Dayco 73100 Radiator Coolant Hose - Upper
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Dayco
 Curved Radiator Hose

Dayco 73100 Radiator Coolant Hose - Upper

Brand Dayco 73100
Position Upper
Material Epdm
Color Black
End 1 Inside Diameter 1 9/32
End 2 Inside Diameter 1 13/32
Contains Heat Shield N
Contains Protective Sleeve N
End 1 Outside Diameter 1 21/32
End 2 Outside Diameter 1 25/32
Hose Type Dual i.d. hose
SAE Specification Sae j20r4 class d-1, sae j1684 type ec
Trunk Height 18 1/2
Product line Curved Radiator Hose
Fits Mercedes-Benz · 4 vehicles

Curved upper hose. Matches the listed radiator routing for the Mercedes-Benz C250 application.

EPDM construction. Handles radiator coolant service with a durable rubber compound.

Dual I.D. design. Uses two inside diameters to match the specified connection sizes.

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Curved Upper Radiator Hose for Mercedes-Benz C250

Dayco Curved Radiator Hose 73100 is a curved upper radiator coolant hose built for 2012-2015 Mercedes-Benz C250 applications. It uses EPDM construction and a dual I.D. hose design to match the specified cooling system connection points.

Key Features

  • Fits 2012-2015 Mercedes-Benz C250, upper.
  • EPDM rubber construction for coolant-system service.
  • Dual I.D. hose design with 1 9/32 in. and 1 13/32 in. inside diameters.
  • Black finish for a clean OE-style appearance.
  • Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications.
  • Dayco Curved Radiator Hose 73100 for upper radiator hose replacement.

Product Details

This Dayco curved radiator hose is shaped for upper cooling-system routing and sized for the listed Mercedes-Benz C250 fitment. The EPDM material is selected for radiator coolant service, while the dual I.D. construction supports the different connection diameters called out for this application. If you are replacing a worn Mercedes-Benz C250 upper radiator hose, Part Number 73100 provides a direct match to the specified position and hose style.

Common Problems It Can Address

  • Cracked or hardened upper radiator hose material.
  • Coolant seepage at the hose connection points.
  • Incorrect hose shape or diameter for the cooling circuit.
  • Heat-related hose deterioration in the engine bay.

Installation Notes

Verify the upper hose routing and connection sizes before installation. Inspect the mating necks, clamps, and surrounding cooling components for wear or corrosion, and replace any damaged parts before refilling the system. Confirm the hose is seated fully and routed without kinks or twist.

Quality Assurance

Dayco manufactures this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC standards for radiator coolant hose service. Part Number 73100 is built for the listed application and cooling-system requirements.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015Mercedes-BenzC250UpperCurved Radiator Hose
2014Mercedes-BenzC250UpperCurved Radiator Hose
2013Mercedes-BenzC250UpperCurved Radiator Hose
2012Mercedes-BenzC250UpperCurved Radiator Hose