HomeBelts and Cooling > Hoses and PipesDayco 70558 Radiator Coolant Hose - Lower or Upper
Part #: 70558

Dayco 70558 Radiator Coolant Hose - Lower or Upper

Curved Radiator Hose, Lower
11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Curved Radiator Hose, Lower
Fitment: Checker, Chevrolet, Ford, and Pontiac, Marathon, Camaro, C10 Pickup, C20 Pickup, C30 Pickup, K10 Pickup, K20 Pickup, Suburban, Thunderbird, Bonneville, Chieftain, and Super Chief
Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 70558

The Dayco Curved Radiator Hose 70558 is designed to provide reliable coolant flow for select Chevrolet, Ford, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a single inside diameter of 1 3/4 inches on both ends
  • Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Curved design suitable for specific radiator coolant routing
  • Compatible with Chevrolet Bonneville, Ford Thunderbird, and Pontiac Camaro models

Detailed Product Description

The Dayco Curved Radiator Hose 70558 is part of the Curved Radiator Hose product line, which focuses on delivering precise fitment and durability for radiator coolant systems. This hose features a single inside diameter of 1 3/4 inches on both ends, making it ideal for applications requiring consistent hose sizing. Manufactured from EPDM, the hose offers resistance to heat, ozone, and coolant chemicals, ensuring longevity under typical engine operating conditions. The black finish provides a standard appearance suitable for under-hood environments. This hose does not include a heat shield or protective sleeve, which is consistent with its intended use in standard cooling system configurations.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with specific models from Chevrolet, Ford, and Pontiac. It is designed to fit the Chevrolet Bonneville, Ford Thunderbird, and Pontiac Camaro, providing a direct replacement option for radiator coolant hose maintenance or repair. The part number 70558 ensures accurate identification for these applications.

  • Replaces worn or cracked radiator coolant hoses
  • Prevents coolant leaks and overheating issues
  • Maintains proper coolant flow within the radiator system
  • Addresses hose swelling or softening due to age or heat exposure
  • Supports engine cooling system integrity for Chevrolet Bonneville, Ford Thunderbird, and Pontiac Camaro

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70558, ensure the engine is cool to avoid injury from hot coolant. Verify that the hose diameter matches the radiator and engine fittings, both being 1 3/4 inches inside diameter. Inspect hose clamps and replace if necessary to secure a leak-free connection. Proper routing of the curved hose is essential to prevent kinks or interference with other engine components.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70558 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. The use of EPDM material supports durability and resistance to common coolant system stresses. While specific warranty details are not provided, Dayco products typically adhere to manufacturer quality controls to support reliable service life.

BrandDayco
Part Number70558
PositionCurved Radiator Hose, Lower
ColorBlack
End 1 Inside Diameter1 3/4
End 2 Inside Diameter1 3/4
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height16

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1969ChevroletCamaro7.0LV8LowerCurved Radiator Hose
1968ChevroletCamaro5.4LV8LowerCurved Radiator Hose
1968ChevroletCamaro4.9LV8LowerCurved Radiator Hose
1968ChevroletCamaro5.3LV8LowerCurved Radiator Hose
1968ChevroletCamaro5.7LV8LowerCurved Radiator Hose
1967ChevroletCamaro5.3LV8LowerRadiator Coolant Hose for H.D. vehicles.; Curved Radiator Hose
1967ChevroletCamaro5.7LV8LowerRadiator Coolant Hose for H.D. vehicles.; Curved Radiator Hose
1963FordThunderbird6.4LV8UpperCurved Radiator Hose
1962FordThunderbirdUpperCurved Radiator Hose
1961FordThunderbirdUpperCurved Radiator Hose
1958PontiacBonnevilleUpperw/3-2 bbls.; Curved 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:

22095M

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