HomeBelts and Cooling > Hoses and PipesGates 20816 Radiator Coolant Hose - Upper
Part #: 20816

Gates 20816 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Upper
🚗Fitment: Chevrolet, Corvette
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Overview of Gates Molded Coolant Hose 20816

The Gates Molded Coolant Hose 20816 is designed specifically for Chevrolet Corvette models, providing reliable radiator coolant flow. Constructed from durable EPDM material, this molded radiator coolant hose ensures consistent performance under various operating conditions.

  • Made from high-quality EPDM rubber for heat and chemical resistance
  • Molded design for precise fit and secure connections
  • Centerline length of 21.2 inches (538 mm) for exact fitment
  • Inside diameter of 1.5 inches (38 mm) on both ends
  • Compatible with Chevrolet Corvette radiator coolant systems

Detailed Product Description

The Gates Molded Coolant Hose 20816 is engineered to meet the specific cooling system requirements of Chevrolet Corvette vehicles. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. The molded design eliminates the need for additional fittings or clamps, ensuring a secure and leak-free connection. With an inside diameter of 1.5 inches (38 mm) on both ends and a centerline length of 21.2 inches (538 mm), this hose fits precisely within the cooling system layout of the Corvette, supporting efficient coolant flow and engine temperature regulation.

Applications and Common Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Chevrolet Corvette
  • Prevention of coolant leaks caused by hose degradation
  • Restoration of proper coolant flow to avoid engine overheating
  • Elimination of hose collapse or swelling under pressure
  • Maintenance of cooling system integrity for optimal engine performance

Installation Notes and Tips

Ensure the engine is cool before removing the old coolant hose to prevent burns. Verify the hose dimensions, including inside diameter and length, match the Gates Molded Coolant Hose 20816 specifications. Use appropriate clamps to secure the hose ends if required by the vehicle’s cooling system design. Inspect adjacent components for wear or damage during installation to maintain overall system reliability.

Quality Assurance and Warranty

Gates Molded Coolant Hose 20816 is manufactured to meet industry standards for durability and performance. The EPDM material and molded construction contribute to long service life under normal operating conditions. While specific warranty details are not provided, Gates products typically adhere to strict quality control processes to ensure consistent reliability in automotive cooling applications.

BrandGates
Part Number20816
PositionMolded Coolant Hose, Upper
MaterialEpdm
End 1 Inside Diameter1.5
End 1 Inside Diameter38
End 2 Inside Diameter1.5
End 2 Inside Diameter38
Contains SpringNo
Centerline Length21.2
Centerline Length538
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 7 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
1974ChevroletCorvette7.4LV8GASUpperMolded Coolant Hose
1973ChevroletCorvette7.4LV8GASUpperMolded Coolant Hose
1972ChevroletCorvette7.4LV8GASUpperW/Std. Cool.; W/O Hi Perf. Eng.; Molded Coolant Hose
1971ChevroletCorvetteManual7.4LV8GASUpperW/Std. Cool.; W/O Hi Perf. Eng.; Molded Coolant Hose
1969ChevroletCorvette7.0LV8GASUpperW/Hi Perf. Eng.; Molded Coolant Hose
1969ChevroletCorvette7.0LV8GASUpperW/Spec. Hi Perf. Eng.; Molded Coolant Hose
1969ChevroletCorvette7.0LV8GASUpperW/Hi Perf. Eng.; W/4-Bbl. Carb.; Molded 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:

2081624048L3967433667907689

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