HomeBelts and Cooling > Hoses and PipesGates 51527 Radiator Coolant Hose - Upper
Part #: 51527

Gates 51527 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
⚙️ 17 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Upper
🚗Fitment: INFINITI and Nissan, Q50, Q60, and Z
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates Molded Coolant Hose 51527

The Gates Molded Coolant Hose 51527 is designed for reliable cooling system performance in select Nissan and INFINITI vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for models like the Nissan Q50, Q60, and INFINITI Z.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Centerline length of 249 mm (9.8 inches) for precise fitment
  • Uniform inside diameter of 1.36 inches (35 mm) on both ends
  • Designed without internal springs to maintain smooth coolant flow
  • Compatible with Nissan Q50, Q60, and INFINITI Z models

Detailed Product Description

This radiator coolant hose from Gates, part number 51527, is part of the Molded Coolant Hose product line, which focuses on precision-molded hoses tailored for specific vehicle applications. The EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, making it suitable for the demanding environment of automotive cooling systems. With a centerline length of 249 mm and consistent inside diameters of 1.36 inches at both ends, this hose provides a secure and leak-resistant connection between radiator components.

Compatible Vehicles and Applications

The Gates Molded Coolant Hose 51527 is compatible with the following vehicles:

  • Nissan Q50
  • Nissan Q60
  • INFINITI Z

This hose is designed to replace original equipment radiator coolant hoses that match these specifications, ensuring proper coolant flow and system integrity.

Common Issues Addressed by This Radiator Coolant Hose

  • Cracked or brittle radiator hoses causing coolant leaks
  • Swollen or collapsed hoses restricting coolant flow
  • Hose deterioration due to heat and chemical exposure
  • Improper hose fit leading to coolant system pressure loss
  • Replacement of worn or damaged OEM radiator hoses

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51527, ensure the hose is properly seated on radiator and engine fittings to prevent leaks. Verify that the inside diameter matches the vehicle’s specifications (1.36 inches) and that the centerline length of 249 mm fits the routing path without kinks. Avoid twisting the hose during installation to maintain coolant flow efficiency.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose line to meet or exceed OEM standards for durability and performance. The EPDM material and precise molding process contribute to long service life under normal operating conditions. While specific warranty details are not provided here, Gates typically offers coverage against manufacturing defects. Refer to official Gates documentation for warranty terms.

BrandGates
Part Number51527
PositionMolded Coolant Hose, Upper
MaterialEpdm
End 1 Inside Diameter1.36
End 1 Inside Diameter35
End 2 Inside Diameter1.36
End 2 Inside Diameter35
Contains SpringNo
Centerline Length249
Centerline Length9.8
Branch Quantity0
9839Yes
98450
9940No

This part fits 17 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2024INFINITIQ503.0LV6GASUpperMolded Coolant Hose
2024NissanZ3.0LV6GASUpperMolded Coolant Hose
2023INFINITIQ503.0LV6GASUpperMolded Coolant Hose
2023NissanZ3.0LV6GASUpperMolded Coolant Hose
2022INFINITIQ503.0LV6GASUpperMolded Coolant Hose
2022INFINITIQ603.0LV6GASUpperMolded Coolant Hose
2021INFINITIQ503.0LV6GASUpperMolded Coolant Hose
2021INFINITIQ603.0LV6GASUpperMolded Coolant Hose
2020INFINITIQ503.0LV6GASUpperMolded Coolant Hose
2020INFINITIQ603.0LV6GASUpperMolded Coolant Hose
2019INFINITIQ503.0LV6GASUpperMolded Coolant Hose
2019INFINITIQ603.0LV6GASUpperMolded Coolant Hose
2018INFINITIQ503.0LV6GASUpperMolded Coolant Hose
2018INFINITIQ603.0LV6GASUpperMolded Coolant Hose
2017INFINITIQ503.0LV6GASUpperMolded Coolant Hose
2017INFINITIQ603.0LV6GASUpperMolded Coolant Hose
2016INFINITIQ503.0LV6GASUpperMolded 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:

215015CA1A51527F11529

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