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Four Seasons 54666 A/C Evaporator Core
Overview of Four Seasons Evaporator Core 54666
The Four Seasons Evaporator Core 54666 is designed specifically for Nissan 720 models, providing reliable HVAC performance. This A/C evaporator core is engineered to meet precise fitment requirements and restore efficient cooling in your vehicle's air conditioning system.
- Compatible with Nissan 720 models
- Core dimensions: 8.0" width x 8.5" height x 4.0" depth
- Constructed from durable aluminum material
- Inlet fitting: Female o-ring, No. 8 outside diameter
- Outlet fitting: Male insert o-ring, No. 10 outside diameter
- Includes green o-rings [24608] and [24610]
- Serpentine type core design for efficient airflow
Detailed Product Description
The Four Seasons Evaporator Core 54666 belongs to the Evaporator Core product line, which focuses on delivering precise replacement parts for vehicle HVAC systems. This core features a serpentine design that optimizes refrigerant flow and heat exchange. Measuring 8 inches in width, 8.5 inches in height, and 4 inches in depth, it fits the Nissan 720's HVAC housing accurately. The aluminum construction ensures corrosion resistance and durability under typical operating conditions. The inlet and outlet fittings use female and male o-ring types respectively, with outside diameters of No. 8 and No. 10, ensuring a secure and leak-free connection. Included green o-rings [24608] and [24610] provide proper sealing during installation.
Common Applications and Issues Resolved
- Restores cooling efficiency in Nissan 720 A/C systems
- Replaces leaking or clogged evaporator cores
- Eliminates musty odors caused by evaporator core contamination
- Resolves insufficient cabin cooling due to evaporator failure
- Prevents refrigerant leaks from damaged core fittings
Installation Notes and Tips
- Ensure compatibility with Nissan 720 HVAC system before installation
- Replace both inlet and outlet o-rings to prevent leaks
- Handle the aluminum core carefully to avoid damage to fins
- Flush the HVAC system to remove debris before installing new core
- Follow vehicle manufacturer torque specifications for fittings
Quality Assurance and Warranty
Four Seasons manufactures the Evaporator Core 54666 to meet OEM standards for fit, form, and function. The aluminum construction and included sealing o-rings contribute to long-lasting performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.
| Brand | Four Seasons |
| Part Number | 54666 |
| Position | Evaporator Core |
| Core Depth Fraction | 4 |
| Core Depth MM | 101.600 |
| Core Height Fraction | 8-1/2 |
| Core Height MM | 215.900 |
| Core Width Fraction | 8 |
| Core Width MM | 203.200 |
| Depth | 4.000 |
| Description | Evaporator Cores |
| Height | 8.500 |
| Inlet Fitting Outside Diameter | No. 8 |
| Inlet Fitting Type | Female O-Ring |
| 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 | Serpentine |
| Width | 8.000 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1985 | Nissan | 720 | N/A | Evaporator Core |
| 1984 | Nissan | 720 | N/A | Evaporator Core |
| 1983 | Nissan | 720 | 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.