitting connections
- Service replacement needs on 1995-1997 Hyundai Accent A/C systems
Installation Notes
Verify core width, height, and depth against the original unit before installation. Confirm the inlet and outlet block fittings match the vehicle’s refrigerant line configuration, and replace the specified O-rings during service to help maintain a proper seal. After installation, evacuate and recharge the system according to factory HVAC procedures.
Quality Assurance
Four Seasons supplies HVAC replacement components with application-specific dimensions and fitting details to support accurate service work. The aluminum serpentine design and listed OE-style connection points make this evaporator core a direct-reference replacement for the specified Hyundai Accent fitment.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1997 | Hyundai | Accent | N/A | Evaporator Core |
| 1996 | Hyundai | Accent | N/A | Evaporator Core |
| 1995 | Hyundai | Accent | N/A | Evaporator Core |
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