Four Seasons 54931 A/C Evaporator Core - Front
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Four Seasons
 Evaporator Core

Four Seasons 54931 A/C Evaporator Core - Front

Brand Four Seasons 54931
Position Front
Core Depth Fraction 2-9/32
Core Depth MM 58
Core Height Fraction 11-11/16
Core Height MM 297
Core Width Fraction 10-13/16
Core Width MM 275
Depth 2.28
Description Evaporator Cores
Height 11.69
Inlet Fitting Outside Diameter No. 8
Inlet Fitting Type Block Fitting
Material Aluminum
O-Ring A Number/Desc [24642] / Green O-Ring
O-Ring B Number/Desc [24661] / Green O-Ring
Outlet Fitting Outside Diameter No. 10
Outlet Fitting Type Block Fitting
Type Plate & Fin
Width 10.83
Product line Evaporator Core
Fits Lexus · 6 vehicles

Aluminum construction. Helps resist corrosion while keeping weight down.

Plate and fin design. Promotes efficient heat transfer for consistent cooling performance.

Block fittings. Uses inlet and outlet block connections for a secure seal.

Cross-references Four Seasons 54931, Global Parts Distributors LLC 4711738 and UAC EV939616PFC for the same application. See all 18.

$132.03Free shipping
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Order total $132.03
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Four Seasons 54931 Evaporator Core Overview

Four Seasons 54931 is an aluminum A/C evaporator core for the front HVAC system in the 2001-2006 Lexus LS430. It is built as a plate-and-fin evaporator core with block-style inlet and outlet fittings for a direct replacement in the vehicle’s air conditioning system.

The Four Seasons Evaporator Core line focuses on replacement HVAC components for service work where the original evaporator has leaked, restricted airflow, or lost cooling performance. This Four Seasons 54931 evaporator core matches the listed core dimensions and fitting layout for the Lexus LS430 front application.

Key Features

  • Part number 54931 A/C evaporator core
  • Fits 2001-2006 Lexus LS430, front
  • Aluminum plate-and-fin construction
  • Block fitting inlet and outlet design
  • Core dimensions: 10-13/16 in. wide, 11-11/16 in. high, 2-9/32 in. deep
  • Inlet fitting outside diameter: No. 8
  • Outlet fitting outside diameter: No. 10
  • Includes green O-ring references for the listed fittings

Detailed Description

Four Seasons 54931 is an HVAC evaporator core engineered for the front A/C system in the Lexus LS430. The aluminum plate-and-fin design supports efficient heat transfer inside the climate control system, while the block fitting configuration aligns with the listed inlet and outlet connections. With a core width of 275 mm, core height of 297 mm, and core depth of 58 mm, this evaporator core is specified for the 2001-2006 Lexus LS430 front application. If you are replacing a leaking or restricted evaporator in a Lexus LS430, Four Seasons 54931 provides the correct fitment profile for that service.

This part cross-references UAC EV939616PFC for the same application.

Common Replacement Reasons

  • Loss of cabin cooling performance
  • Refrigerant leakage from the evaporator core
  • Restricted airflow through the HVAC case
  • Moisture-related odor or residue from a failing evaporator
  • Service replacement during major A/C repair on a Lexus LS430

Installation Notes and Tips

Replacement on the 2001-2006 Lexus LS430 front evaporator core can require extended labor, specialized tools, and HVAC system disassembly. Verify the inlet and outlet fitting types, core dimensions, and vehicle application before installation. Proper evacuation, leak checking, and system recharge procedures should be followed after service.

Quality Assurance

Four Seasons supplies HVAC replacement components with application-specific dimensions and fitting details to support accurate service replacement. Confirm the part number 54931 and the listed Lexus LS430 front fitment before installation.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006LexusLS430FrontExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2005LexusLS430FrontExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2004LexusLS430FrontExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2003LexusLS430FrontExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2002LexusLS430FrontExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2001LexusLS430FrontExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
Directly replaces or cross-references 18 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 54931Global Parts Distributors LLC — 4711738UAC — EV939616PFC28852359038577319480565527332943773194476005847600801115493129939616PF88501502108850150211A88523CWK773194T54931