Four Seasons 54776 A/C Evaporator Core - Front
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Four Seasons
 Evaporator Core

Four Seasons 54776 A/C Evaporator Core - Front

Brand Four Seasons 54776
Position Front
Core Depth Fraction 3-9/16
Core Depth MM 90.487
Core Height Fraction 9-7/16
Core Height MM 239.713
Core Width Fraction 10-5/8
Core Width MM 269.875
Depth 3.563
Depth 3.625
Description Evaporator Cores
Height 9.375
Height 9.4375
Height 10.500
Inlet Fitting Outside Diameter No. 8
Inlet Fitting Type Female Springlock
Material Aluminum
O-Ring A Number/Desc [24668] / Green O-Ring
O-Ring B Number/Desc [24672] / Green O-Ring
Outlet Fitting Outside Diameter No. 12
Outlet Fitting Type Female Springlock
Type Plate & Fin
Width 9.500
Width 10.500
Width 10.625
Product line Evaporator Core
Fits Ford and Mercury · 6 vehicles

Aluminum plate-and-fin design. Promotes efficient heat transfer in a compact evaporator core.

Female springlock fittings. Simplifies connection with a secure, service-friendly fit.

Core evaporator core. Built for HVAC systems that need reliable cooling performance.

Cross-references AMS Automotive 6001, AP Exhaust 54776 and Global Parts Distributors LLC 4711524 for the same application. See all 27.

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Four Seasons 54776 A/C Evaporator Core

The Four Seasons 54776 evaporator core is a plate-and-fin aluminum HVAC component built for front A/C service on select Ford and Mercury applications. It is sized for the listed core dimensions and uses female springlock inlet and outlet connections for direct replacement in the specified vehicles.

Key Features

  • Four Seasons Evaporator Core, part number 54776
  • Plate & fin construction with aluminum core material
  • Core width: 10-5/8 in. (269.875 mm)
  • Core height: 9-7/16 in. (239.713 mm)
  • Core depth: 3-9/16 in. (90.487 mm)
  • Female springlock inlet and outlet fittings
  • Inlet fitting outside diameter: No. 8
  • Outlet fitting outside diameter: No. 12
  • Uses green O-ring service points listed for the application

Product Details

Four Seasons 54776 is an A/C evaporator core for HVAC systems that require the listed dimensions and springlock-style connections. The aluminum plate-and-fin design supports efficient refrigerant heat transfer inside the dash HVAC case. This evaporator core is listed for 2001 Ford Explorer, 2001 Ford Explorer Sport, 2002 Ford Explorer, 2002 Ford Explorer Sport, and 2001-2002 Mercury Mountaineer front applications, including the noted production breakpoints.

This part cross-references Spectra Premium 1054776 and UAC EV939578PFXC for the same application. The Four Seasons 54776 part number is also referenced in interchange listings for related OE and aftermarket catalog numbers.

Vehicle Fitment

  • Fits 2001 Ford Explorer, N/A.
  • Fits 2001 Ford Explorer Sport, N/A.
  • Fits 2002 Ford Explorer, Front.
  • Fits 2002 Ford Explorer Sport, Front.
  • Fits 2001 Mercury Mountaineer, N/A.
  • Fits 2002 Mercury Mountaineer, Front; to 3/02.

Common Replacement Reasons

  • Leaking evaporator core causing loss of refrigerant
  • Reduced cabin cooling performance
  • Restricted airflow through the HVAC evaporator case
  • Corrosion or damage to the aluminum core
  • Service replacement after dash HVAC disassembly

Installation Notes

Replacement of this A/C evaporator core may require extended labor, specialty tools, and HVAC service experience, especially on the 2002 Ford Explorer, 2002 Ford Explorer Sport, and 2002 Mercury Mountaineer applications. Verify the listed dimensions, fitting types, and vehicle production date before installation. Proper evacuation, recovery, and recharge procedures should be followed after service.

Quality Assurance

Four Seasons catalogs this evaporator core as a direct HVAC replacement component for the listed Ford Explorer, Explorer Sport, and Mercury Mountaineer applications. Confirm part number 54776 against the vehicle’s build date and HVAC configuration before ordering.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002FordExplorerFrontExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2002FordExplorer SportFrontExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2002MercuryMountaineerFrontTo 3/02; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2001FordExplorerN/AFrom 11/13/00; Evaporator Core
2001FordExplorer SportN/AFrom 11/13/00; Evaporator Core
2001MercuryMountaineerN/AFrom 11/13/00; Evaporator Core
Directly replaces or cross-references 27 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6001AP Exhaust — 54776Global Parts Distributors LLC — 4711524Spectra Premium — 1054776UAC — EV939578PFXC1L2Z19860AA4L2Z19860BA60101970732369432884157200247711320147632215627712733261377113211154776191913228900004889032958A88415CWK771132EP11077EV939578PFCT54776YK209