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Part #: 54914

Four Seasons 54914 A/C Evaporator Core - Front

Evaporator Core, Front
⚙️ 113 vehicles fit this part
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📦Evaporator Core, Front
🚗Fitment: Hummer, Chevrolet, GMC, and Cadillac, H2, Cheyenne, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD Classic, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Silverado 3500 HD, Sierra, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD Classic, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500 Classic, Sierra 3500 HD, Escalade, Escalade ESV, Escalade EXT, Avalanche 1500, Avalanche 2500, Silverado 1500 HD, Suburban 1500, Suburban 2500, Tahoe, Sierra 1500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, and Sierra 2500
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Reliable A/C Evaporator Core for GM Trucks and SUVs

The Four Seasons Evaporator Core 54914 is engineered to restore efficient cooling performance in your vehicle's HVAC system. Designed specifically for select Cadillac, Chevrolet, GMC, and Hummer models, this evaporator core ensures proper fit and function for your A/C system.

  • Compatible with Chevrolet Silverado 1500, 2500, 3500 series and GMC Sierra models
  • Precision aluminum construction with plate & fin design for optimal heat exchange
  • Includes green O-rings [24608] and [24612] for secure sealing
  • Inlet and outlet flange fittings with No. 8 and No. 12 outside diameters
  • Core dimensions approximately 10.5" width, 11.125" height, and 2.25" depth

Four Seasons Evaporator Core Product Line Overview

The Four Seasons Evaporator Core line focuses on delivering durable and reliable HVAC components tailored to specific vehicle applications. This product line emphasizes precise fitment and quality materials, such as aluminum cores with plate and fin construction, to maintain efficient air conditioning performance. The 54914 part number is part of this line, designed to meet OEM specifications for a range of GM trucks and SUVs.

Detailed Product Description and Specifications

The Four Seasons 54914 evaporator core features a plate and fin aluminum design that promotes effective heat transfer and durability. Its core dimensions measure approximately 10.5 inches in width, 11.125 inches in height, and 2.25 inches in depth, providing a compact yet efficient cooling surface. The inlet fitting uses a block fitting with a No. 8 outside diameter, while the outlet fitting is a flange type with a No. 12 outside diameter, ensuring compatibility with the vehicle's existing HVAC plumbing. Included green O-rings [24608] and [24612] provide a secure seal to prevent refrigerant leaks. This evaporator core is compatible with a variety of GM vehicles, including Cadillac Escalade models, Chevrolet Avalanche 1500 and 2500, GMC Sierra 1500 and 2500 series, and Hummer H1 and H2.

Common Issues Addressed by This Evaporator Core

  • Reduced A/C cooling efficiency or warm air blowing from vents
  • Refrigerant leaks due to damaged or corroded evaporator core
  • Unusual odors or moisture buildup inside the vehicle cabin
  • HVAC system failure caused by clogged or deteriorated core fins
  • Inconsistent airflow or temperature fluctuations during A/C operation

Installation Notes and Tips

  • Ensure compatibility with your specific make and model before installation
  • Replace O-rings with those provided to maintain proper sealing
  • Handle the aluminum core carefully to avoid damage to fins
  • Flush the HVAC system to remove debris before installing the new evaporator core
  • Professional installation is recommended due to the complexity of HVAC system disassembly

Quality Assurance and Warranty Information

Four Seasons manufactures the 54914 evaporator core to meet or exceed OEM standards, using corrosion-resistant aluminum and precision fittings. The product includes green O-rings for reliable sealing and is designed for long-term durability. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.

