HomeHVAC > A/C Condenser and EvaporatorFour Seasons 54963 A/C Evaporator Core - Rear
Part #: 54963

Four Seasons 54963 A/C Evaporator Core - Rear

Evaporator Core, Rear
25 vehicles fit this part
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Evaporator Core, Rear
Fitment: Buick, Cadillac, Chevrolet, GMC, and Saturn, Enclave, Escalade, Tahoe, Traverse, Acadia, Yukon, and Outlook
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Overview of Four Seasons Evaporator Core 54963

The Four Seasons Evaporator Core 54963 is designed to restore efficient air conditioning performance in select GM vehicles. Engineered with precision, this A/C evaporator core is compatible with Buick, Cadillac, Chevrolet, GMC, and Saturn models, including the Acadia, Enclave, Escalade, Outlook, Tahoe, Traverse, and Yukon.

  • Core dimensions: 8.875 inches width, 5.5 inches height, 2.3125 inches depth
  • Constructed from durable aluminum material
  • Plate and fin design for effective heat exchange
  • Flange type inlet and outlet fittings for secure connections
  • Includes slimline washer O-rings (part numbers 24402 and 24403)

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 emphasizes quality materials and precise fitment to ensure proper airflow and cooling efficiency. The 54963 evaporator core is part of this line, offering a plate and fin core depth of approximately 2-5/16 inches (58.7 mm) and a core width of 8-7/8 inches (225.4 mm), designed to fit specific GM vehicle HVAC systems.

Product Description and Specifications

This A/C evaporator core features a plate and fin construction made from aluminum, providing effective heat transfer and corrosion resistance. The core measures 8.875 inches wide, 5.5 inches high, and 2.3125 inches deep, matching the OEM dimensions for proper fitment. Both the inlet and outlet fittings use flange types, ensuring a secure and leak-free connection within the HVAC system. The included slimline washer O-rings (one each of part numbers 24402 and 24403) help maintain a tight seal during installation.

Compatible Vehicles and Common Applications

  • Buick Acadia and Enclave
  • Cadillac Escalade
  • Chevrolet Outlook, Tahoe, and Traverse
  • GMC Yukon
  • Saturn models within the specified range

This evaporator core is intended for use in HVAC systems requiring replacement due to reduced cooling efficiency or component failure.

Issues Addressed by Four Seasons Evaporator Core 54963

  • Reduced air conditioning cooling performance
  • Leaks or damage in the evaporator core
  • Unpleasant odors caused by mold or debris buildup
  • HVAC system moisture accumulation and corrosion
  • Inconsistent airflow or temperature regulation

Installation Notes and Tips

When installing the Four Seasons Evaporator Core 54963, ensure the HVAC system is properly evacuated and flushed to remove contaminants. Use the included slimline washer O-rings to secure flange fittings and prevent leaks. Verify core dimensions against the vehicle’s OEM specifications before installation. Professional installation is recommended to maintain system integrity and performance.

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54963 to meet or exceed OEM standards, using high-quality aluminum and precise manufacturing processes. The product includes necessary O-rings for sealing and is backed by Four Seasons’ quality assurance protocols. Warranty details should be confirmed with the manufacturer or distributor at the time of purchase.

BrandFour Seasons
Part Number54963
PositionEvaporator Core, Rear
Core Depth Fraction2-5/16
Core Depth MM58.737
Core Height Fraction5-1/2
Core Height MM139.700
Core Width Fraction8-7/8
Core Width MM225.425
Depth2.3125
DescriptionEvaporator Cores
Height5.500
Inlet Fitting TypeFlange
MaterialAluminum
O-Ring A Number/Desc[24402] / Slimline Washer
O-Ring B Number/Desc[24403] / Slimline Washer
Outlet Fitting TypeFlange
TypePlate & Fin
Width8.875

This part fits 25 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010BuickEnclaveRearEvaporator Core
2010CadillacEscaladeRearEvaporator Core
2010ChevroletTahoe5.3LV8RearEvaporator Core
2010ChevroletTraverseRearEvaporator Core
2010GMCAcadiaRearEvaporator Core
2010GMCYukonRearEvaporator Core
2010SaturnOutlookRearEvaporator Core
2009BuickEnclaveRearEvaporator Core
2009CadillacEscaladeRearEvaporator Core
2009ChevroletTahoeRearEvaporator Core
2009ChevroletTraverseRearEvaporator Core
2009GMCAcadiaRearEvaporator Core
2009GMCYukonRearEvaporator Core
2009SaturnOutlookRearEvaporator Core
2008BuickEnclaveRearEvaporator Core
2008CadillacEscaladeRearEvaporator Core
2008ChevroletTahoeRearEvaporator Core
2008GMCAcadiaRearEvaporator Core
2008GMCYukonRearEvaporator Core
2008SaturnOutlookRearEvaporator Core
2007CadillacEscaladeRearEvaporator Core
2007ChevroletTahoeRearEvaporator Core
2007GMCAcadiaRearEvaporator Core
2007GMCYukonRearEvaporator Core
2007SaturnOutlookRearEvaporator 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:

10102671115496315232208156334715634891563852159208702077255720827668208595262733762288628471218554963594102706966770217841280728440704197159A88628T54963

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