HomeBelts and Cooling > Hoses and PipesGates 23859 Radiator Coolant Hose - Upper
Part #: 23859

Gates 23859 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Molded Coolant Hose, Upper
Fitment: Acura and Honda, ILX and Civic
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Molded Coolant Hose 23859

The Gates Molded Coolant Hose 23859 is designed specifically for Acura and Honda vehicles, including the Civic and ILX models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

  • Made from high-quality EPDM material for heat and chemical resistance
  • Molded design for precise fit and durability
  • Centerline length of 11.9 inches (302 mm) for accurate installation
  • Consistent inside diameter of 1.18 inches (30 mm) on both ends
  • Compatible with Acura Civic and Honda ILX models

Detailed Product Description

The Gates Molded Coolant Hose 23859 is engineered to meet the exact specifications required for the cooling systems of Acura Civic and Honda ILX vehicles. Its molded construction eliminates the need for multiple hose segments, reducing potential leak points and improving overall system integrity. The EPDM material offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain hose flexibility and longevity under demanding engine conditions. Both ends of the hose feature a consistent inside diameter of 1.18 inches (30 mm), ensuring a secure connection to the radiator and engine fittings. With a centerline length of 11.9 inches (302 mm), this hose fits precisely within the designated routing path.

About the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering pre-formed hoses that match OEM specifications for various vehicle makes and models. These hoses are designed to simplify installation and improve reliability by providing a molded shape that fits the cooling system layout without the need for additional bending or shaping. The 23859 part number is part of this line, offering a direct replacement solution for Acura and Honda vehicles requiring a molded radiator coolant hose.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses
  • Prevention of coolant leaks due to hose degradation
  • Restoration of proper coolant flow in Acura Civic and Honda ILX cooling systems
  • Elimination of hose collapse or swelling under pressure
  • Ensuring secure connections with consistent hose diameters

Installation Notes and Tips

  • Verify compatibility with your specific Acura Civic or Honda ILX model year before installation
  • Ensure all clamps and fittings are clean and free of debris for a secure seal
  • Replace any worn or damaged clamps during installation to prevent leaks
  • Inspect the cooling system for other potential issues while replacing the hose
  • Follow vehicle manufacturer torque specifications for hose clamps

Quality Assurance and Warranty

Gates Molded Coolant Hose 23859 is manufactured to meet strict quality standards, ensuring durability and performance in demanding automotive environments. The EPDM material and molded design contribute to long service life. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects. Consult product documentation or your supplier for exact warranty terms.

BrandGates
Part Number23859
PositionMolded Coolant Hose, Upper
0
Yes
Branch Quantity0
Centerline Length11.9
Centerline Length302
Contains SpringNo
End 1 Inside Diameter1.18
End 1 Inside Diameter30
End 2 Inside Diameter1.18
End 2 Inside Diameter30
MaterialEPDM
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015AcuraILX2.0LL4GASUpperMolded Coolant Hose
2015HondaCivic1.8LL4CNGUpperMolded Coolant Hose
2015HondaCivic1.8LL4GASUpperMolded Coolant Hose
2014AcuraILX2.0LL4GASUpperMolded Coolant Hose
2014HondaCivic1.8LL4CNGUpperMolded Coolant Hose
2014HondaCivic1.8LL4GASUpperMolded Coolant Hose
2013AcuraILX2.0LL4GASUpperMolded Coolant Hose
2013HondaCivic1.8LL4CNGUpperMolded Coolant Hose
2013HondaCivic1.8LL4GASUpperMolded Coolant Hose
2012HondaCivic1.8LL4CNGUpperMolded Coolant Hose
2012HondaCivic1.8LL4GASUpperMolded 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:

1653319501R1AA0019501R1AA0120571S23859

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