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Four Seasons 54805 A/C Evaporator Core - Rear
Overview of Four Seasons Evaporator Core 54805
The Four Seasons Evaporator Core 54805 is designed specifically for Ford Expedition and Lincoln Navigator models. This A/C evaporator core ensures efficient cooling performance by effectively absorbing heat from the vehicle's cabin air.
- Compatible with Ford Expedition and Lincoln Navigator
- Part Number: 54805
- Constructed from durable aluminum material
- Plate & fin core type for optimal heat exchange
- Dimensions: Width 10.5625 inches, Height 7.125 inches, Depth 3.5 inches
- Inlet fitting outside diameter: No. 8
- Outlet fitting type: Male insert o-ring with No. 10 outside diameter
- Includes green o-rings [24608] and [24610], one each
Four Seasons Evaporator Core Product Line Details
The Evaporator Core line by Four Seasons focuses on delivering reliable HVAC components that meet OEM specifications. This product line features plate and fin evaporator cores made from aluminum, designed to provide consistent cooling performance and durability. The 54805 evaporator core is part of this line, engineered to fit select Ford and Lincoln vehicles with precise dimensions and fitting types to ensure proper installation and function.
Product Specifications and Features
The Four Seasons 54805 evaporator core measures 10.5625 inches in width, 7.125 inches in height, and 3.5 inches in depth, providing a compact yet efficient design. Its plate and fin construction enhances heat transfer, improving the air conditioning system's ability to cool the cabin air. The aluminum material offers corrosion resistance and longevity. The inlet fitting has an outside diameter of No. 8, while the outlet fitting is a male insert o-ring type with a No. 10 outside diameter, ensuring secure connections within the HVAC system. Included green o-rings [24608] and [24610] provide proper sealing to prevent leaks.
Common Applications and Issues Addressed
- Restores proper cooling in Ford Expedition and Lincoln Navigator A/C systems
- Replaces leaking or clogged evaporator cores
- Eliminates musty odors caused by evaporator core contamination
- Resolves insufficient cabin cooling due to evaporator core failure
- Prevents refrigerant leaks and maintains system pressure
Installation Notes and Tips
Installation of the Four Seasons Evaporator Core 54805 requires removal of the vehicle’s HVAC housing. Ensure all refrigerant is properly evacuated before beginning work. Verify the inlet and outlet fitting sizes match the vehicle’s system to avoid leaks. Replace the included green o-rings during installation to maintain a secure seal. It is recommended to inspect the entire A/C system for additional wear or damage while replacing the evaporator core.
Quality Assurance and Warranty
Four Seasons manufactures the 54805 evaporator core to meet or exceed OEM standards for fit, form, and function. The aluminum construction and plate & fin design contribute to long-lasting performance. This part is backed by Four Seasons’ quality assurance processes. Please refer to Four Seasons’ official warranty documentation for specific coverage details.
| Brand | Four Seasons |
| Part Number | 54805 |
| Position | Evaporator Core, Rear |
| Core Depth Fraction | 3-1/2 |
| Core Depth MM | 88.900 |
| Core Height Fraction | 7-1/8 |
| Core Height MM | 180.975 |
| Core Width Fraction | 10-9/16 |
| Core Width MM | 268.288 |
| Depth | 3.500 |
| Description | Evaporator Cores |
| Height | 7.125 |
| Height | 7.13 |
| Inlet Fitting Outside Diameter | No. 8 |
| Material | Aluminum |
| O-Ring A Number/Desc | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24610] / Green O-Ring |
| Outlet Fitting Outside Diameter | No. 10 |
| Outlet Fitting Type | Male Insert O-Ring |
| Type | Plate & Fin |
| Width | 10.5625 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Ford | Expedition | Rear | Evaporator Core |
| 2004 | Lincoln | Navigator | Rear | Evaporator Core |
| 2003 | Ford | Expedition | Rear | Evaporator Core |
| 2003 | Lincoln | Navigator | Rear | 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.