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Four Seasons 54759 A/C Evaporator Core
| Brand | Four Seasons 54759 |
|---|---|
| Core Depth Fraction | 3-1/2 |
| Core Depth MM | 88.900 |
| Core Height Fraction | 10-15/16 |
| Core Height MM | 277.8125 |
| Core Width Fraction | 10-3/16 |
| Core Width MM | 274.637 |
| Depth | 3.500 |
| Depth | 4.000 |
| Description | Evaporator Cores |
| Height | 10.375 |
| Height | 10.9375 |
| Inlet Fitting Outside Diameter | No. 10 |
| Inlet Fitting Type | Block Fitting |
| Material | Aluminum |
| O-Ring A Number/Desc | [24610] / Green O-Ring |
| Outlet Fitting Outside Diameter | No. 10 |
| Outlet Fitting Type | Block Fitting |
| Type | Serpentine |
| Width | 10.8125 |
| Width | 11.062 |
| Product line | Evaporator Core |
| Fits | Lexus · 3 vehicles |
Aluminum construction. Lightweight core with efficient heat transfer.
Serpentine design. Promotes even refrigerant flow through the core.
Block fittings. Uses No. 10 inlet and outlet connections.
Cross-references Four Seasons 54759, Gates 6885 and Global Parts Distributors LLC 4711517 for the same application. See all 36.
Four Seasons 54759 Evaporator Core for Lexus LS400
Restore cabin cooling performance with the Four Seasons 54759 A/C evaporator core. This aluminum serpentine evaporator core is built to match the listed dimensions and block-fitting layout for direct replacement service on select Lexus LS400 applications.
Key Features
- Four Seasons Evaporator Core line
- Part number 54759
- Aluminum construction for HVAC service applications
- Serpentine core design
- Block fitting inlet and outlet configuration
- Core dimensions: 10-3/16 in. width, 10-15/16 in. height, 3-1/2 in. depth
- Uses No. 10 inlet and outlet fitting outside diameters
- Designed for 1990-1992 Lexus LS400 evaporator core replacement
Product Details
The Four Seasons 54759 evaporator core is part of the Four Seasons Evaporator Core product line, built for HVAC repair work where the evaporator assembly must match the vehicle’s original fitment and connection style. Its aluminum serpentine construction and block-fitting design support accurate replacement in the air conditioning system. This part number 54759 is listed for 1990-1992 Lexus LS400 models and is a direct-reference option for evaporator core service on those vehicles.
Cross-reference part numbers for the same application include Gates 6885 and Global Parts Distributors LLC 4711517.
Common Repair Uses
- Loss of cold air from the dash vents
- Refrigerant leakage at the evaporator core
- Restricted airflow through the HVAC case
- Uneven or weak cabin cooling in Lexus LS400 models
- Corrosion or internal damage in the A/C evaporator assembly
Installation Notes
Verify the core width, height, and depth against the removed unit before installation. Confirm block-fitting alignment, No. 10 inlet and outlet connections, and O-ring sealing surfaces during HVAC service. Proper evacuation, leak checking, and recharge procedures are required after evaporator replacement. Fits 1990-1992 Lexus LS400, N/A.
Quality Assurance
Four Seasons supplies HVAC replacement components with application-specific fitment data and dimensional specifications to support accurate parts selection for A/C repair.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1992 | Lexus | LS400 | N/A | Evaporator Core |
| 1991 | Lexus | LS400 | N/A | Evaporator Core |
| 1990 | Lexus | LS400 | N/A | Evaporator Core |
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