HomeBelts and Cooling > Hoses and PipesDayco 71425 Radiator Coolant Hose - Upper
Part #: 71425

Dayco 71425 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
72 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, Upper
Fitment: Chevrolet and GMC, C2500, C2500 Suburban, C3500, K2500, K2500 Suburban, K3500, and C1500
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Overview of Dayco Curved Radiator Hose 71425

The Dayco Curved Radiator Hose 71425 is designed for reliable cooling system performance in Chevrolet and GMC trucks. Engineered with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for models like the Chevrolet C1500 and GMC K2500.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • End 1 inside diameter: 1 1/4 inches; End 2 inside diameter: 1 1/2 inches
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type with 23 1/2 inches trunk height

Details on the Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on delivering hoses that accommodate specific engine bay configurations requiring curved designs. This product line addresses the need for precise hose routing in cooling systems, reducing stress and potential leaks. The 71425 part exemplifies this with its tailored dimensions and material compliance, suitable for medium-duty Chevrolet and GMC trucks.

Product Description and Specifications

The Dayco 71425 radiator coolant hose is a single inside diameter hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Its black color and curved shape allow for a secure and leak-resistant connection between radiator components. The hose features an inside diameter of 1 1/4 inches on one end and 1 1/2 inches on the other, accommodating specific radiator and engine fittings. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses. The hose does not include a heat shield or protective sleeve but maintains durability through its material properties and design.

Compatible Vehicles and Common Applications

  • Chevrolet C1500, C2500, C2500 Suburban, C3500
  • GMC K2500, K2500 Suburban, K3500
  • Replacement for worn or cracked radiator coolant hoses
  • Addresses coolant leaks and overheating issues related to hose failure
  • Used in cooling system maintenance and repair for medium-duty trucks

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71425, ensure the engine is cool to prevent burns. Verify the hose diameters match the radiator and engine fittings to avoid leaks. Use appropriate clamps and tighten securely without over-torquing to maintain hose integrity. Inspect surrounding components for wear or damage during installation to ensure overall cooling system reliability.

Quality Assurance and Warranty

Dayco manufactures the 71425 radiator hose to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive cooling systems.

BrandDayco
Part Number71425
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 1/4
End 2 Inside Diameter1 1/2
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height23 1/2

This part fits 72 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995ChevroletC25007.4LV8UpperCurved Radiator Hose
1995ChevroletC2500 Suburban7.4LV8UpperCurved Radiator Hose
1995ChevroletC35007.4LV8UpperCurved Radiator Hose
1995ChevroletK25007.4LV8UpperCurved Radiator Hose
1995ChevroletK2500 Suburban7.4LV8UpperCurved Radiator Hose
1995ChevroletK35007.4LV8UpperCurved Radiator Hose
1995GMCC25007.4LV8UpperCurved Radiator Hose
1995GMCC2500 Suburban7.4LV8UpperCurved Radiator Hose
1995GMCC35007.4LV8UpperCurved Radiator Hose
1995GMCK25007.4LV8UpperCurved Radiator Hose
1995GMCK2500 Suburban7.4LV8UpperCurved Radiator Hose
1995GMCK35007.4LV8UpperCurved Radiator Hose
1994ChevroletC25007.4LV8UpperCurved Radiator Hose
1994ChevroletC2500 Suburban7.4LV8UpperCurved Radiator Hose
1994ChevroletC35007.4LV8UpperCurved Radiator Hose
1994ChevroletK25007.4LV8UpperCurved Radiator Hose
1994ChevroletK2500 Suburban7.4LV8UpperCurved Radiator Hose
1994ChevroletK35007.4LV8UpperCurved Radiator Hose
1994GMCC25007.4LV8UpperCurved Radiator Hose
1994GMCC2500 Suburban7.4LV8UpperCurved Radiator Hose
1994GMCC35007.4LV8UpperCurved Radiator Hose
1994GMCK25007.4LV8UpperCurved Radiator Hose
1994GMCK2500 Suburban7.4LV8UpperCurved Radiator Hose
1994GMCK35007.4LV8UpperCurved Radiator Hose
1993ChevroletC15007.4LV8UpperCurved Radiator Hose
1993ChevroletC25007.4LV8UpperCurved Radiator Hose
1993ChevroletC2500 Suburban7.4LV8UpperCurved Radiator Hose
1993ChevroletC35007.4LV8UpperCurved Radiator Hose
1993ChevroletK25007.4LV8UpperCurved Radiator Hose
1993ChevroletK2500 Suburban7.4LV8UpperCurved Radiator Hose
1993ChevroletK35007.4LV8UpperCurved Radiator Hose
1993GMCC25007.4LV8UpperCurved Radiator Hose
1993GMCC2500 Suburban7.4LV8UpperCurved Radiator Hose
1993GMCC35007.4LV8UpperCurved Radiator Hose
1993GMCK25007.4LV8UpperCurved Radiator Hose
1993GMCK2500 Suburban7.4LV8UpperCurved Radiator Hose
1993GMCK35007.4LV8UpperCurved Radiator Hose
1992ChevroletC15007.4LV8UpperCurved Radiator Hose
1992ChevroletC25007.4LV8UpperCurved Radiator Hose
1992ChevroletC2500 Suburban7.4LV8UpperCurved Radiator Hose
1992ChevroletC35007.4LV8UpperCurved Radiator Hose
1992ChevroletK25007.4LV8UpperCurved Radiator Hose
1992ChevroletK2500 Suburban7.4LV8UpperCurved Radiator Hose
1992ChevroletK35007.4LV8UpperCurved Radiator Hose
1992GMCC25007.4LV8UpperCurved Radiator Hose
1992GMCC2500 Suburban7.4LV8UpperCurved Radiator Hose
1992GMCC35007.4LV8UpperCurved Radiator Hose
1992GMCK25007.4LV8UpperCurved Radiator Hose
1992GMCK2500 Suburban7.4LV8UpperCurved Radiator Hose
1992GMCK35007.4LV8UpperCurved Radiator Hose
1991ChevroletC15007.4LV8UpperCurved Radiator Hose
1991ChevroletC25007.4LV8UpperCurved Radiator Hose
1991ChevroletC35007.4LV8UpperCurved Radiator Hose
1991ChevroletK25007.4LV8UpperCurved Radiator Hose
1991ChevroletK35007.4LV8UpperCurved Radiator Hose
1991GMCC25007.4LV8UpperCurved Radiator Hose
1991GMCC35007.4LV8UpperCurved Radiator Hose
1991GMCK25007.4LV8UpperCurved Radiator Hose
1991GMCK35007.4LV8UpperCurved Radiator Hose
1990ChevroletC15007.4LV8UpperCurved Radiator Hose
1990ChevroletC35007.4LV8UpperCurved Radiator Hose
1990ChevroletK35007.4LV8UpperCurved Radiator Hose
1990GMCC35007.4LV8UpperCurved Radiator Hose
1990GMCK35007.4LV8UpperCurved Radiator Hose
1989ChevroletC35007.4LV8UpperCurved Radiator Hose
1989ChevroletK35007.4LV8UpperCurved Radiator Hose
1989GMCC35007.4LV8UpperCurved Radiator Hose
1989GMCK35007.4LV8UpperCurved Radiator Hose
1988ChevroletC35007.4LV8UpperCurved Radiator Hose
1988ChevroletK35007.4LV8UpperCurved Radiator Hose
1988GMCC35007.4LV8UpperCurved Radiator Hose
1988GMCK35007.4LV8UpperCurved 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:

26152X

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