HomeBelts and Cooling > Hoses and PipesGates 21870 Radiator Coolant Hose - Upper
Part #: 21870

Gates 21870 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
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OE Direct Replacement — Bolt-on fit, no modifications needed
Molded Coolant Hose, Upper
Fitment: Nissan, Stanza
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Overview of Gates Molded Coolant Hose 21870

The Gates Molded Coolant Hose 21870 is engineered for reliable radiator coolant transfer in various vehicle applications. Constructed from durable EPDM material, this molded hose ensures consistent performance and resistance to heat and chemicals.

  • Made from high-quality EPDM for heat and chemical resistance
  • Molded design for precise fit and durability
  • Inside diameter of 1.34 inches (34 mm) on both ends
  • Centerline length of 28.6 inches (726 mm) for accurate routing
  • Contains no springs or quick connect fittings

Detailed Product Description

The Gates Molded Coolant Hose 21870 is designed to maintain optimal coolant flow within the radiator system. Its EPDM construction provides excellent resistance to ozone, heat, and coolant chemicals, making it suitable for extended use in demanding engine environments. The molded design ensures a precise fit, reducing the risk of leaks and improving system reliability. Both ends feature an inside diameter of 1.34 inches (34 mm), matching standard radiator hose connections. With a centerline length of 28.6 inches (726 mm), this hose is engineered for specific vehicle routing requirements without the need for modifications.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering pre-formed hoses that fit exact vehicle specifications. This approach minimizes installation time and potential fitment issues compared to universal hoses. The molded design of the 21870 part number ensures consistent shape retention and compatibility with designated radiator systems, supporting efficient coolant circulation and engine temperature regulation.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses
  • Prevention of coolant leaks due to hose degradation
  • Restoration of proper coolant flow to avoid engine overheating
  • Elimination of hose collapse or kinking in tight engine compartments
  • Upgrade to a molded hose for improved fit and durability

Installation Notes and Tips

  • Verify hose dimensions and part number 21870 against vehicle specifications before installation
  • Ensure all clamps and connections are secure to prevent leaks
  • Inspect surrounding components for wear or damage during replacement
  • Flush the cooling system if necessary to remove debris before installing the new hose
  • Use proper tools to avoid damaging the molded hose during installation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21870 is manufactured to meet industry standards for durability and performance. The EPDM material and molded construction undergo rigorous quality control to ensure long service life. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects, supporting confidence in the product's reliability.

BrandGates
Part Number21870
PositionMolded Coolant Hose, Upper
0
Yes
Branch Quantity0
Centerline Length28.6
Centerline Length726
Contains SpringNo
End 1 Inside Diameter1.34
End 1 Inside Diameter34
End 2 Inside Diameter1.34
End 2 Inside Diameter34
MaterialEPDM
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

14-2625-02150165E0021501G5E002187026196X6163171488716128560C71612E71488KM-2346

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