HomeBelts and Cooling > Hoses and PipesGates 23637 Radiator Coolant Hose - Upper
Part #: 23637

Gates 23637 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Upper
🚗Fitment: Hyundai and Kia, Magentis, Optima, Rondo, and Sonata
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Radiator Coolant Hose for Hyundai and Kia Vehicles

The Gates Molded Coolant Hose 23637 is engineered to provide dependable cooling system performance for select Hyundai and Kia models. Designed with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for optimal engine temperature regulation.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Molded design for precise fit and secure connections
  • Centerline length of 33.2 inches (843 mm) for accurate installation
  • End 1 and End 2 inside diameters both measure 1.35 inches (34 mm)
  • Compatible with Hyundai Magentis, Sonata and Kia Optima, Rondo models
  • Does not contain internal springs or quick connect fittings

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications, eliminating the need for bending or shaping during installation. This product line is designed to maintain consistent coolant flow and resist degradation from heat and automotive fluids, making it suitable for critical cooling system applications in Hyundai and Kia vehicles.

Product Details and Specifications

This radiator coolant hose features a molded construction that matches the original equipment dimensions, including a centerline length of 33.2 inches (843 mm) and uniform inside diameters of 1.35 inches (34 mm) on both ends. The EPDM material offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability and longevity. The hose does not include any internal springs or quick connect fittings, providing a straightforward replacement part for the cooling system.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Hyundai Magentis and Sonata
  • Addressing coolant leaks caused by hose deterioration in Kia Optima and Rondo
  • Restoring proper coolant flow to prevent engine overheating
  • Eliminating hose collapse or deformation under pressure
  • Ensuring secure coolant system connections without spring interference

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 23637, verify the hose orientation matches the original routing to maintain proper coolant flow. Ensure all clamps are securely tightened to prevent leaks. Since this hose is molded, avoid bending or twisting during installation to preserve its shape and integrity. Inspect adjacent components for wear to ensure a comprehensive cooling system service.

Quality Assurance and Warranty

Gates Molded Coolant Hose 23637 is manufactured to meet or exceed OEM specifications for Hyundai and Kia vehicles. The EPDM material and molded design contribute to reliable performance under typical operating conditions. While specific warranty details are not provided, Gates products are generally backed by quality standards consistent with automotive industry requirements.

BrandGates
Part Number23637
PositionMolded Coolant Hose, Upper
MaterialEpdm
End 1 Inside Diameter1.35
End 1 Inside Diameter34
End 2 Inside Diameter1.35
End 2 Inside Diameter34
Contains SpringNo
Centerline Length33.2
Centerline Length843
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2012KiaRondo2.4LL4GASUpperMolded Coolant Hose
2011KiaRondo2.4LL4GASUpperMolded Coolant Hose
2010HyundaiSonata2.4LL4GASUpperMolded Coolant Hose
2010KiaMagentis2.4LL4GASUpperMolded Coolant Hose
2010KiaOptima2.4LL4GASUpperMolded Coolant Hose
2010KiaRondo2.4LL4GASUpperMolded Coolant Hose
2009HyundaiSonata2.4LL4GASUpperMolded Coolant Hose
2009KiaMagentis2.4LL4GASUpperMolded Coolant Hose
2009KiaOptima2.4LL4GASUpperMolded Coolant Hose
2009KiaRondo2.4LL4GASUpperMolded 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:

1633623637254112G300254141D400254143K50027006X66258

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