Dayco 72871 Radiator Coolant Hose - Upper
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Dayco
 Curved Radiator Hose

Dayco 72871 Radiator Coolant Hose - Upper

Brand Dayco 72871
Position Upper
Material Epdm
Color Black
End 1 Inside Diameter 1 3/16
End 2 Inside Diameter 1 3/16
Contains Heat Shield N
Contains Protective Sleeve N
End 1 Outside Diameter 1 19/32
End 2 Outside Diameter 1 19/32
Hose Type Single i.d. hose
SAE Specification Sae j20r4 class d-1, sae j1684 type ec
Trunk Height 15
Product line Curved Radiator Hose
Fits Acura · 3 vehicles

Curved radiator hose. Single I.D. hose for a clean, efficient coolant connection.

EPDM construction. Resists heat and coolant exposure for dependable service.

SAE J20R4 Class D-1. Built to meet recognized coolant hose specifications.

$26.08Free shipping
In stock · usually ships same day before 1pm CST
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Order total $26.08
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Radiator Coolant Hose options

Curved Upper Radiator Hose for Acura RDX

This Dayco curved radiator hose is built for the upper cooling circuit on select Acura RDX applications. Part number 72871 is formed from EPDM rubber and sized to match the original hose routing for a direct-fit replacement.

Key Features

  • Fits 2013-2015 Acura RDX, upper
  • Dayco Curved Radiator Hose line for application-specific cooling system service
  • EPDM construction for coolant hose use
  • Black finish for a factory-style appearance
  • Single I.D. hose design with 1 3/16 in. inside diameter at both ends
  • Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Part number 72871 for accurate ordering and catalog matching

Product Details

Dayco 72871 is a curved radiator coolant hose designed for the upper hose position on 2013-2015 Acura RDX models. The hose uses EPDM material, a common choice for engine cooling service, and measures 1 3/16 in. inside diameter at both ends with 1 19/32 in. outside diameter at both ends. The curved profile helps maintain the intended hose path in the engine bay, supporting proper coolant flow routing on Acura RDX upper hose applications. This part number, 72871, is the correct reference when searching for an upper radiator hose for 2013-2015 Acura RDX vehicles.

Common Uses

  • Replacing a cracked or aged upper radiator hose
  • Restoring coolant transfer between engine components and the radiator
  • Addressing coolant seepage at hose ends
  • Correcting hose fitment issues caused by heat cycling or deterioration
  • Servicing the cooling system on 2013-2015 Acura RDX models

Installation Notes

Verify hose routing, end diameters, and position before installation. Inspect hose clamps, mating necks, and nearby cooling system components for wear or corrosion before fitting the new hose. This hose does not contain a heat shield or protective sleeve, so confirm clearance around hot or moving parts during installation.

Quality Assurance

Dayco manufactures cooling system hoses to published SAE specifications, including SAE J20R4 Class D-1 and SAE J1684 Type EC, to support consistent material and dimensional standards for radiator hose service.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015AcuraRDXUpperCurved Radiator Hose
2014AcuraRDXUpperCurved Radiator Hose
2013AcuraRDXUpperCurved Radiator Hose