HomeBelts and Cooling > Hoses and PipesGates 23339 Radiator Coolant Hose - Upper
Part #: 23339

Gates 23339 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
35 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Molded Coolant Hose, Upper
Fitment: Nissan and INFINITI, 370Z, QX50, Q40, Q60, EX37, G37, EX35, G25, and G35
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Overview of Gates Molded Coolant Hose 23339

The Gates Molded Coolant Hose 23339 is designed for reliable cooling system performance in select Infiniti and Nissan vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Infiniti Q60 and Nissan 370Z.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Molded design for precise fit and secure installation
  • Centerline length of 14.6 inches (371 mm) for accurate routing
  • Inside diameter of 1.32 inches (34 mm) on both ends
  • Compatible with multiple Infiniti and Nissan models including 370Z, EX35, G37, and QX50

Details on the 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 enhances fitment accuracy and reduces installation time, making it suitable for complex cooling system layouts found in vehicles like the Nissan G25 and Infiniti EX37. The molded construction also helps maintain hose integrity under thermal cycling and pressure variations.

Technical Description of Part Number 23339

Part number 23339 is a radiator coolant hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.32 inches (34 mm), ensuring compatibility with standard radiator fittings. The hose measures 14.6 inches (371 mm) in centerline length, providing the correct routing length for the specified vehicle models. This hose does not contain any internal springs or quick connect fittings, reflecting a straightforward design optimized for durability and ease of maintenance.

Applications and Common Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Infiniti Q40 and Nissan EX35
  • Resolving coolant leaks caused by hose degradation or swelling
  • Preventing overheating issues due to compromised coolant flow
  • Maintaining proper coolant system pressure and circulation
  • Ensuring secure hose connections without the need for additional fittings

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 23339, ensure the engine is cool to avoid burns from hot coolant. Verify that the hose routing matches the original path to prevent kinks or interference with other engine components. Use appropriate clamps to secure both ends of the hose firmly. Inspect adjacent hoses and clamps for wear during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 23339 to meet or exceed OEM specifications for durability and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to long service life. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandGates
Part Number23339
PositionMolded Coolant Hose, Upper
0
Yes
Branch Quantity0
Centerline Length14.6
Centerline Length371
Contains SpringNo
End 1 Inside Diameter1.32
End 1 Inside Diameter34
End 2 Inside Diameter1.32
End 2 Inside Diameter34
MaterialEPDM
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 35 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2020Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2019Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2018Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2017INFINITIQX503.7LV6GASUpperMolded Coolant Hose
2017Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2016INFINITIQX503.7LV6GASUpperMolded Coolant Hose
2016Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2015INFINITIQ403.7LV6GASUpperMolded Coolant Hose
2015INFINITIQ603.7LV6GASUpperMolded Coolant Hose
2015INFINITIQX503.7LV6GASUpperMolded Coolant Hose
2015Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2014INFINITIQ603.7LV6GASUpperMolded Coolant Hose
2014INFINITIQX503.7LV6GASUpperMolded Coolant Hose
2014Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2013INFINITIEX373.7LV6GASUpperMolded Coolant Hose
2013INFINITIG373.7LV6GASUpperMolded Coolant Hose
2013Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2012INFINITIEX353.5LV6GASUpperMolded Coolant Hose
2012INFINITIG252.5LV6GASUpperMolded Coolant Hose
2012INFINITIG373.7LV6GASUpperMolded Coolant Hose
2012Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2011INFINITIEX353.5LV6GASUpperMolded Coolant Hose
2011INFINITIG252.5LV6GASUpperMolded Coolant Hose
2011INFINITIG373.7LV6GASUpperMolded Coolant Hose
2011Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2010INFINITIEX353.5LV6GASUpperMolded Coolant Hose
2010INFINITIG373.7LV6GASUpperMolded Coolant Hose
2010Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2009INFINITIEX353.5LV6GASUpperMolded Coolant Hose
2009INFINITIG373.7LV6GASUpperMolded Coolant Hose
2009Nissan370Z3.7LV6GASUpperMolded Coolant Hose
2008INFINITIEX353.5LV6GASUpperMolded Coolant Hose
2008INFINITIG353.5LV6GASUpperMolded Coolant Hose
2008INFINITIG373.7LV6GASUpperMolded Coolant Hose
2007INFINITIG353.5LV6GASUpperMolded 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:

16077215011NA0A21501JK20022604M233396630772513D72513

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