OE Quality
60-Day Returns

Four Seasons 54759 A/C Evaporator Core
Overview of Four Seasons Evaporator Core 54759
The Four Seasons Evaporator Core 54759 is designed specifically for the Lexus LS400, providing reliable air conditioning performance. This A/C evaporator core is engineered to meet the exact specifications required for efficient cooling and durability.
- Compatible with Lexus LS400 models
- Part number 54759 for precise identification
- Constructed from durable aluminum material
- Features serpentine core design for optimal airflow
- Includes green O-rings (part number 24610) for secure sealing
- Block fitting inlet and outlet with No. 10 outside diameter
- Core dimensions: approximately 10.8125" to 11.062" width, 10.375" to 10.9375" height, and 3.5" to 4.0" depth
Detailed Product Description and Specifications
The Four Seasons Evaporator Core 54759 is part of the Evaporator Core brand line, which focuses on delivering precise HVAC components for vehicle air conditioning systems. This evaporator core features a serpentine design that enhances heat exchange efficiency within the Lexus LS400's A/C system. Manufactured from aluminum, it offers corrosion resistance and long-lasting performance. The core measures approximately 10-3/16 inches in width (274.6 mm), 10-15/16 inches in height (277.8 mm), and 3-1/2 inches in depth (88.9 mm), ensuring a proper fit and optimal airflow. Both the inlet and outlet fittings are block type with a No. 10 outside diameter, facilitating straightforward installation and secure connections. The included green O-rings (part number 24610) provide a reliable seal to prevent refrigerant leaks.
Common Applications and Issues Addressed
- Restores proper cooling performance in Lexus LS400 A/C systems
- Replaces leaking or clogged evaporator cores
- Eliminates reduced airflow or inconsistent cabin temperature
- Solves refrigerant leaks caused by damaged evaporator cores
- Addresses corrosion or physical damage to the original evaporator core
Installation Notes and Tips
- Ensure compatibility with Lexus LS400 before installation
- Inspect and replace O-rings to maintain a proper refrigerant seal
- Handle the aluminum core carefully to avoid damage during installation
- Follow vehicle manufacturer guidelines for A/C system evacuation and recharge
- Verify all connections are secure to prevent leaks
Quality Assurance and Warranty Information
Four Seasons provides this evaporator core with a focus on quality and durability, using corrosion-resistant aluminum and precise manufacturing standards. The part number 54759 is backed by Four Seasons' quality control processes to ensure fit and function. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.
| Brand | Four Seasons |
|---|---|
| Part Number | 54759 |
| Position | Evaporator Core |
| 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 |
This part fits 3 vehicles. Search below:
| 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 |
* 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.