HomeBelts and Cooling > Hoses and PipesDayco 71242 Radiator Coolant Hose - Lower - Pipe To Radiator or Upper
Part #: 71242

Dayco 71242 Radiator Coolant Hose - Lower - Pipe To Radiator or Upper

Curved Radiator Hose, Lower - Pipe To Radiator
17 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 - Pipe To Radiator
Fitment: INFINITI, Nissan, Chevrolet, and GMC, QX4, Pathfinder, S10, S10 Blazer, S15, and S15 Jimmy
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Overview of Dayco Curved Radiator Hose 71242

The Dayco Curved Radiator Hose 71242 is designed to provide reliable coolant flow for select Chevrolet, GMC, INFINITI, and Nissan vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures a secure fit and efficient heat resistance for models like the Nissan Pathfinder and Chevrolet S10 Blazer.

  • Constructed from high-quality EPDM material for durability and heat resistance
  • Dual inside diameter design: 1 1/4 inch and 1 9/16 inch ends for precise fitment
  • Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Black color for standard OEM appearance
  • Trunk height of 15 1/2 inches suitable for curved radiator hose applications

Dayco Curved Radiator Hose Product Line Details

The Curved Radiator Hose line by Dayco focuses on delivering hoses that accommodate specific radiator configurations requiring a curved design. This product line emphasizes precise fitment and material standards to meet OEM requirements, ensuring compatibility with various vehicle cooling systems. The 71242 part number is part of this line, offering a dual inside diameter hose that supports efficient coolant flow in curved radiator setups.

Detailed Product Description

This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The dual inside diameter ends measure 1 1/4 inch and 1 9/16 inch, allowing it to connect different sized radiator fittings securely. The hose does not include a heat shield or protective sleeve, which is typical for this type of curved radiator hose. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it adheres to industry requirements for coolant hoses. The black color maintains a standard OEM look, suitable for visible engine bay components.

Compatible Vehicles and Common Applications

  • Chevrolet S10 and S10 Blazer radiator coolant hose replacement
  • GMC S15 and S15 Jimmy cooling system maintenance
  • INFINITI QX4 radiator hose repair or upgrade
  • Nissan Pathfinder coolant hose replacement

Installation Notes and Tips

  • Ensure the hose ends match the radiator and engine fitting diameters: 1 1/4 inch and 1 9/16 inch
  • Inspect clamps and surrounding components for wear before installation
  • Properly route the hose to avoid kinks or contact with moving parts
  • Verify no heat shield or protective sleeve is required for your specific vehicle application

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71242 to meet SAE specifications, providing assurance of material and performance standards. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality guarantees. Using this hose helps maintain the integrity of the cooling system in compatible Chevrolet, GMC, INFINITI, and Nissan vehicles.

BrandDayco
Part Number71242
PositionCurved Radiator Hose, Lower - Pipe To Radiator
ColorBlack
End 1 Inside Diameter1 1/4
End 2 Inside Diameter1 9/16
Hose TypeDual I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height15 1/2

This part fits 17 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000INFINITIQX4Lower - Pipe To RadiatorCurved Radiator Hose
2000NissanPathfinderLower - Pipe To RadiatorCurved Radiator Hose
1999INFINITIQX4Lower - Pipe To RadiatorCurved Radiator Hose
1999NissanPathfinderLower - Pipe To RadiatorCurved Radiator Hose
1998INFINITIQX4Lower - Pipe To RadiatorCurved Radiator Hose
1998NissanPathfinderLower - Pipe To RadiatorCurved Radiator Hose
1997INFINITIQX4Lower - Pipe To RadiatorCurved Radiator Hose
1997NissanPathfinderLower - Pipe To RadiatorCurved Radiator Hose
1996NissanPathfinderLower - Pipe To RadiatorCurved Radiator Hose
1986ChevroletS102.5LL4UpperCurved Radiator Hose
1986ChevroletS10 Blazer2.5LL4UpperCurved Radiator Hose
1986GMCS152.5LL4UpperCurved Radiator Hose
1986GMCS15 Jimmy2.5LL4UpperCurved Radiator Hose
1985ChevroletS102.5LL4UpperCurved Radiator Hose
1985ChevroletS10 Blazer2.5LL4UpperCurved Radiator Hose
1985GMCS152.5LL4UpperCurved Radiator Hose
1985GMCS15 Jimmy2.5LL4UpperCurved 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:

24360L

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