OE Quality
60-Day Returns

Gates 23339 Radiator Coolant Hose - Upper
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.
| Brand | Gates |
|---|---|
| Part Number | 23339 |
| Position | Molded Coolant Hose, Upper |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 14.6 |
| Centerline Length | 371 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.32 |
| End 1 Inside Diameter | 34 |
| End 2 Inside Diameter | 1.32 |
| End 2 Inside Diameter | 34 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2019 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2018 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2017 | INFINITI | QX50 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2017 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2016 | INFINITI | QX50 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2016 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2015 | INFINITI | Q40 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2015 | INFINITI | Q60 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2015 | INFINITI | QX50 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2015 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2014 | INFINITI | Q60 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2014 | INFINITI | QX50 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2014 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2013 | INFINITI | EX37 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2013 | INFINITI | G37 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2013 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2012 | INFINITI | EX35 | 3.5L | V6 | GAS | Upper | Molded Coolant Hose |
| 2012 | INFINITI | G25 | 2.5L | V6 | GAS | Upper | Molded Coolant Hose |
| 2012 | INFINITI | G37 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2012 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2011 | INFINITI | EX35 | 3.5L | V6 | GAS | Upper | Molded Coolant Hose |
| 2011 | INFINITI | G25 | 2.5L | V6 | GAS | Upper | Molded Coolant Hose |
| 2011 | INFINITI | G37 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2011 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2010 | INFINITI | EX35 | 3.5L | V6 | GAS | Upper | Molded Coolant Hose |
| 2010 | INFINITI | G37 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2010 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2009 | INFINITI | EX35 | 3.5L | V6 | GAS | Upper | Molded Coolant Hose |
| 2009 | INFINITI | G37 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2009 | Nissan | 370Z | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2008 | INFINITI | EX35 | 3.5L | V6 | GAS | Upper | Molded Coolant Hose |
| 2008 | INFINITI | G35 | 3.5L | V6 | GAS | Upper | Molded Coolant Hose |
| 2008 | INFINITI | G37 | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2007 | INFINITI | G35 | 3.5L | V6 | GAS | Upper | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.