HomeBelts and Cooling > Hoses and PipesDayco 71901 Radiator Coolant Hose - Upper
Part #: 71901

Dayco 71901 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
17 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Curved Radiator Hose, Upper
Fitment: Ford, F-150 Heritage, F-150, Expedition, and F-250
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Curved Radiator Hose 71901

The Dayco Curved Radiator Hose 71901 is designed specifically for Ford Expedition, F-150, F-150 Heritage, and F-250 models. This radiator coolant hose features a durable EPDM construction and a consistent 1 3/4 inch inside diameter on both ends, ensuring reliable coolant flow and fitment.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • End 1 and End 2 inside diameter: 1 3/4 inches
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type with 27 trunk height
  • Compatible with Ford Expedition, F-150, F-150 Heritage, and F-250

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses engineered to match specific vehicle cooling system requirements. This product line emphasizes precise curvature and dimensional accuracy to ensure proper coolant flow and secure connections without the need for modifications. The 71901 hose maintains these standards, providing a direct replacement for select Ford trucks and SUVs.

Product Description and Specifications

The Dayco 71901 radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 3/4 inches, making it a single i.d. hose suitable for consistent coolant flow. The hose does not include a heat shield or protective sleeve, which is typical for this type of radiator hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses. The trunk height measures 27, supporting proper installation and fitment within the engine bay.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses on Ford Expedition and F-Series trucks
  • Resolving coolant leaks caused by hose degradation or damage
  • Preventing overheating issues due to compromised coolant flow
  • Maintaining proper engine temperature regulation in Ford F-150 and F-250 models
  • Ensuring secure hose connections without leaks or pressure loss

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71901, ensure the engine is cool to avoid burns. Verify that the hose diameter matches the vehicle’s radiator and engine fittings. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect surrounding components for wear or damage during installation. No heat shield or protective sleeve is included, so avoid contact with sharp edges or hot surfaces that could damage the hose.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71901 to meet SAE specifications, ensuring durability and performance under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry standards for quality and reliability. This hose is engineered to provide consistent service life when installed and maintained according to manufacturer guidelines.

BrandDayco
Part Number71901
PositionCurved Radiator Hose, Upper
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 Height27

This part fits 17 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordF-150 Heritage4.6LV8UpperCurved Radiator Hose
2003FordF-1504.6LV8UpperCurved Radiator Hose
2002FordExpedition4.6LV8UpperCurved Radiator Hose
2002FordF-1504.6LV8UpperCurved Radiator Hose
2001FordExpedition4.6LV8UpperCurved Radiator Hose
2001FordF-1504.6LV8UpperCurved Radiator Hose
2000FordExpedition4.6LV8UpperCurved Radiator Hose
2000FordF-1504.6LV8UpperCurved Radiator Hose
1999FordExpedition4.6LV8UpperCurved Radiator Hose
1999FordF-1504.6LV8UpperCurved Radiator Hose
1999FordF-2504.6LV8UpperCurved Radiator Hose
1998FordExpedition4.6LV8UpperCurved Radiator Hose
1998FordF-1504.6LV8UpperCurved Radiator Hose
1998FordF-2504.6LV8UpperCurved Radiator Hose
1997FordExpedition4.6LV8UpperCurved Radiator Hose
1997FordF-1504.6LV8UpperCurved Radiator Hose
1997FordF-2504.6LV8UpperCurved 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:

26336X26550X

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