HomeHVAC > A/C Condenser and EvaporatorFour Seasons 54851 A/C Evaporator Core
Part #: 54851

Four Seasons 54851 A/C Evaporator Core

Evaporator Core
⚙️ 21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Evaporator Core
🚗Fitment: Saturn, L300, L200, LW200, LW300, L100, LS, LS1, LS2, LW1, and LW2
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Overview of Four Seasons Evaporator Core 54851

The Four Seasons Evaporator Core 54851 is designed specifically for Saturn models including L100, L200, L300, LS, LS1, LS2, LW1, LW2, LW200, and LW300. This A/C evaporator core ensures efficient cooling performance by effectively managing refrigerant flow within the vehicle's HVAC system.

  • Core dimensions: 8.125 inches width, 10.5 inches height, 2.875 inches depth
  • Inlet fitting: No. 8 flange type
  • Outlet fitting: No. 10 flange type
  • Constructed from durable aluminum material
  • Includes two green O-rings ([24608] and [24610]) for secure sealing
  • Plate & fin core design for optimized heat exchange

Detailed Product Features and Specifications

The Four Seasons Evaporator Core 54851 features a plate and fin design that enhances heat transfer efficiency within the HVAC system. Measuring 8-1/8 inches in width, 10-1/2 inches in height, and 2-7/8 inches in depth (206.375 mm x 266.7 mm x 73.025 mm), this evaporator core fits precisely in compatible Saturn vehicles. The inlet and outlet fittings are flange type, with outside diameters of No. 8 and No. 10 respectively, ensuring proper connection to the refrigerant lines. Manufactured from aluminum, the core offers corrosion resistance and durability under typical operating conditions. The included green O-rings ([24608] and [24610]) provide reliable sealing to prevent refrigerant leaks.

About the Four Seasons Evaporator Core Product Line

The Evaporator Core line by Four Seasons focuses on delivering replacement evaporator cores engineered to meet or exceed OEM specifications. This product line emphasizes precise fitment and material quality to maintain HVAC system performance and reliability. The 54851 part number is part of this line, designed to restore proper cooling function in Saturn L-series and LW-series models.

Common Applications and Problem Resolution

  • Replacement for leaking or clogged evaporator cores in Saturn L100, L200, L300, LS, LS1, LS2, LW1, LW2, LW200, and LW300
  • Restores efficient refrigerant flow and heat exchange in the vehicle’s A/C system
  • Eliminates reduced cooling performance caused by damaged or corroded cores
  • Prevents refrigerant leaks that can lead to system failure
  • Addresses HVAC odors related to evaporator core contamination

Installation Notes and Tips

  • Ensure compatibility with specific Saturn model and year before installation
  • Inspect and replace O-rings to maintain proper sealing and prevent leaks
  • Handle the aluminum core carefully to avoid damage during installation
  • Flush the HVAC system to remove debris before installing the new evaporator core
  • Follow vehicle manufacturer guidelines for refrigerant handling and system evacuation

Quality Assurance and Warranty

Four Seasons manufactures the Evaporator Core 54851 to meet industry standards for durability and performance. The aluminum construction and included sealing components contribute to long service life. 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 Number54851
PositionEvaporator Core
Core Depth Fraction2-7/8
Core Depth MM73.025
Core Height Fraction10-1/2
Core Height MM266.700
Core Width Fraction8-1/8
Core Width MM206.375
Depth2.875
DescriptionEvaporator Cores
Height10.500
Inlet Fitting Outside DiameterNo. 8
Inlet Fitting TypeFlange
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 TypeFlange
TypePlate & Fin
Width8.125

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
2005SaturnL300N/AEvaporator Core
2004SaturnL300N/AEvaporator Core
2003SaturnL200N/AEvaporator Core
2003SaturnL300N/AEvaporator Core
2003SaturnLW200N/AEvaporator Core
2003SaturnLW300N/AEvaporator Core
2002SaturnL100N/AEvaporator Core
2002SaturnL200N/AEvaporator Core
2002SaturnL300N/AEvaporator Core
2002SaturnLW200N/AEvaporator Core
2002SaturnLW300N/AEvaporator Core
2001SaturnL100N/AEvaporator Core
2001SaturnL200N/AEvaporator Core
2001SaturnL300N/AEvaporator Core
2001SaturnLW200N/AEvaporator Core
2001SaturnLW300N/AEvaporator Core
2000SaturnLSN/AEvaporator Core
2000SaturnLS1N/AEvaporator Core
2000SaturnLS2N/AEvaporator Core
2000SaturnLW1N/AEvaporator Core
2000SaturnLW2N/AEvaporator 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:

10101391115485122713734273341728885129939622PF47116835485177020180573090585609A88851CWK770201EV939622PFCT54851

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