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Four Seasons 54840 A/C Evaporator Core
Overview of Four Seasons Evaporator Core 54840
The Four Seasons Evaporator Core 54840 is designed to restore efficient cooling performance in your vehicle's HVAC system. Engineered for select INFINITI and Nissan models, this aluminum evaporator core ensures reliable operation and precise fitment.
- Compatible with INFINITI FX35, FX45, G35, and Nissan 350Z, 370Z, Altima, Maxima, Murano, and Z models
- Part number 54840 for accurate identification and replacement
- Constructed from durable aluminum with plate & fin design for effective heat exchange
- Dimensions: 10.8125" width, 10.000" height, and 2.250" depth
- Features block inlet and outlet fittings for secure HVAC system connections
- Includes one black o-ring (24150) and one green o-ring (24661) for proper sealing
Four Seasons Evaporator Core Product Line Details
The Evaporator Core line by Four Seasons focuses on delivering precise HVAC components that meet OEM specifications. This product line emphasizes quality materials such as aluminum and incorporates plate & fin technology to optimize heat transfer. The 54840 evaporator core is part of this line, providing a direct replacement solution for specific INFINITI and Nissan vehicles to maintain factory cooling performance.
Detailed Product Description and Specifications
The Four Seasons Evaporator Core 54840 measures 10.8125 inches in width, 10 inches in height, and 2.25 inches in depth, with core dimensions closely matching these measurements (core width 10-3/16", core height 10", core depth 2-1/4"). Its aluminum construction offers corrosion resistance and durability, while the plate & fin design enhances heat exchange efficiency. The evaporator core includes block fitting inlet and outlet types, ensuring compatibility with the vehicle's HVAC system plumbing. The included black and green o-rings provide necessary sealing to prevent refrigerant leaks during installation.
Common Applications and Issues Addressed
- Restores proper air conditioning cooling in INFINITI FX35, FX45, G35, and Nissan 350Z, 370Z, Altima, Maxima, Murano, and Z models
- Replaces leaking or clogged evaporator cores causing reduced cooling performance
- Solves issues related to refrigerant leaks due to worn or damaged evaporator seals
- Addresses HVAC system odors caused by mold or debris buildup in the evaporator core
- Improves overall HVAC efficiency and cabin comfort
Installation Notes and Tips
- Ensure compatibility by verifying vehicle make, model, and year before installation
- Handle the aluminum core carefully to avoid damage to fins and fittings
- Replace o-rings with the included black (24150) and green (24661) seals to maintain refrigerant integrity
- Flush the HVAC system to remove debris before installing the new evaporator core
- Follow manufacturer torque specifications for inlet and outlet fittings
Quality Assurance and Warranty
Four Seasons manufactures the Evaporator Core 54840 to meet or exceed OEM standards, using corrosion-resistant aluminum and proven plate & fin technology. The product includes necessary sealing components to ensure leak-free operation. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.
| Brand | Four Seasons |
|---|---|
| Part Number | 54840 |
| Position | Evaporator Core |
| Core Depth Fraction | 2-1/4 |
| Core Depth MM | 57.150 |
| Core Height Fraction | 10 |
| Core Height MM | 254.000 |
| Core Width Fraction | 10-3/16 |
| Core Width MM | 274.637 |
| Depth | 2.250 |
| Description | Evaporator Cores |
| Height | 10.000 |
| Inlet Fitting Type | Block Fitting |
| Material | Aluminum |
| O-Ring A Number/Desc | [24150] / Black O-Ring |
| O-Ring B Number/Desc | [24661] / Green O-Ring |
| Outlet Fitting Type | Block Fitting |
| Type | Plate & Fin |
| Width | 10.8125 |
This part fits 63 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2025 | Nissan | Z | N/A | Evaporator Core | ||||
| 2024 | Nissan | Z | N/A | Evaporator Core | ||||
| 2023 | Nissan | Z | N/A | Evaporator Core | ||||
| 2020 | Nissan | 370Z | N/A | Evaporator Core | ||||
| 2019 | Nissan | 370Z | N/A | Evaporator Core | ||||
| 2018 | Nissan | 370Z | N/A | Evaporator Core | ||||
| 2017 | Nissan | 370Z | N/A | Evaporator Core | ||||
| 2016 | Nissan | 370Z | N/A | Evaporator Core | ||||
| 2015 | Nissan | 370Z | N/A | Evaporator Core | ||||
| 2014 | Nissan | 370Z | N/A | Evaporator Core | ||||
| 2014 | Nissan | Maxima | N/A | Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core | ||||
| 2013 | Nissan | 370Z | N/A | Evaporator Core | ||||
| 2013 | Nissan | Maxima | N/A | Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core | ||||
| 2012 | Nissan | 370Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2012 | Nissan | Maxima | N/A | Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core | ||||
| 2011 | Nissan | 370Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2011 | Nissan | Maxima | N/A | Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core | ||||
| 2010 | Nissan | 370Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2010 | Nissan | Maxima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2009 | Nissan | 350Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2009 | Nissan | 370Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2009 | Nissan | Maxima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2009 | Nissan | Murano | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2008 | INFINITI | FX35 | N/A | Evaporator Core | ||||
| 2008 | INFINITI | FX45 | N/A | Evaporator Core | ||||
| 2008 | Nissan | 350Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2008 | Nissan | Maxima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2008 | Nissan | Murano | N/A | Evaporator Core | ||||
| 2007 | INFINITI | FX35 | N/A | Evaporator Core | ||||
| 2007 | INFINITI | FX45 | N/A | Evaporator Core | ||||
| 2007 | INFINITI | G35 | Coupe | 3.5L | V6 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |
| 2007 | Nissan | 350Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2007 | Nissan | Maxima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2007 | Nissan | Murano | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2006 | INFINITI | FX35 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2006 | INFINITI | FX45 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2006 | INFINITI | G35 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2006 | Nissan | 350Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2006 | Nissan | Altima | 3.5L | V6 | GAS | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |
| 2006 | Nissan | Altima | 2.5L | L4 | GAS | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | |
| 2006 | Nissan | Maxima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2006 | Nissan | Murano | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2005 | INFINITI | FX35 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2005 | INFINITI | FX45 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2005 | INFINITI | G35 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2005 | Nissan | 350Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2005 | Nissan | Altima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2005 | Nissan | Maxima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2005 | Nissan | Murano | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2004 | INFINITI | FX35 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2004 | INFINITI | FX45 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2004 | INFINITI | G35 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2004 | Nissan | 350Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2004 | Nissan | Altima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2004 | Nissan | Maxima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2004 | Nissan | Murano | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2003 | INFINITI | FX35 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2003 | INFINITI | FX45 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2003 | INFINITI | G35 | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2003 | Nissan | 350Z | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2003 | Nissan | Altima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2003 | Nissan | Murano | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core | ||||
| 2002 | Nissan | Altima | N/A | Extended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; 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.