Homeβ€Ί Belts and Cooling > Hoses and Pipesβ€Ί Dayco 70539 Radiator Coolant Hose - Lower or Upper
Part #: 70539

Dayco 70539 Radiator Coolant Hose - Lower or Upper

Curved Radiator Hose, Upper
80 vehicles fit this part
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Curved Radiator Hose, Upper
Fitment: Dodge, Rover, Chrysler, and Plymouth, Dakota, 3500, New Yorker, Newport, Charger, Magnum, Monaco, Fury, Cordoba, Town & Country, Royal Monaco, Gran Fury, Coronet, Imperial, Fury I, Fury II, Fury III, Satellite, 300, D100 Pickup, D200 Pickup, D300 Pickup, W100 Pickup, and W200 Pickup
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Overview of Dayco Curved Radiator Hose 70539

The Dayco Curved Radiator Hose 70539 is designed to provide reliable coolant flow for select Chrysler, Dodge, and Rover vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent performance in demanding engine cooling systems.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Black color with 1 1/2 inch inside diameter on both ends
  • Single inside diameter hose type for straightforward installation
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 16 inches for precise fitment

Detailed Product Description

The Dayco Curved Radiator Hose 70539 is manufactured from EPDM (ethylene propylene diene monomer) rubber, a material known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a consistent 1 1/2 inch inside diameter on both ends, making it suitable for radiator coolant systems requiring a single i.d. hose configuration. The hose does not include a heat shield or protective sleeve, focusing on core durability and fitment. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line specializes in hoses designed with precise bends to accommodate specific engine layouts. This product line addresses the need for radiator hoses that fit complex routing paths without compromising coolant flow or hose integrity. The 70539 part number is part of this line, offering a tailored solution for vehicles requiring curved hose configurations.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with various Chrysler, Dodge, and Rover models, including the Chrysler 300, Dodge Charger, Dodge Dakota, Dodge Magnum, and several others such as the Dodge 3500, Imperial, Monaco, Newport, New Yorker, and Town & Country. It is intended for use in radiator coolant systems where a 1 1/2 inch single inside diameter hose is specified.

  • Replaces worn or cracked radiator coolant hoses
  • Prevents coolant leaks and overheating issues
  • Restores proper coolant flow in Chrysler 300 and Dodge Charger models
  • Addresses hose swelling or softening due to heat exposure
  • Suitable for radiator hose replacement in Dodge Dakota and Rover vehicles

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70539, ensure the engine is cool to avoid burns from hot coolant. Verify the hose routing matches the original to prevent kinks or interference with other engine components. Use appropriate clamps to secure the hose ends and check for leaks after installation. The hose’s 16-inch trunk height should be confirmed against vehicle specifications for proper fit.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70539 to meet SAE standards, ensuring durability and performance under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry quality controls and are designed for reliable service life in compatible Chrysler, Dodge, and Rover vehicles.

BrandDayco
Part Number70539
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 1/2
End 2 Inside Diameter1 1/2
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height16

This part fits 80 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991DodgeDakota5.2LV8UpperCurved Radiator Hose
1990DodgeDakota5.2LV8UpperCurved Radiator Hose
1989DodgeDakota5.2LV8UpperCurved Radiator Hose
1980Rover3500LowerCurved Radiator Hose
1978ChryslerNew Yorker6.6LV8UpperCurved Radiator Hose
1978ChryslerNew Yorker7.2LV8UpperCurved Radiator Hose
1978ChryslerNewport6.6LV8UpperCurved Radiator Hose
1978ChryslerNewport7.2LV8UpperCurved Radiator Hose
1978DodgeCharger6.6LV8UpperCurved Radiator Hose
1978DodgeMagnum6.6LV8UpperCurved Radiator Hose
1978DodgeMonaco6.6LV8UpperCurved Radiator Hose
1978DodgeMonaco7.2LV8UpperCurved Radiator Hose
1977ChryslerNew Yorker6.6LV8UpperCurved Radiator Hose
1977ChryslerNew Yorker7.2LV8UpperCurved Radiator Hose
1977ChryslerNewport6.6LV8UpperCurved Radiator Hose
1977ChryslerNewport7.2LV8UpperCurved Radiator Hose
1977ChryslerTown & Country6.6LV8UpperCurved Radiator Hose
1977ChryslerTown & Country7.2LV8UpperCurved Radiator Hose
1977DodgeCharger6.6LV8UpperCurved Radiator Hose
1977DodgeMonaco6.6LV8UpperCurved Radiator Hose
1977DodgeMonaco7.2LV8UpperCurved Radiator Hose
1976ChryslerNew Yorker6.6LV8UpperCurved Radiator Hose
1976ChryslerNew Yorker7.2LV8UpperCurved Radiator Hose
1976ChryslerNewport6.6LV8UpperCurved Radiator Hose
1976ChryslerNewport7.2LV8UpperCurved Radiator Hose
1976ChryslerTown & Country6.6LV8UpperCurved Radiator Hose
1976ChryslerTown & Country7.2LV8UpperCurved Radiator Hose
1976DodgeCharger6.6LV8UpperCurved Radiator Hose
1976DodgeMonaco6.6LV8UpperCurved Radiator Hose
1976DodgeMonaco7.2LV8UpperCurved Radiator Hose
1975ChryslerImperialUpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975ChryslerImperialUpperFits vehicles without air conditioning.; Curved Radiator Hose
1975ChryslerNew Yorker7.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975ChryslerNew Yorker7.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975ChryslerNew Yorker6.6LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975ChryslerNew Yorker6.6LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975ChryslerNewport7.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975ChryslerNewport7.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975ChryslerNewport6.6LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975ChryslerNewport6.6LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975ChryslerTown & Country7.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975ChryslerTown & Country7.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975ChryslerTown & Country6.6LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975ChryslerTown & Country6.6LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975DodgeCharger6.6LV8UpperCurved Radiator Hose
1975DodgeMonaco6.6LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975DodgeMonaco6.6LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975DodgeMonaco7.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975DodgeMonaco7.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975DodgeMonaco7.2LV8UpperCurved Radiator Hose
1974ChryslerImperialUpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1974ChryslerImperialUpperFits vehicles without air conditioning.; Curved Radiator Hose
1974ChryslerNew YorkerUpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1974ChryslerNew YorkerUpperFits vehicles without air conditioning.; Curved Radiator Hose
1974ChryslerNewport6.6LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1974ChryslerNewport6.6LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1974ChryslerNewport7.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1974ChryslerNewport7.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1974ChryslerTown & Country6.6LV8UpperCurved Radiator Hose
1974ChryslerTown & Country7.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1974ChryslerTown & Country7.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1974DodgeCharger6.6LV8UpperCurved Radiator Hose
1974DodgeCharger7.2LV8UpperCurved Radiator Hose
1974DodgeMonaco6.6LV8UpperCurved Radiator Hose
1974DodgeMonaco7.2LV8UpperCurved Radiator Hose
1973ChryslerImperialUpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1972ChryslerImperialUpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971Chrysler300UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971ChryslerImperialUpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971ChryslerNew YorkerUpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971ChryslerNewport6.3LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971ChryslerNewport7.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971ChryslerTown & Country6.3LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1971ChryslerTown & Country7.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1970ChryslerImperialUpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1969ChryslerImperialUpperCurved Radiator Hose
1968ChryslerImperialUpperCurved Radiator Hose
1968DodgeCharger7.0LV8UpperCurved Radiator Hose
1967ChryslerImperialUpperCurved Radiator Hose
1967ChryslerNewport7.2LV8UpperCurved Radiator 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:

24056L

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