HomeBelts and Cooling > Hoses and PipesDayco 70770 Radiator Coolant Hose - Upper
Part #: 70770

Dayco 70770 Radiator Coolant Hose - Upper

Upper
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Overview of Dayco Curved Radiator Hose 70770

The Dayco Curved Radiator Hose 70770 is designed to provide reliable coolant flow in automotive cooling systems. Constructed from durable EPDM material, this black single inside diameter hose ensures consistent performance under typical engine operating conditions.

  • Made from EPDM material for heat and chemical resistance
  • Black color for standard OEM appearance
  • Both ends have a 2-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 25 1/2 inches for proper routing
  • Does not include heat shield or protective sleeve

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses shaped to accommodate specific engine bay layouts, reducing stress and improving coolant flow efficiency. The 70770 part number is part of this line, offering a curved design that fits applications requiring a 2-inch inside diameter hose with a 25 1/2 inch trunk height. This hose is engineered to meet SAE standards, ensuring compatibility with various vehicle cooling systems.

Technical Description and Attributes

This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose is black, a common color for radiator hoses, providing a clean and OEM-consistent look. Both ends have an inside diameter of 2 inches, making it suitable for connections requiring this size. The hose type is a single inside diameter hose, simplifying installation and fitment. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, which specify requirements for coolant hoses in automotive applications. The trunk height of 25 1/2 inches allows for proper routing in compatible vehicles.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses
  • Addressing coolant leaks caused by hose degradation
  • Maintaining proper coolant flow to prevent engine overheating
  • Ensuring compatibility with vehicles requiring a 2-inch inside diameter curved hose
  • Upgrading OEM hoses that do not meet SAE specifications

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70770, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify that the 2-inch inside diameter matches the radiator and engine fittings. Use appropriate clamps to secure the hose ends firmly. Since this hose does not include a heat shield or protective sleeve, consider additional protection if routing near high-temperature components.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70770 to meet SAE standards, ensuring durability and performance in automotive cooling systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and testing protocols to maintain reliability.

BrandDayco
Part Number70770
MaterialEpdm
ColorBlack
End 1 Inside Diameter2
End 2 Inside Diameter2
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height25 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:

26034X26233X

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