HomeHVAC > A/C Condenser and EvaporatorFour Seasons 54409 A/C Evaporator Core - Rear
Part #: 54409

Four Seasons 54409 A/C Evaporator Core - Rear

Evaporator Core, Rear
⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Evaporator Core, Rear
🚗Fitment: Chevrolet and GMC, Astro and Safari
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Evaporator Core 54409

The Four Seasons Evaporator Core 54409 is designed specifically for Chevrolet Astro and GMC Safari models. This A/C evaporator core ensures efficient cooling performance by effectively absorbing heat from the vehicle's cabin air.

  • Compatible with Chevrolet Astro and GMC Safari
  • Dimensions: 13.25" width, 6.5" height, 2.875" depth
  • Constructed from durable aluminum material
  • Features No. 8 female o-ring inlet fitting and block outlet fitting
  • Includes one green O-ring (part number 24608) for secure sealing
  • Plate & fin core type for optimized heat exchange

Four Seasons Evaporator Core Product Line Details

The Four Seasons Evaporator Core product line focuses on delivering reliable HVAC components engineered for precise fit and function. The 54409 evaporator core is part of this line, offering a plate and fin design that balances airflow and heat transfer efficiency. This ensures consistent cabin cooling performance for compatible Chevrolet and GMC vehicles.

Technical Specifications and Features

This evaporator core measures 13.25 inches in width, 6.5 inches in height, and 2.875 inches in depth (73.025 mm core depth). It utilizes a plate and fin construction made from aluminum, which provides corrosion resistance and effective thermal conductivity. The inlet fitting is a No. 8 female o-ring type, while the outlet fitting uses a block fitting design. The included green O-ring (24608) ensures a tight seal to prevent refrigerant leaks.

Common Applications and Problem Resolution

  • Restores proper air conditioning cooling in Chevrolet Astro and GMC Safari vehicles
  • Replaces leaking or clogged evaporator cores causing reduced A/C performance
  • Addresses issues with insufficient cabin airflow or inconsistent temperature control
  • Eliminates refrigerant leaks related to damaged or worn evaporator cores
  • Improves overall HVAC system efficiency and reliability

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 54409 requires access to the vehicle's HVAC housing. Ensure all refrigerant is properly recovered before removal. Verify the correct orientation of the inlet and outlet fittings during installation. Replace the O-ring with the included green O-ring (part number 24608) to maintain a secure seal. It is recommended to inspect and clean the HVAC housing and related components before installing the new evaporator core.

Quality Assurance and Warranty

Four Seasons manufactures the 54409 evaporator core to meet OEM specifications for fit and function. The aluminum construction and plate & fin design contribute to durability and consistent performance. This part is backed by Four Seasons' quality standards, providing confidence in its reliability for Chevrolet Astro and GMC Safari applications.

BrandFour Seasons
Part Number54409
PositionEvaporator Core, Rear
Core Depth Fraction2-7/8
Core Depth MM73.025
Core Height Fraction6-1/2
Core Height MM165.100
Core Width Fraction13-1/4
Core Width MM336.550
Depth2.875
DescriptionEvaporator Cores
Height6.500
Inlet Fitting Outside DiameterNo. 8
Inlet Fitting TypeFemale O-Ring
MaterialAluminum
O-Ring A Number/Desc[24608] / Green O-Ring
Outlet Fitting TypeBlock Fitting
TypePlate & Fin
Width13.250

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
1994ChevroletAstroRearEvaporator Core
1994GMCSafariRearEvaporator 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:

0148468811154409156751156751X23675124967512730515288282296952377014247113295246550254409595245987516451N706751770142A98282CWK770142EP1014EP20034EV6952EV6952PFCEV6952PFXCT54409YE6751

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