HomeBelts and Cooling > Cooling Fan, Clutch and MotorFour Seasons 76403 Engine Cooling Fan Assembly
Part #: 76403

Four Seasons 76403 Engine Cooling Fan Assembly

Radiator Fan Assy.
⚙️ 36 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Radiator Fan Assy.
🚗Fitment: Kia, Optima
🔄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 Radiator Fan Assy. 76403

The Four Seasons Radiator Fan Assy. 76403 is designed specifically for Kia Optima models, providing reliable engine cooling performance. This engine cooling fan assembly features a durable plastic and metal construction with an OE mount design for straightforward installation.

  • Material: Plastic and metal for durability
  • Voltage: 12V electrical motor assembly
  • Includes plastic shroud for optimized airflow
  • OE mount type for direct replacement
  • Fan clutch not mounted within assembly
  • Dimensions: 19.52 inches height, 20 inches width
  • Connector: 3-terminal female connector, 1 connector included
  • Rigid blade type for consistent cooling

Detailed Product Description

This Four Seasons Radiator Fan Assy. 76403 is an electrical motor assembly designed to maintain proper engine temperature by efficiently drawing air through the radiator. The assembly includes a plastic shroud that helps direct airflow, improving cooling efficiency. It features a rigid blade fan that is built to withstand the demands of engine cooling. The fan clutch is not included within this assembly, allowing compatibility with existing clutch components. The black housing finish and OE mount ensure a seamless fit and appearance in the Kia Optima's engine bay.

The 12-volt electrical motor is engineered for consistent performance, and the 3-terminal female connector simplifies wiring connections. With dimensions of approximately 19.52 inches in height and 20 inches in width, this assembly matches the original equipment specifications for proper fitment and function.

About the Radiator Fan Assy. Product Line

The Four Seasons Radiator Fan Assy. product line focuses on providing complete cooling fan assemblies that meet or exceed original equipment standards. These assemblies are designed to offer reliable engine cooling solutions with OE mounting compatibility and performance-rated components. The 76403 model is part of this line, delivering a balance of durability and fitment precision for Kia Optima vehicles.

Common Applications and Issues Addressed

  • Replacement of faulty or worn radiator fan assemblies in Kia Optima
  • Resolving engine overheating due to insufficient radiator airflow
  • Fixing electrical fan motor failures causing cooling system inefficiency
  • Addressing damaged or broken fan blades affecting cooling performance
  • Upgrading to a performance-rated fan assembly for consistent engine temperature control

Installation Notes and Tips

This radiator fan assembly is designed for OE mount installation on the Kia Optima. Mounting hardware is not included, so retain original fasteners or acquire appropriate replacements. Ensure electrical connectors match the 3-terminal female connector type for proper connection. Verify that the fan clutch is compatible and properly mounted separately, as it is not included in this assembly. Careful alignment of the shroud and fan blades will help maintain optimal airflow and prevent interference with other engine components.

Quality Assurance and Warranty

The Four Seasons Radiator Fan Assy. 76403 is performance rated and built to meet original equipment specifications. It undergoes quality control testing to ensure reliable operation and fitment. This part is an OE replacement designed to maintain the cooling system integrity of your Kia Optima. Warranty coverage details should be confirmed with the product documentation or manufacturer.

BrandFour Seasons
Part Number76403
PositionRadiator Fan Assy.
Blade TypeRigid
Connector Qty1
Connector Type3 Terminal Connector
DescriptionCooling Fan Assemblies
Electrical Or MechanicalElectrical
Fan Clutch MountedFan clutch not mounted within the assembly.
Fan Quantity1
Height IN19.52
Housing FinishBlack
Hub Bolt Hole QuantityOE Mount
MaterialPlastic / Metal
Mount LocationRadiator Fan
Mount TypeOE mount
Mounting Hardware?Not Included
O.E. Replacement?Yes
Performance Rated?Yes
Shroud IncludedIncluded
Shroud MaterialPlastic
StyleRadiator Fan
Terminal GenderFemale
Terminal Quantity3
TypeMotor Assembly
Voltage12
Width IN20.000

This part fits 36 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2020KiaOptima2.0LL4N/ARadiator Fan Assy.
2020KiaOptima1.6LL4N/ARadiator Fan Assy.
2019KiaOptima2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2019KiaOptima2.4LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2019KiaOptima1.6LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaS2.4LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaSX2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaLX2.4LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaEX2.4LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaHybrid Premium2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaSXL2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaHybrid EX2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaHybrid LX2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaSX Turbo2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaHybrid EX Premium2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaLX 1.6T1.6LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaEX Pack2.4LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaPlug-In Hybrid EX2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaPlug-In Hybrid EX Premium2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaSXL Turbo2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2018KiaOptimaEX Tech2.4LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaSX2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaLX2.4LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaEX2.4LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaHybrid Premium2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaSXL2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaHybrid EX2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaHybrid LX2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaHybrid EX Premium2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaSX Limited2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaLX 1.6T1.6LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaEX Pack2.4LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2017KiaOptimaPlug-In Hybrid EX2.0LL4N/AEngine Cooling Fan Assembly RF Assy; Radiator Fan Assy.
2016KiaOptima2.0LL4GASN/ARadiator Fan Assy.
2016KiaOptima1.6LL4GASN/ARadiator Fan Assy.
2016KiaOptima2.0LL4N/ARadiator Fan Assy.

* 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:

25380D528076403A11539

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