HomeBelts and Cooling > Hoses and PipesDayco 70920 Radiator Coolant Hose
Part #: 70920

Dayco 70920 Radiator Coolant Hose

Lower - Pipe To Engine, Lower - Pipe To Pipe, Upper - Pipe To Engine, Upper - Pipe To Radiator, Lower - Pipe To Radiator, Lower, Lower - Oil Cooler To Radiator, Lower - Cooler To Pipe, Lower - Pipe To Oil Cooler, Lower - Oil Cooler To Pipe, Lower - Engine To Pipe, Lower - Pipe To Heat Exchanger, Upper - Engine To Pipe (Left), Right, Upper - Engine To Pipe, Upper - Engine To Pipe (Right), and Lower - Pipe To Tee
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Overview of Dayco Curved Radiator Hose 70920

The Dayco Curved Radiator Hose 70920 is designed to provide reliable coolant flow in automotive cooling systems. Constructed from durable EPDM material, this black radiator coolant hose offers consistent performance for vehicles requiring a 2 1/4 inch inside diameter connection.

  • Made from EPDM material for heat and chemical resistance
  • Black color for standard OEM appearance
  • Both ends have a 2 1/4 inch inside diameter
  • Single inside diameter hose type for straightforward fitment
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 12 1/2 inches for precise routing
  • Does not include heat shield or protective sleeve

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on delivering hoses with precise bends and dimensions to accommodate specific radiator and engine configurations. This product line emphasizes material quality and compliance with SAE standards to ensure durability and proper coolant flow. The 70920 part is a single inside diameter hose designed to fit applications requiring a 2 1/4 inch connection on both ends, making it suitable for various vehicle cooling systems.

Technical Description and Specifications

This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity under demanding engine conditions. The hose is black in color and features a consistent 2 1/4 inch inside diameter on both ends, facilitating a secure and leak-free connection. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses. The hose’s trunk height measures 12 1/2 inches, providing the necessary length and curvature for proper installation without kinking or stress.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses
  • Resolving coolant leaks caused by hose degradation
  • Maintaining proper coolant flow to prevent engine overheating
  • Addressing fitment issues in vehicles requiring a 2 1/4 inch diameter curved hose
  • Upgrading OEM hoses with a durable EPDM material option

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to avoid burns. Verify that the hose diameter and length match the vehicle’s specifications. Use appropriate clamps to secure the hose ends and check for leaks after installation. Avoid twisting or stretching the hose during installation to maintain its integrity and fitment.

Quality Assurance and Warranty

Dayco’s Curved Radiator Hose 70920 is manufactured to meet SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are designed for durability in automotive cooling systems.

BrandDayco
Part Number70920
MaterialEpdm
ColorBlack
End 1 Inside Diameter2 1/4
End 2 Inside Diameter2 1/4
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height12 1/2

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:

20006S20058S20125S

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