HomeHVAC > A/C Condenser and EvaporatorFour Seasons 54805 A/C Evaporator Core - Rear
Part #: 54805

Four Seasons 54805 A/C Evaporator Core - Rear

Evaporator Core, Rear
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Evaporator Core, Rear
🚗Fitment: Ford and Lincoln, Expedition and Navigator
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Evaporator Core 54805

The Four Seasons Evaporator Core 54805 is designed specifically for Ford Expedition and Lincoln Navigator models. This A/C evaporator core ensures efficient cooling performance by effectively absorbing heat from the vehicle's cabin air.

  • Compatible with Ford Expedition and Lincoln Navigator
  • Part Number: 54805
  • Constructed from durable aluminum material
  • Plate & fin core type for optimal heat exchange
  • Dimensions: Width 10.5625 inches, Height 7.125 inches, Depth 3.5 inches
  • Inlet fitting outside diameter: No. 8
  • Outlet fitting type: Male insert o-ring with No. 10 outside diameter
  • Includes green o-rings [24608] and [24610], one each

Four Seasons Evaporator Core Product Line Details

The Evaporator Core line by Four Seasons focuses on delivering reliable HVAC components that meet OEM specifications. This product line features plate and fin evaporator cores made from aluminum, designed to provide consistent cooling performance and durability. The 54805 evaporator core is part of this line, engineered to fit select Ford and Lincoln vehicles with precise dimensions and fitting types to ensure proper installation and function.

Product Specifications and Features

The Four Seasons 54805 evaporator core measures 10.5625 inches in width, 7.125 inches in height, and 3.5 inches in depth, providing a compact yet efficient design. Its plate and fin construction enhances heat transfer, improving the air conditioning system's ability to cool the cabin air. The aluminum material offers corrosion resistance and longevity. The inlet fitting has an outside diameter of No. 8, while the outlet fitting is a male insert o-ring type with a No. 10 outside diameter, ensuring secure connections within the HVAC system. Included green o-rings [24608] and [24610] provide proper sealing to prevent leaks.

Common Applications and Issues Addressed

  • Restores proper cooling in Ford Expedition and Lincoln Navigator A/C systems
  • Replaces leaking or clogged evaporator cores
  • Eliminates musty odors caused by evaporator core contamination
  • Resolves insufficient cabin cooling due to evaporator core failure
  • Prevents refrigerant leaks and maintains system pressure

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 54805 requires removal of the vehicle’s HVAC housing. Ensure all refrigerant is properly evacuated before beginning work. Verify the inlet and outlet fitting sizes match the vehicle’s system to avoid leaks. Replace the included green o-rings during installation to maintain a secure seal. It is recommended to inspect the entire A/C system for additional wear or damage while replacing the evaporator core.

Quality Assurance and Warranty

Four Seasons manufactures the 54805 evaporator core to meet or exceed OEM standards for fit, form, and function. The aluminum construction and plate & fin design contribute to long-lasting performance. This part is backed by Four Seasons’ quality assurance processes. Please refer to Four Seasons’ official warranty documentation for specific coverage details.

BrandFour Seasons
Part Number54805
PositionEvaporator Core, Rear
Core Depth Fraction3-1/2
Core Depth MM88.900
Core Height Fraction7-1/8
Core Height MM180.975
Core Width Fraction10-9/16
Core Width MM268.288
Depth3.500
DescriptionEvaporator Cores
Height7.125
Height7.13
Inlet Fitting Outside DiameterNo. 8
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
Width10.5625

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2004FordExpeditionRearEvaporator Core
2004LincolnNavigatorRearEvaporator Core
2003FordExpeditionRearEvaporator Core
2003LincolnNavigatorRearEvaporator 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:

1054805111548051563629191913462884332L1Z19860AB377117247119884L1Z19860AA54805599781771172A88433CWK771172EP11090EV939781PFCEV939781PFXCT54805YK202YK220

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