HomeBelts and Cooling > Hoses and PipesGates 23303 Radiator Coolant Hose - Lower
Part #: 23303

Gates 23303 Radiator Coolant Hose - Lower

Molded Coolant Hose, Lower
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Lower
🚗Fitment: Honda, Civic
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Radiator Coolant Hose for Honda Civic

The Gates Molded Coolant Hose 23303 is designed specifically for Honda Civic models, providing a durable and precise fit for your vehicle's cooling system. Made from high-quality EPDM material, this radiator coolant hose ensures long-lasting performance and resistance to heat and chemicals.

Key Features of Gates Molded Coolant Hose 23303

  • Constructed from EPDM for enhanced durability and heat resistance
  • Molded design for exact fit and reliable sealing
  • Centerline length of 26.1 inches (663 mm) for proper routing
  • Consistent inside diameter of 1.22 inches (31 mm) on both ends
  • Does not contain a spring, ensuring flexibility without added rigidity
  • Compatible with Honda Civic cooling systems requiring this specific hose size

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-molded hoses engineered to meet exact OEM specifications. This product line emphasizes consistent dimensions and material quality to maintain optimal coolant flow and system integrity. The molded construction of part number 23303 ensures a secure fit and reduces the risk of leaks or premature wear in Honda Civic vehicles.

Detailed Product Description

This radiator coolant hose features a molded design that matches the original equipment specifications for Honda Civic models. The EPDM material offers excellent resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in the engine bay. Both ends of the hose have an inside diameter of 1.22 inches (31 mm), ensuring compatibility with the vehicle's cooling system connections. With a centerline length of 26.1 inches (663 mm), the hose is designed to fit precisely without the need for modifications. The absence of springs or quick connect fittings simplifies installation and reduces potential failure points.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Honda Civic vehicles
  • Resolving coolant leaks caused by hose degradation or damage
  • Maintaining proper coolant flow to prevent engine overheating
  • Restoring OEM fit and function in the vehicle's cooling system
  • Preventing coolant contamination and system pressure loss

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the hose dimensions match the original part, specifically the 1.22-inch inside diameter and 26.1-inch centerline length. Use appropriate clamps to secure the hose ends firmly without over-tightening, which could damage the hose. Inspect surrounding components for wear or damage during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Gates Molded Coolant Hose 23303 is manufactured to meet strict quality standards, ensuring reliable performance in Honda Civic vehicles. The EPDM material and molded construction contribute to the hose's durability and resistance to common cooling system stresses. While specific warranty details are not provided, Gates products typically adhere to industry standards for automotive replacement parts.

BrandGates
Part Number23303
PositionMolded Coolant Hose, Lower
MaterialEpdm
End 1 Inside Diameter1.22
End 1 Inside Diameter31
End 2 Inside Diameter1.22
End 2 Inside Diameter31
Contains SpringNo
Centerline Length26.1
Centerline Length663
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011HondaCivic2.0LL4GASLowerMolded Coolant Hose
2010HondaCivic2.0LL4GASLowerMolded Coolant Hose
2009HondaCivic2.0LL4GASLowerMolded Coolant Hose
2008HondaCivic2.0LL4GASLowerMolded Coolant Hose
2007HondaCivic2.0LL4GASLowerMolded Coolant Hose
2006HondaCivic2.0LL4GASLowerMolded 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:

1604019504RRAA012330324613L6602872584CH4307E72584

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