HomeBelts and Cooling > Hoses and PipesGates 21408 Radiator Coolant Hose - Upper
Part #: 21408

Gates 21408 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
1 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Molded Coolant Hose, Upper
Fitment: Chevrolet, Corvette
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Reliable Radiator Coolant Hose for Chevrolet Corvette

The Gates Molded Coolant Hose 21408 is engineered to provide dependable cooling system performance for Chevrolet Corvette vehicles. Designed with precision and durable materials, this radiator coolant hose ensures efficient coolant flow and system integrity.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Molded design for precise fit and leak prevention
  • Centerline length of 31.7 inches (805 mm) for accurate installation
  • Consistent inside diameter of 1.25 inches (32 mm) on both ends
  • Compatible specifically with Chevrolet Corvette models

About the Gates 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 emphasizes durability and fitment accuracy, which helps maintain optimal coolant flow and reduces the risk of leaks or hose failure in demanding automotive cooling systems.

Product Details and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The molded construction ensures the hose maintains its shape and fits precisely within the cooling system of Chevrolet Corvette vehicles. Both ends of the hose have an inside diameter of 1.25 inches (32 mm), providing consistent flow capacity. With a centerline length of 31.7 inches (805 mm), the hose is designed to match factory specifications without the need for modification. This hose does not contain any springs or quick connect fittings, simplifying its design and installation.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Chevrolet Corvette
  • Resolving coolant leaks caused by hose deterioration or improper fit
  • Maintaining proper coolant flow to prevent engine overheating
  • Addressing hose collapse or deformation under pressure
  • Ensuring reliable cooling system performance during vehicle operation

Installation Notes and Tips

Before installation, verify the hose length and diameter match the original equipment specifications for your Chevrolet Corvette. Ensure all hose connections are clean and free of debris to prevent leaks. Use appropriate clamps to secure the hose ends firmly but avoid overtightening, which can damage the hose. The molded design of the Gates 21408 hose allows for straightforward installation without the need for bending or shaping.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive hoses, known for meeting industry standards for durability and performance. The Molded Coolant Hose 21408 is manufactured to strict quality controls to ensure reliable operation within the cooling system. While specific warranty details are not provided, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship.

BrandGates
Part Number21408
PositionMolded Coolant Hose, Upper
MaterialEpdm
End 1 Inside Diameter1.25
End 1 Inside Diameter32
End 2 Inside Diameter1.25
End 2 Inside Diameter32
Contains SpringNo
Centerline Length31.7
Centerline Length805
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 1 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1984ChevroletCorvette5.7LV8GASUpperMolded 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:

140645092140826103X4156061560711808106C1408E71180KM-2149MH-4408

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