HomeBelts and Cooling > Hoses and PipesDayco 71864 Radiator Coolant Hose - Upper
Part #: 71864

Dayco 71864 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Upper
🚗Fitment: Dodge, Ram 1500
🔄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 71864

The Dayco Curved Radiator Hose 71864 is designed specifically for Dodge Ram 1500 models, providing reliable coolant flow and engine temperature regulation. Made from durable EPDM material, this radiator coolant hose ensures consistent performance under demanding conditions.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • 1 1/2 inch inside diameter on both ends for uniform coolant flow
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose without heat shield or protective sleeve
  • Trunk height of 32 for proper clearance and installation

Detailed Product Description

The Dayco Curved Radiator Hose 71864 is engineered to meet the cooling system requirements of Dodge Ram 1500 trucks. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability and longevity. The hose features a consistent 1 1/2 inch inside diameter on both ends, facilitating smooth coolant circulation. This single i.d. hose does not include a heat shield or protective sleeve, making it suitable for applications where additional protection is not required. The trunk height of 32 allows for proper routing within the engine bay, reducing the risk of kinks or interference with other components.

The Curved Radiator Hose product line by Dayco focuses on delivering hoses shaped to fit specific vehicle cooling system layouts, improving installation ease and system efficiency. This hose is part of that line, designed to match the contours and space constraints of the Dodge Ram 1500 cooling system.

Applications and Problem Solving

  • Replaces worn or cracked radiator coolant hoses in Dodge Ram 1500
  • Prevents coolant leaks that can cause engine overheating
  • Addresses hose swelling or softening due to heat exposure
  • Restores proper coolant flow to maintain engine temperature
  • Eliminates fitment issues caused by generic or incorrect hoses

Installation Notes and Tips

  • Ensure engine is cool before removing the old radiator hose
  • Check hose clamps and replace if corroded or damaged
  • Verify the 1 1/2 inch inside diameter matches your vehicle’s fittings
  • Route the hose carefully to avoid contact with moving parts or sharp edges
  • After installation, pressure test the cooling system for leaks

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71864 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry cooling hose specifications. The EPDM material and construction quality provide reliable performance under typical operating conditions. Warranty details should be confirmed with the point of purchase or manufacturer documentation.

BrandDayco
Part Number71864
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 1/2
End 2 Inside Diameter1 1/2
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height32

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001DodgeRam 15003.9LV6UpperCurved Radiator Hose
2000DodgeRam 15003.9LV6UpperCurved Radiator Hose
1999DodgeRam 15003.9LV6UpperCurved Radiator Hose
1998DodgeRam 15003.9LV6UpperCurved Radiator Hose
1997DodgeRam 15003.9LV6UpperCurved Radiator Hose
1996DodgeRam 15003.9LV6UpperCurved Radiator Hose
1995DodgeRam 15003.9LV6UpperCurved Radiator Hose
1994DodgeRam 15003.9LV6UpperCurved 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:

26247X

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