BrandFour Seasons
Part Number54914
PositionEvaporator Core, Front
Core Depth Fraction2-1/4
Core Depth MM57.150
Core Height Fraction11-1/8
Core Height MM282.575
Core Width Fraction10-1/2
Core Width MM266.700
Depth2.250
Depth2.3125
DescriptionEvaporator Cores
Height11.125
Height11.250
Inlet Fitting Outside DiameterNo. 8
Inlet Fitting TypeBlock Fitting
Inlet Fitting TypeFlange
MaterialAluminum
O-Ring A Number/Desc[24608] / Green O-Ring
O-Ring B Number/Desc[24612] / Green O-Ring
Outlet Fitting Outside DiameterNo. 12
Outlet Fitting TypeFlange
TypePlate & Fin
Width10.500
Width10.625

This part fits 113 vehicles. Search below:

YearMakeModelPositionNotes
2009HummerH2N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2008HummerH2N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletCheyenneN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletSilverado 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletSilverado 1500 ClassicN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletSilverado 1500 HD ClassicN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletSilverado 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletSilverado 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletSilverado 2500 HD ClassicN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletSilverado 3500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletSilverado 3500 ClassicN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007ChevroletSilverado 3500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007GMCSierraN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007GMCSierra 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007GMCSierra 1500 ClassicN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007GMCSierra 1500 HD ClassicN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007GMCSierra 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007GMCSierra 2500 HD ClassicN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007GMCSierra 3500 ClassicN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007GMCSierra 3500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2007HummerH2N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006CadillacEscaladeFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006CadillacEscalade ESVFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006CadillacEscalade EXTFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletAvalanche 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletAvalanche 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletCheyenneN/AEvaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletSilverado 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletSilverado 1500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletSilverado 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletSilverado 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletSilverado 3500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletSuburban 1500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletSuburban 2500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006ChevroletTahoeFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006GMCSierra 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006GMCSierra 1500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006GMCSierra 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006GMCSierra 3500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006GMCYukonFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006GMCYukon XL 1500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006GMCYukon XL 2500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2006HummerH1FrontEvaporator Core
2006HummerH2N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2005CadillacEscaladeFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005CadillacEscalade ESVFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005CadillacEscalade EXTFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletAvalanche 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletAvalanche 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletCheyenneN/AEvaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletSilverado 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletSilverado 1500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletSilverado 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletSilverado 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletSilverado 3500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletSuburban 1500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletSuburban 2500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005ChevroletTahoeFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005GMCSierra 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005GMCSierra 1500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005GMCSierra 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005GMCSierra 3500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005GMCYukonFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005GMCYukon XL 1500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005GMCYukon XL 2500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2005HummerH2N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2004CadillacEscaladeFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004CadillacEscalade ESVFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004CadillacEscalade EXTFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletAvalanche 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletAvalanche 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletCheyenneN/AEvaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletSilverado 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletSilverado 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletSilverado 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletSilverado 3500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletSuburban 1500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletSuburban 2500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004ChevroletTahoeFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004GMCSierra 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004GMCSierra 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004GMCSierra 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004GMCSierra 3500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004GMCYukonFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004GMCYukon XL 1500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004GMCYukon XL 2500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2004HummerH1FrontEvaporator Core
2004HummerH2N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2003CadillacEscaladeFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003CadillacEscalade ESVFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003CadillacEscalade EXTFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletAvalanche 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletAvalanche 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletCheyenneN/AEvaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletSilverado 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletSilverado 1500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletSilverado 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletSilverado 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletSilverado 3500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletSuburban 1500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletSuburban 2500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003ChevroletTahoeFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003GMCSierra 1500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003GMCSierra 1500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003GMCSierra 2500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003GMCSierra 2500 HDN/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003GMCSierra 3500N/Aw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003GMCYukonFrontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003GMCYukon XL 1500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003GMCYukon XL 2500Frontw/ Custom Center Console; Evaporator replacement for this application may require considerable time, specialty tools, and training.; Evaporator Core
2003HummerH1FrontEvaporator Core
2003HummerH2N/AExtended labor, specialized tools, and expertise may be necessary for replacement of this A/C Evaporator Core.; Evaporator Core
2002HummerH1FrontEvaporator 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:

01476620101007511154914156326419258418193462602733373288473377018847121005491467197068867701888898662897130A88473CWK770188EV939763PFCEV939763PFXCT54914

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

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