Dayco 72818 Radiator Coolant Hose - Lower
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Dayco
 Curved Radiator Hose

Dayco 72818 Radiator Coolant Hose - Lower

Brand Dayco 72818
Position Lower
Material Epdm
Color Black
End 1 Inside Diameter 1 1/4
End 2 Inside Diameter 1 1/4
Contains Heat Shield N
Contains Protective Sleeve N
End 1 Outside Diameter 1 11/16
End 2 Outside Diameter 1 11/16
Hose Type Single i.d. hose
SAE Specification Sae j20r4 class d-1, sae j1684 type ec
Trunk Height 12
Product line Curved Radiator Hose
Fits Hyundai · 3 vehicles

Curved hose design. Helps route coolant smoothly through the system.

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

SAE-spec compliant. Built to meet J20R4 Class D-1 and J1684 Type EC standards.

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Dayco 72818 Lower Radiator Hose for Elantra

The Dayco 72818 curved radiator hose is a lower coolant hose built for 2011-2013 Hyundai Elantra applications. Made from EPDM rubber and finished in black, it provides a direct-fit solution for lower radiator hose replacement on the Hyundai Elantra.

Key Features

  • Fits 2011-2013 Hyundai Elantra, lower
  • Curved radiator hose design for the lower cooling circuit
  • EPDM construction for coolant-system service
  • 1 1/4 in. inside diameter at both ends
  • Black hose with SAE J20R4 Class D-1 and SAE J1684 Type EC specification support
  • Dayco part number 72818

Product Details

Dayco Curved Radiator Hose part number 72818 is a single I.D. hose with matching 1 1/4 inch inside diameters and 1 11/16 inch outside diameters at both ends. The curved profile helps route coolant through the lower radiator connection on the 2011-2013 Hyundai Elantra, while the EPDM material is commonly used in cooling-system hose construction for heat and coolant exposure. This hose is specified for the lower position and is identified as a direct replacement for the Hyundai Elantra cooling system application.

Dayco 72818 is a practical choice when replacing a worn lower radiator hose on a 2011, 2012, or 2013 Hyundai Elantra. It is also a relevant search match for buyers looking for a lower radiator coolant hose for Hyundai Elantra 2011-2013 or a Dayco 72818 curved radiator hose replacement.

Common Problems This Part Addresses

  • Coolant leaks from a cracked or aged lower radiator hose
  • Softening, swelling, or collapse of the hose under operating temperature
  • Restricted coolant flow caused by hose deterioration
  • Loss of cooling-system integrity at the lower radiator connection
  • Replacement of a damaged Hyundai Elantra lower coolant hose

Installation Notes and Tips

Verify the hose routing, end diameters, and lower-position fitment before installation. Inspect the radiator neck, engine connection, and clamps for wear or corrosion, and replace any damaged sealing surfaces before installing the new hose. Confirm the hose follows the original curved path without kinks or twist.

Quality Assurance

This Dayco radiator coolant hose is built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications. It is a Dayco cooling-system replacement part engineered for the 2011-2013 Hyundai Elantra lower hose application.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013HyundaiElantra——LowerCurved Radiator Hose
2012HyundaiElantra1.8LL4LowerCurved Radiator Hose
2011HyundaiElantra1.8LL4LowerCurved Radiator Hose