HomeBelts and Cooling > Hoses and PipesGates 21759 Radiator Coolant Hose - Upper
Part #: 21759

Gates 21759 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
14 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Molded Coolant Hose, Upper
Fitment: Cadillac, DeVille, Eldorado, and Seville
Easy Returns — Return within 60 days for a full refund
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Overview of Gates Molded Coolant Hose 21759

The Gates Molded Coolant Hose 21759 is designed specifically for Cadillac DeVille, Eldorado, and Seville models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

  • Made from high-quality EPDM for heat and chemical resistance
  • Molded design for precise fit and durability
  • Centerline length of 30.9 inches (785 mm) for accurate installation
  • Consistent inside diameter of 1.25 inches (32 mm) on both ends
  • Does not contain a spring or quick connect fittings

Detailed Product Description

The Gates Molded Coolant Hose 21759 is engineered to meet the specific cooling requirements of Cadillac DeVille, Eldorado, and Seville vehicles. Its molded construction provides a secure and leak-resistant connection within the cooling system. The hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, which helps maintain integrity under demanding engine conditions. Both ends of the hose have an inside diameter of 1.25 inches (32 mm), ensuring compatibility with standard radiator fittings. With a centerline length of 30.9 inches (785 mm), this hose fits precisely without the need for modifications.

About the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications for specific vehicle applications. This reduces installation time and improves reliability by eliminating the need for bending or shaping during installation. The 21759 part number is part of this line, offering a tailored fit for select Cadillac models to maintain optimal coolant flow and system performance.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses
  • Prevention of coolant leaks that can cause engine overheating
  • Restoration of proper coolant flow in Cadillac DeVille, Eldorado, and Seville cooling systems
  • Elimination of hose collapse or deformation under pressure
  • Upgrade from generic hoses to a molded, vehicle-specific design

Installation Notes and Tips

  • Ensure the engine is cool before removing the old hose to avoid burns
  • Check all clamps and fittings for wear and replace if necessary
  • Verify the hose orientation matches the original to maintain proper coolant flow
  • Inspect the cooling system for leaks after installation
  • Use appropriate tools to avoid damaging the molded hose during installation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21759 is manufactured to meet strict quality standards for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship.

BrandGates
Part Number21759
PositionMolded Coolant Hose, Upper
0
Yes
Branch Quantity0
Centerline Length30.9
Centerline Length785
Contains SpringNo
End 1 Inside Diameter1.25
End 1 Inside Diameter32
End 2 Inside Diameter1.25
End 2 Inside Diameter32
MaterialEPDM
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1995CadillacDeVille4.9LV8GASUpperMolded Coolant Hose
1994CadillacDeVille4.9LV8GASUpperMolded Coolant Hose
1993CadillacEldorado4.9LV8GASUpperMolded Coolant Hose
1993CadillacSeville4.9LV8GASUpperMolded Coolant Hose
1992CadillacEldorado4.9LV8GASUpperMolded Coolant Hose
1992CadillacSeville4.9LV8GASUpperMolded Coolant Hose
1991CadillacEldorado4.9LV8GASUpperMolded Coolant Hose
1991CadillacSeville4.9LV8GASUpperMolded Coolant Hose
1990CadillacEldorado4.5LV8GASUpperMolded Coolant Hose
1990CadillacSeville4.5LV8GASUpperMolded Coolant Hose
1989CadillacEldorado4.5LV8GASUpperMolded Coolant Hose
1989CadillacSeville4.5LV8GASUpperMolded Coolant Hose
1988CadillacEldorado4.5LV8GASUpperMolded Coolant Hose
1988CadillacSeville4.5LV8GASUpperMolded 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:

14-2167-016407462175926167X35323354155758361557713788449C1759E71378KM-2309MH-4759

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