HomeHVAC > A/C Condenser and EvaporatorFour Seasons 64091 A/C Evaporator Core
Part #: 64091

Four Seasons 64091 A/C Evaporator Core

Evaporator Core
26 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Evaporator Core
Fitment: Kia, Optima and Cadenza
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons Evaporator Core 64091

The Four Seasons Evaporator Core 64091 is designed specifically for Kia Cadenza and Optima models, providing reliable HVAC performance. This aluminum evaporator core ensures efficient cooling and proper air conditioning function within your vehicle's system.

  • Compatible with Kia Cadenza and Optima models
  • Dimensions: 10.00 inches width, 11.69 inches height, 1.75 inches depth
  • Constructed from durable aluminum material
  • Features block fitting inlet and outlet connections
  • Parallel type core design for optimized airflow

Product Line Details: Four Seasons Evaporator Core

The Four Seasons Evaporator Core product line focuses on delivering precise fit and reliable performance for vehicle HVAC systems. The 64091 part is part of this line, engineered to meet OEM specifications for Kia vehicles. Its parallel core design and aluminum construction contribute to effective heat exchange and long-lasting durability.

Technical Description and Specifications

This A/C evaporator core measures 10 inches in width, 11.69 inches in height, and 1.75 inches in depth, with core dimensions of 254 mm width, 297 mm height, and 45 mm depth. The block fitting inlet and outlet types ensure secure and leak-free connections within the HVAC system. The parallel core type supports efficient refrigerant flow and heat absorption, essential for maintaining cabin comfort in Kia Cadenza and Optima models.

Common Applications and Problem Resolution

  • Restores proper air conditioning cooling performance
  • Replaces leaking or clogged evaporator cores
  • Eliminates unpleasant odors caused by mold or debris buildup
  • Resolves inconsistent cabin temperature issues
  • Prevents refrigerant leaks affecting system efficiency

Installation Notes and Tips

Installation of the Four Seasons Evaporator Core 64091 requires disassembly of the vehicle’s HVAC housing. Ensure all refrigerant is properly evacuated before removal. Verify block fitting connections are secure and free of damage during installation. It is recommended to replace the receiver/drier or accumulator and perform a system vacuum test to check for leaks after installation.

Quality Assurance and Warranty

Four Seasons parts are manufactured to meet or exceed OEM standards, using corrosion-resistant aluminum for durability. The Evaporator Core 64091 undergoes rigorous quality control to ensure reliable performance in Kia Cadenza and Optima vehicles. Warranty coverage details should be confirmed with the supplier or manufacturer.

BrandFour Seasons
Part Number64091
PositionEvaporator Core
Core Depth Fraction1-3/4
Core Depth MM45
Core Height Fraction11-11/16
Core Height MM297
Core Width Fraction10
Core Width MM254.000
Depth1.750
DescriptionEvaporator Cores
Height11.69
Inlet Fitting TypeBlock Fitting
MaterialAluminum
Outlet Fitting TypeBlock Fitting
TypeParallel
Width10.000

This part fits 26 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2020KiaOptima2.0LL4N/AEvaporator Core
2019KiaCadenzaN/AEvaporator Core
2019KiaOptima2.0LL4N/AEvaporator Core
2018KiaCadenzaN/AEvaporator Core
2018KiaOptimaS2.4LL4N/AEvaporator Core
2018KiaOptimaSX2.0LL4N/AEvaporator Core
2018KiaOptimaLX2.4LL4N/AEvaporator Core
2018KiaOptimaEX2.4LL4N/AEvaporator Core
2018KiaOptimaHybrid Premium2.0LL4N/AEvaporator Core
2018KiaOptimaHybrid EX2.0LL4N/AEvaporator Core
2018KiaOptimaLX 1.6T1.6LL4N/AATC relay connector incompatible with HVAC blower motor resistor harness.; Evaporator Core
2018KiaOptimaPlug-In Hybrid EX2.0LL4N/AEvaporator Core
2017KiaCadenzaN/AEvaporator Core
2017KiaOptimaSX2.0LL4N/AEvaporator Core
2017KiaOptimaLX2.4LL4N/AEvaporator Core
2017KiaOptimaEX2.4LL4N/AEvaporator Core
2017KiaOptimaHybrid Premium2.0LL4N/AEvaporator Core
2017KiaOptimaHybrid EX2.0LL4N/AEvaporator Core
2017KiaOptimaSX Limited2.0LL4N/AEvaporator Core
2017KiaOptimaLX 1.6T1.6LL4N/AATC relay connector incompatible with HVAC blower motor resistor harness.; Evaporator Core
2017KiaOptimaPlug-In Hybrid EX2.0LL4N/AEvaporator Core
2016KiaOptima2.0LL4GASN/AEvaporator Core
2016KiaOptima2.4LL4GASN/AEvaporator Core
2016KiaOptima1.6LL4GASN/AEvaporator Core
2016KiaOptima2.0LL4N/AEvaporator Core
2016KiaOptima2.4LL4N/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:

2891036409177408197139D5000A34103EV9409185PFC

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