Dayco
Curved Radiator Hose

Dayco 72975 Radiator Coolant Hose - Upper

Brand Dayco 72975
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 13
Product line Curved Radiator Hose
Fits Honda · 6 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.

$23.37Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $23.37
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dayco 72975 Curved Radiator Hose for Honda Civic

Dayco 72975 is a curved radiator coolant hose built for the upper cooling circuit on select Honda Civic models. Made from EPDM rubber and finished in black, it is shaped for direct routing in the engine bay and sized with 1 3/16-inch inside diameters at both ends.

Key Features

  • EPDM construction for coolant-system service
  • Curved radiator hose design for upper hose routing
  • 1 3/16-inch inside diameter at End 1 and End 2
  • 1 19/32-inch outside diameter at both ends
  • Single I.D. hose configuration
  • Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Black finish for a clean OE-style appearance

Product Details

This Dayco Curved Radiator Hose line focuses on formed coolant hoses that follow the original routing path and maintain proper fit in the cooling system. Part number 72975 is a curved upper radiator hose for 2016-2021 Honda Civic applications, including the upper hose position. For buyers searching for a Honda Civic upper radiator hose, Honda Civic coolant hose replacement, or Dayco 72975 radiator hose, this part matches the listed vehicle coverage and hose dimensions.

Fits 2016-2021 Honda Civic, upper.

Common Cooling System Issues

  • Cracked or hardened upper radiator hose
  • Coolant seepage at the hose connection points
  • Loss of hose flexibility from heat and age
  • Improper hose routing after a failed replacement
  • Cooling system service on a Honda Civic with a worn upper hose

Installation Notes and Tips

Verify the hose routing, end diameters, and upper position before installation. Inspect the mating necks, clamps, and surrounding cooling components for wear or corrosion, and replace any damaged sealing surfaces before installing the new hose. Confirm the hose sits without twisting so the curved shape follows the original path.

Quality Assurance

Dayco 72975 is manufactured to meet SAE J20R4 Class D-1 and SAE J1684 Type EC requirements for radiator hose applications. The EPDM construction is selected for coolant-system service and consistent fit in the upper hose location on the listed Honda Civic models.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2021HondaCivic2.0LL4UpperCurved Radiator Hose
2020HondaCivic2.0LL4UpperCurved Radiator Hose
2019HondaCivic2.0LL4UpperCurved Radiator Hose
2018HondaCivic2.0LL4UpperCurved Radiator Hose
2017HondaCivic2.0LL4UpperCurved Radiator Hose
2016HondaCivic2.0LL4UpperCurved Radiator Hose