HomeBelts and Cooling > Hoses and PipesGates 51731 Radiator Coolant Hose - Upper
Part #: 51731

Gates 51731 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
⚙️ 14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Upper
🚗Fitment: Volkswagen, CC, Passat, and Passat CC
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Radiator Coolant Hose for Volkswagen Vehicles

The Gates Molded Coolant Hose 51731 is engineered to provide dependable cooling system performance for Volkswagen CC, Passat, and Passat CC models. Designed with durable materials and precise dimensions, this radiator coolant hose ensures proper coolant flow and system integrity.

  • Constructed from EPDM, plastic, and steel for durability and heat resistance
  • Molded design with 2 branches and 2 female quick connectors for secure fitment
  • Centerline length of 686 mm (27 inches) for accurate installation
  • End diameters of 1.25 inches (32 mm) on both ends for consistent coolant flow
  • Modular hose design compatible with Volkswagen CC, Passat, and Passat CC

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses that integrate molded shapes and quick connectors to simplify installation and improve coolant system reliability. This product line is designed to meet specific vehicle requirements, reducing the risk of leaks and ensuring a proper fit for Volkswagen cooling systems.

Detailed Product Description

The Gates Molded Coolant Hose part number 51731 features a molded construction combining EPDM rubber, plastic, and steel components to withstand high temperatures and pressure within the cooling system. It includes two branches and two female quick connectors, allowing for a modular setup that fits the complex routing in Volkswagen CC, Passat, and Passat CC models. The hose has consistent inside diameters of 1.25 inches (32 mm) on both primary ends, with additional smaller diameter branches (.6 and .3 inches) to accommodate coolant flow requirements. The centerline length of 686 mm (27 inches) ensures compatibility with factory specifications.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Volkswagen CC, Passat, and Passat CC
  • Resolving coolant leaks caused by deteriorated or damaged hoses
  • Maintaining proper coolant circulation to prevent engine overheating
  • Upgrading to a molded hose with quick connectors for easier maintenance
  • Ensuring OEM-level fit and function in cooling system repairs

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51731, ensure all connections are clean and free of debris. The molded design with quick connectors allows for straightforward attachment without additional clamps in some cases, but verify secure fitment to prevent leaks. Check hose routing against factory diagrams to avoid kinks or interference with other engine components. It is recommended to inspect related cooling system parts during installation for comprehensive maintenance.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 51731 to meet strict quality standards using durable EPDM, plastic, and steel materials. This hose is designed to provide reliable service life under normal operating conditions. While specific warranty details are not provided, Gates products typically adhere to industry standards for automotive replacement parts, ensuring consistent performance and durability.

BrandGates
Part Number51731
PositionMolded Coolant Hose, Upper
MaterialEpdm, plastic, steel
End 1 Inside Diameter1.25
End 1 Inside Diameter32
End 2 Inside Diameter1.25
End 2 Inside Diameter32
Contains SpringNo
Centerline Length15
Centerline Length27
Centerline Length686
End 3 Inside Diameter.6
End 4 Inside Diameter.3
End 4 Inside Diameter8
Branch Quantity2
9839Yes
98452
Modular Components2 branches, 2 female quick connectors
Modular HoseYes
MoldedYes
Number of Quick Connect Fittings2

This part fits 14 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2016VolkswagenCCAutomatic2.0LL4GASUpperMolded Coolant Hose
2015VolkswagenCCAutomatic2.0LL4GASUpperMolded Coolant Hose
2014VolkswagenCCAutomatic2.0LL4GASUpperMolded Coolant Hose
2013VolkswagenCCAutomatic2.0LL4GASUpperMolded Coolant Hose
2012VolkswagenCCAutomatic2.0LL4GASUpperMolded Coolant Hose
2012VolkswagenPassat CCAutomatic2.0LL4GASUpperMolded Coolant Hose
2011VolkswagenCCAutomatic2.0LL4GASUpperMolded Coolant Hose
2011VolkswagenPassat CCAutomatic2.0LL4GASUpperMolded Coolant Hose
2010VolkswagenCCAutomatic2.0LL4GASUpperMolded Coolant Hose
2010VolkswagenPassat CCAutomatic2.0LL4GASUpperMolded Coolant Hose
2009VolkswagenCCAutomatic2.0LL4GASUpperMolded Coolant Hose
2009VolkswagenPassatAutomatic2.0LL4GASUpperMolded Coolant Hose
2009VolkswagenPassat CCAutomatic2.0LL4GASUpperMolded Coolant Hose
2008VolkswagenPassatAutomatic2.0LL4GASUpperMolded 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:

27465X3C0122101EC3C0122101EP3C0122101FR3C0122101GJ51731CHR0642

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