HomeBelts and Cooling > Hoses and PipesGates 23900 Radiator Coolant Hose - Lower
Part #: 23900

Gates 23900 Radiator Coolant Hose - Lower

Molded Coolant Hose, Lower
⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Lower
🚗Fitment: Hyundai and Kia, Optima and Sonata
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Reliable Radiator Coolant Hose for Hyundai and Kia Vehicles

The Gates Molded Coolant Hose 23900 is designed to provide a durable and precise fit for Hyundai Optima and Kia Sonata models. Constructed from EPDM and plastic materials, this radiator coolant hose ensures consistent performance under varying engine temperatures.

  • Material: EPDM and plastic for heat and chemical resistance
  • Centerline length: 29.3 inches (744 mm) for exact fitment
  • End 1 and End 2 inside diameter: 1.35 inches (34 mm) for secure connections
  • Molded design for enhanced durability and leak prevention
  • Contains no spring or quick connect fittings, ensuring a straightforward installation

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses that are molded to exact specifications. This approach improves hose reliability and fitment accuracy, reducing the risk of leaks and premature wear. The 23900 part number is part of this line, offering a molded radiator coolant hose tailored for specific Hyundai and Kia models.

Detailed Product Description

This radiator coolant hose features a molded construction using EPDM and plastic materials, which are known for their resistance to heat, ozone, and automotive fluids. The hose measures 29.3 inches (744 mm) in centerline length, with both ends having an inside diameter of 1.35 inches (34 mm), ensuring compatibility with the cooling system components of Hyundai Optima and Kia Sonata vehicles. The absence of springs and quick connect fittings simplifies the hose design, focusing on durability and a secure fit.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Hyundai Optima and Kia Sonata
  • Addressing coolant leaks caused by hose degradation
  • Preventing overheating issues related to compromised coolant flow
  • Restoring proper coolant circulation in the vehicle's cooling system
  • Ensuring a reliable seal between radiator and engine connections

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 23900, ensure the engine is cool to avoid burns. Verify that the hose dimensions match the original equipment specifications, particularly the 1.35-inch (34 mm) inside diameters and 29.3-inch (744 mm) length. Use appropriate clamps to secure the hose ends firmly, and inspect the cooling system for any additional wear or damage during replacement.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive hoses, and the Molded Coolant Hose 23900 is produced to meet OEM standards for fit and function. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support reliable performance in Hyundai Optima and Kia Sonata vehicles.

BrandGates
Part Number23900
PositionMolded Coolant Hose, Lower
MaterialEpdm, plastic
End 1 Inside Diameter1.35
End 1 Inside Diameter34
End 2 Inside Diameter1.35
End 2 Inside Diameter34
Contains SpringNo
Centerline Length29.3
Centerline Length744
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011HyundaiSonata2.4LL4ELECTRIC/GASLowerFeb. 18, 2011 & Older; Molded Coolant Hose
2011KiaOptima2.4LL4ELECTRIC/GASLowerFeb. 18, 2011 & Older; Molded Coolant Hose

* 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:

1656923900254154R00027086X

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