HomeBelts and Cooling > Hoses and PipesDayco 71730 Radiator Coolant Hose - Lower or Upper
Part #: 71730

Dayco 71730 Radiator Coolant Hose - Lower or Upper

Curved Radiator Hose, Lower and Upper
⚙️ 12 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Lower and Upper
🚗Fitment: Chevrolet, Dodge, and GMC, Monaco, S10, S15, and Sonoma
🔄Easy Returns — Return within 60 days for a full refund
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Durable Radiator Coolant Hose for Chevrolet, Dodge, and GMC Vehicles

The Dayco Curved Radiator Hose 71730 is engineered to provide reliable coolant flow for select Chevrolet, Dodge, and GMC models. Designed with precision, this radiator coolant hose ensures consistent performance and durability under typical engine operating conditions.

Key Features of Dayco Curved Radiator Hose 71730

  • Constructed from EPDM material for heat and chemical resistance
  • Black color for standard OEM appearance
  • Uniform 1 1/4 inch inside diameter on both ends for consistent coolant flow
  • Single inside diameter hose type for straightforward installation
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 15 for proper fitment and routing

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses designed to match the specific routing and fitment requirements of various vehicle cooling systems. This product line emphasizes durability and compliance with SAE standards, ensuring compatibility and reliable performance in cooling applications. The 71730 part is a representative component within this line, tailored for certain Chevrolet, Dodge, and GMC models.

Detailed Product Description

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for engine cooling systems. Both ends of the hose have an inside diameter of 1 1/4 inches, providing a consistent flow path for coolant. The hose is black, matching OEM specifications for appearance and material properties. It is a single inside diameter hose type, simplifying installation and ensuring a secure fit. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, which define performance and durability requirements for coolant hoses. With a trunk height of 15, this hose is designed to fit the routing needs of compatible vehicles without interference.

Compatible Vehicles and Common Applications

  • Chevrolet Monaco radiator coolant hose replacement
  • Dodge S10 cooling system hose repair
  • GMC S15 radiator hose maintenance
  • GMC Sonoma coolant hose replacement
  • Addressing coolant leaks and hose deterioration in these models

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Inspect hose connections and clamps for corrosion or damage and replace if necessary. Verify the hose routing matches the original to avoid kinks or interference with other engine components. Use proper clamps to secure the hose ends and check for leaks after installation.

Quality Assurance and Warranty

Dayco radiator hoses are manufactured to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details for part number 71730 are not provided here, Dayco products typically come with manufacturer-backed quality assurance. Refer to Dayco’s official documentation for warranty terms related to this radiator coolant hose.

BrandDayco
Part Number71730
PositionCurved Radiator Hose, Lower and Upper
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 1/4
End 2 Inside Diameter1 1/4
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height15

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993ChevroletS102.5LL4UpperCurved Radiator Hose
1993GMCSonoma2.5LL4UpperCurved Radiator Hose
1992ChevroletS102.5LL4UpperCurved Radiator Hose
1992DodgeMonacoLowerCurved Radiator Hose
1992GMCSonoma2.5LL4UpperCurved Radiator Hose
1991ChevroletS102.5LL4UpperCurved Radiator Hose
1991DodgeMonacoLowerCurved Radiator Hose
1991GMCSonoma2.5LL4UpperCurved Radiator Hose
1990ChevroletS102.5LL4UpperCurved Radiator Hose
1990GMCS152.5LL4UpperCurved Radiator Hose
1989ChevroletS102.5LL4UpperCurved Radiator Hose
1989GMCS152.5LL4UpperCurved 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:

24190L

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