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Four Seasons 54439 A/C Evaporator CoreOE Quality 60-Day Returns
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Part #: 54439

Four Seasons 54439 A/C Evaporator Core

Evaporator Core
⚙️ 33 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Evaporator Core
🚗Fitment: Ford and Mercury, Escort, Tempo, Lynx, Topaz, EXP, and LN7
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Overview of Four Seasons Evaporator Core 54439

The Four Seasons Evaporator Core 54439 is designed to restore efficient cooling performance in select Ford and Mercury vehicles. This A/C evaporator core is engineered to meet the specific dimensions and fitting requirements of models like the Ford Escort, LN7, Lynx, Tempo, and Mercury Topaz.

  • Core dimensions: 9.000 inches width, 6.625 inches height, 4.000 inches depth
  • Material: Durable aluminum construction for effective heat exchange
  • Inlet and outlet fittings: Male insert o-ring type with No. 10 outside diameter
  • Includes green O-rings ([24608] and [24610]) for secure sealing
  • Plate & fin core design for optimized airflow and cooling efficiency

Detailed Product Description

The Four Seasons Evaporator Core 54439 features a plate and fin design constructed from aluminum, providing reliable heat transfer and corrosion resistance. With core dimensions of 9 inches wide, 6.625 inches high, and 4 inches deep, this evaporator core fits precisely within the HVAC system of compatible Ford and Mercury vehicles. Both the inlet and outlet fittings utilize male insert o-rings, ensuring a tight, leak-free connection. The included green O-rings ([24608] and [24610]) help maintain system integrity and prevent refrigerant loss.

This evaporator core is part of the Four Seasons Evaporator Core product line, which focuses on delivering replacement components engineered to match original equipment specifications. The line emphasizes durability and compatibility, making it suitable for maintaining the HVAC performance in older Ford and Mercury models.

Compatible Vehicles and Applications

  • Ford Escort
  • Ford LN7
  • Ford Lynx
  • Ford Tempo
  • Mercury Topaz

This evaporator core is specifically designed for these models, ensuring proper fitment and function within their factory HVAC systems.

Common Issues Addressed by This Evaporator Core

  • Reduced cooling efficiency due to clogged or damaged evaporator core
  • Refrigerant leaks caused by worn or damaged seals
  • Unpleasant odors from mold or debris buildup inside the evaporator
  • HVAC system moisture accumulation leading to fogging or condensation
  • Inconsistent cabin temperature control

Installation Notes and Tips

  • Verify vehicle compatibility with Ford Escort, LN7, Lynx, Tempo, or Mercury Topaz before installation
  • Inspect and replace O-rings as needed to ensure a proper seal
  • Handle the aluminum core carefully to avoid damage during installation
  • Flush the HVAC system to remove debris before installing the new evaporator core
  • Follow manufacturer torque specifications for fittings to prevent leaks

Quality Assurance and Warranty

The Four Seasons Evaporator Core 54439 is manufactured to meet or exceed OEM standards for fit, form, and function. Constructed from corrosion-resistant aluminum with precision fittings, it supports reliable HVAC system performance. While specific warranty details are not provided here, Four Seasons products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandFour Seasons
Part Number54439
PositionEvaporator Core
Core Depth Fraction4
Core Depth MM101.600
Core Height Fraction6-5/8
Core Height MM168.275
Core Width Fraction9
Core Width MM228.600
Depth4.000
DescriptionEvaporator Cores
Height6.625
Inlet Fitting TypeMale Insert O-Ring
MaterialAluminum
O-Ring A Number/Desc[24608] / Green O-Ring
O-Ring B Number/Desc[24610] / Green O-Ring
Outlet Fitting Outside DiameterNo. 10
Outlet Fitting TypeMale Insert O-Ring
TypePlate & Fin
Width9.000

This part fits 33 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1988FordEscortGL1.9LL4N/ATo 10/87; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
1988FordEscortLX1.9LL4N/ATo 10/87; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
1988FordEscortPony1.9LL4N/ATo 10/87; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
1987FordEscortGL2.0LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1987FordEscortGL1.9LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1987FordEscortPony1.9LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1987FordTempoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1987MercuryLynx2.0LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1987MercuryLynx1.9LL4N/ABefore 10/87; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
1987MercuryTopazN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1986FordEscortGL2.0LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1986FordEscortGL1.9LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1986FordEscortL2.0LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1986FordEscortL1.9LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1986FordEscortLX1.9LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1986FordEscortPony1.9LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1986FordTempoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1986MercuryLynx2.0LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1986MercuryTopazN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1985FordEscortN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1985FordTempoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1985MercuryLynxN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1985MercuryTopazN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1984FordEscort1.6LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1984FordTempoN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1984MercuryLynxN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1984MercuryTopaz2.3LL4N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1983FordEscortN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1983MercuryLN7N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1983MercuryLynxN/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1982FordEscortN/AFrom 2/82; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
1982MercuryLN7N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
1982MercuryLynxN/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:

01482256105443910701211154439156206015621711563574156641158092158092G1919051823009224929127085273310528805337711444711339500925443960926092N771144788053A9361CWK771144E2FZ19860AE3FZ19860AEP11029EV0092EV0092PFCT54439YE291YK78YK92

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

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