Four Seasons
Evaporator Core

Four Seasons 54783 A/C Evaporator Core

Brand Four Seasons 54783
Core Depth Fraction 3-9/16
Core Depth MM 90.487
Core Height Fraction 10
Core Height MM 254.000
Core Width Fraction 9-3/4
Core Width MM 247.269
Depth 3.1875
Depth 3.563
Description Evaporator Cores
Height 10.000
Height 11.000
Inlet Fitting Outside Diameter No. 8
Inlet Fitting Type Female O-Ring
Material Aluminum
O-Ring A Number/Desc [24604] / Green O-Ring
O-Ring B Number/Desc [24606] / Green O-Ring
O-Ring C Number/Desc [24608] / Green O-Ring
Outlet Fitting Type Block Fitting
Type Serpentine
Width 9.735
Width 9.9375
Product line Evaporator Core
Fits Mazda · 2 vehicles

OE-style replacement. Evaporator core for straightforward service and dependable cooling performance.

Aluminum construction. Lightweight material helps transfer heat efficiently.

Serpentine design. Promotes efficient refrigerant flow through the core.

Cross-references Four Seasons 54783, 59539 and 107114 for the same application. See all 25.

$119.55Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons 54783 Evaporator Core

The Four Seasons 54783 evaporator core is an aluminum A/C evaporator core built in a serpentine design for HVAC service and replacement work. It is specified for 1992-1993 Mazda 929 applications and matches the listed inlet and outlet fitting styles for direct-fit repair planning.

Key Features

  • Four Seasons Evaporator Core line
  • Part number 54783
  • Aluminum construction for HVAC use
  • Serpentine core design
  • Core width: 9-3/4 in. (247.269 mm)
  • Core height: 10 in. (254.000 mm)
  • Core depth: 3-9/16 in. (90.487 mm)
  • Inlet fitting: No. 8 female O-ring
  • Outlet fitting: block fitting
  • Includes Green O-Ring references: [24604], [24606], [24608]

Detailed Description

Four Seasons 54783 is an A/C evaporator core for HVAC systems that require a serpentine aluminum core with the listed dimensions and fitting configuration. For Mazda 929 owners, this evaporator core supports replacement of the in-dash cooling component used in 1992-1993 Mazda 929 vehicles. The Four Seasons evaporator core line focuses on service replacement parts for air conditioning repair, and this unit is identified by part number 54783 for ordering and catalog matching. This part cross-references 59539 and EV4891A for the same application.

What It Helps Address

  • Weak or inconsistent cabin cooling
  • Refrigerant leakage at the evaporator core
  • Restricted airflow through a damaged core
  • Corrosion or internal wear in the HVAC evaporator assembly
  • Replacement needs during A/C system repair on a Mazda 929

Installation Notes and Tips

Verify the inlet and outlet fitting styles, core dimensions, and vehicle application before installation. This evaporator core is listed for 1992-1993 Mazda 929 models, so confirm the HVAC case and line connections match the vehicle before disassembly. Proper evacuation, leak checking, and system recharge procedures should be followed after installation. Part number 54783 should be matched against the existing component and service information during repair planning.

Quality Assurance

Four Seasons catalogs this evaporator core as part of its HVAC replacement lineup for application-specific service work. The aluminum construction, serpentine core layout, and listed dimensional data provide the reference points needed for accurate parts selection on Mazda 929 A/C repairs.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1993Mazda929N/AEvaporator Core
1992Mazda929N/AEvaporator Core
Directly replaces or cross-references 25 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 547835953910711416954024957928822977320280513101494052156225237732024711528111547831919132888917594A98229CWK773202EP39237EV4891AEV4891PFCHG3061J10HG3061J10AHG3061J10BT54783YE579