HomeHVAC > A/C Condenser and EvaporatorFour Seasons 54290 A/C Evaporator Core
Part #: 54290

Four Seasons 54290 A/C Evaporator Core

Evaporator Core
3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Evaporator Core
Fitment: Jeep, Grand Cherokee
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Overview of Four Seasons Evaporator Core 54290

The Four Seasons Evaporator Core 54290 is designed specifically for Jeep Grand Cherokee models, providing reliable HVAC performance. This A/C evaporator core ensures efficient cooling by effectively managing refrigerant flow within the vehicle's air conditioning system.

  • Compatible with Jeep Grand Cherokee HVAC systems
  • Constructed from durable aluminum for corrosion resistance
  • Plate & fin design for optimized heat exchange
  • Female springlock inlet and outlet fittings (No. 8 and No. 10 diameters)
  • Core dimensions approximately 9.5" width, 8.75" height, and 3.5" depth
  • Includes green O-rings ([24668] and [24670]) for secure sealing

Detailed Product Description

The Four Seasons Evaporator Core 54290 features a plate and fin construction made from aluminum, which offers a balance of lightweight durability and efficient heat transfer. The core measures roughly 9.5 inches in width, 8.75 inches in height, and 3.5 inches in depth (88.9 mm core depth), fitting precisely within the Jeep Grand Cherokee's HVAC system. Both the inlet and outlet fittings use female springlock connections, with the inlet fitting sized at No. 8 and the outlet at No. 10, ensuring compatibility with factory refrigerant lines. The inclusion of green O-rings ([24668] and [24670]) in sets of three each provides a reliable seal to prevent refrigerant leaks and maintain system integrity.

About the Four Seasons Evaporator Core Product Line

The Evaporator Core line from Four Seasons focuses on delivering replacement evaporator cores engineered for direct fitment and dependable performance. This product line emphasizes precise dimensions and quality materials, such as aluminum plate and fin cores, to maintain the efficiency and longevity of vehicle HVAC systems. The 54290 part number is a representative component within this line, tailored for Jeep Grand Cherokee applications.

Common Issues Addressed by This Evaporator Core

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

Installation Notes and Tips

  • Ensure compatibility with Jeep Grand Cherokee model year before installation
  • Replace all O-rings with the included green O-rings to prevent leaks
  • Handle the aluminum core carefully to avoid damage to fins and tubes
  • Flush the HVAC system to remove debris before installing the new evaporator core
  • Follow manufacturer torque specifications for springlock fittings

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54290 to meet OEM standards for fit and function. The aluminum construction and included sealing components contribute to long-term durability. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.

BrandFour Seasons
Part Number54290
PositionEvaporator Core
Core Depth Fraction3-1/2
Core Depth MM88.900
Core Height Fraction8-3/4
Core Height MM222.250
Core Width Fraction9-1/2
Core Width MM235.000
Depth3.500
DescriptionEvaporator Cores
Height8.750
Height8.924
Inlet Fitting Outside DiameterNo. 8
Inlet Fitting TypeFemale Springlock
MaterialAluminum
O-Ring A Number/Desc[24668] / Green O-Ring
O-Ring B Number/Desc[24670] / Green O-Ring
Outlet Fitting Outside DiameterNo. 10
Outlet Fitting TypeFemale Springlock
TypePlate & Fin
Width9.250
Width9.500

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1998JeepGrand CherokeeN/Aw/ ATC (Automatic Temperature Control); Plate Fin; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
1997JeepGrand CherokeeN/Aw/ ATC (Automatic Temperature Control); Plate Fin; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
1996JeepGrand CherokeeN/Aw/ ATC (Automatic Temperature Control); Plate Fin; From 11/95; Evaporator replacement for this application may require considerable time, specialty tools, and training.; 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:

1054290111542901562841191905092733221288356294882168PF30591637721134711316488216848831965429058145940077202617721138900158997072A98356CWK772113EP392320EV4882168PFEV4882168PFCEV4882168PFXCT54290

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