HomeBelts and Cooling > Hoses and PipesGates 51530 Radiator Coolant Hose - Upper
Part #: 51530

Gates 51530 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Upper
🚗Fitment: Toyota, Sienna
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates Molded Coolant Hose 51530

The Gates Molded Coolant Hose 51530 is designed specifically for Toyota Sienna vehicles, providing reliable radiator coolant flow. Constructed from durable EPDM material, this molded radiator coolant hose ensures consistent performance and longevity under typical engine operating conditions.

  • Made from high-quality EPDM material for heat and chemical resistance
  • Molded design for precise fit and secure connection
  • Centerline length of 19.13 inches (486 mm) for accurate replacement
  • Inside diameter of 1.31 inches (33 mm) on both ends for consistent coolant flow
  • Compatible with Toyota Sienna models requiring part number 51530

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 is engineered to maintain proper coolant flow and resist common issues such as cracking or collapsing, which can occur with flexible hoses. The 51530 hose benefits from this molded design, ensuring a precise fit for the Toyota Sienna cooling system.

Technical Description and Specifications

This radiator coolant hose features a molded construction with no springs or quick connect fittings, simplifying the installation process. Both ends have an inside diameter of 1.31 inches (33 mm), matching OEM dimensions for seamless integration. The hose length measures 19.13 inches (486 mm) centerline, providing an exact replacement for the original part. The EPDM material offers resistance to heat, ozone, and coolant chemicals, supporting durability and consistent performance in the engine bay.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses on Toyota Sienna
  • Resolving coolant leaks caused by hose deterioration
  • Preventing overheating due to restricted coolant flow
  • Eliminating hose collapse or deformation under pressure
  • Maintaining proper engine temperature regulation

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, especially the inside diameter and length. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can 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 51530 is manufactured to meet or exceed OEM standards for fit and function. The EPDM material and molded design contribute to long service life under normal operating conditions. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliability in automotive cooling applications.

BrandGates
Part Number51530
PositionMolded Coolant Hose, Upper
MaterialEpdm
End 1 Inside Diameter1.31
End 1 Inside Diameter33
End 2 Inside Diameter1.31
End 2 Inside Diameter33
Contains SpringNo
Centerline Length19.13
Centerline Length486
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2020ToyotaSienna3.5LV6GASUpperMolded Coolant Hose
2019ToyotaSienna3.5LV6GASUpperMolded Coolant Hose
2018ToyotaSienna3.5LV6GASUpperMolded Coolant Hose
2017ToyotaSienna3.5LV6GASUpperMolded 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:

165710P40024849L51530

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