Homeβ€Ί HVAC > A/C Condenser and Evaporatorβ€Ί Four Seasons 54840 A/C Evaporator Core
Part #: 54840

Four Seasons 54840 A/C Evaporator Core

Evaporator Core
63 vehicles fit this part
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Evaporator Core
Fitment: Nissan and INFINITI, 370Z, Maxima, 350Z, Murano, FX35, FX45, G35, and Altima
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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.

BrandFour Seasons
Part Number54840
PositionEvaporator Core
Core Depth Fraction2-1/4
Core Depth MM57.150
Core Height Fraction10
Core Height MM254.000
Core Width Fraction10-3/16
Core Width MM274.637
Depth2.250
DescriptionEvaporator Cores
Height10.000
Inlet Fitting TypeBlock Fitting
MaterialAluminum
O-Ring A Number/Desc[24150] / Black O-Ring
O-Ring B Number/Desc[24661] / Green O-Ring
Outlet Fitting TypeBlock Fitting
TypePlate & Fin
Width10.8125

This part fits 63 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersFuel TypePositionNotes
2025NissanZN/AEvaporator Core
2024NissanZN/AEvaporator Core
2023NissanZN/AEvaporator Core
2020Nissan370ZN/AEvaporator Core
2019Nissan370ZN/AEvaporator Core
2018Nissan370ZN/AEvaporator Core
2017Nissan370ZN/AEvaporator Core
2016Nissan370ZN/AEvaporator Core
2015Nissan370ZN/AEvaporator Core
2014Nissan370ZN/AEvaporator Core
2014NissanMaximaN/AEvaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2013Nissan370ZN/AEvaporator Core
2013NissanMaximaN/AEvaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2012Nissan370ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2012NissanMaximaN/AEvaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2011Nissan370ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2011NissanMaximaN/AEvaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2010Nissan370ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2010NissanMaximaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2009Nissan350ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2009Nissan370ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2009NissanMaximaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2009NissanMuranoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2008INFINITIFX35N/AEvaporator Core
2008INFINITIFX45N/AEvaporator Core
2008Nissan350ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2008NissanMaximaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2008NissanMuranoN/AEvaporator Core
2007INFINITIFX35N/AEvaporator Core
2007INFINITIFX45N/AEvaporator Core
2007INFINITIG35Coupe3.5LV6N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2007Nissan350ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2007NissanMaximaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2007NissanMuranoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2006INFINITIFX35N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2006INFINITIFX45N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2006INFINITIG35N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2006Nissan350ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2006NissanAltima3.5LV6GASN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2006NissanAltima2.5LL4GASN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2006NissanMaximaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2006NissanMuranoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2005INFINITIFX35N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2005INFINITIFX45N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2005INFINITIG35N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2005Nissan350ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2005NissanAltimaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2005NissanMaximaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2005NissanMuranoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2004INFINITIFX35N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2004INFINITIFX45N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2004INFINITIG35N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2004Nissan350ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2004NissanAltimaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2004NissanMaximaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2004NissanMuranoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2003INFINITIFX35N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2003INFINITIFX45N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2003INFINITIG35N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2003Nissan350ZN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2003NissanAltimaN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2003NissanMuranoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2002NissanAltimaN/AExtended 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:

0147671810100211010202111548401115492911154952249914272808J000272808J50027280AM60027280AM60A27280AM60B27280AM60C272818J50027281AM60027281CA00027281CB62A2730528273334628851328854428884037731924711651471191454840549295495277319277322780916997118A88513A88544A88840CWK773192EV939536PFCEV939536PFXCEV939774PFCT54840

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.