Dayco 73098 Radiator Coolant Hose - Upper
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Dayco
 Curved Radiator Hose

Dayco 73098 Radiator Coolant Hose - Upper

Brand Dayco 73098
Position Upper
Material Epdm
Color Black
End 1 Inside Diameter 1 9/32
End 2 Inside Diameter 1 13/32
End 3 Inside Diameter 15/32
Contains Heat Shield N
Contains Protective Sleeve N
End 1 Outside Diameter 1 21/32
End 2 Outside Diameter 1 25/32
End 3 Outside Diameter 7/16
Hose Type Branched hose
SAE Specification Sae j20r4 class d-1, sae j1684 type ec
Trunk Height 19
Product line Curved Radiator Hose
Fits Mercedes-Benz · 4 vehicles

Curved hose design. Routes coolant smoothly through a branched EPDM construction.

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

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

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Curved Upper Radiator Hose for Mercedes-Benz E350

Dayco 73098 is a branched radiator coolant hose made from EPDM for upper cooling-system routing. It is built for 2006-2009 Mercedes-Benz E350 applications without Partial Zero Emissions, with fitment matched to the curved upper hose layout.

Key Features

  • EPDM construction for coolant hose service
  • Black finish for a factory-style appearance
  • Branched hose design for multi-path coolant routing
  • Upper radiator hose position
  • Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Dayco part number 73098 for direct catalog identification

Product Details

Dayco Curved Radiator Hose 73098 is engineered as a branched radiator coolant hose for the upper cooling circuit. The EPDM rubber construction is selected for use in coolant applications, while the curved profile and branch layout match the routing needs of the Mercedes-Benz E350 upper hose assembly. This part number 73098 is listed for 2006-2009 Mercedes-Benz E350 models without Partial Zero Emissions, making it a direct-fit option for owners searching for a 2006 Mercedes-Benz E350 upper radiator hose, a 2007-2009 Mercedes-Benz E350 curved coolant hose, or Dayco 73098 for Mercedes-Benz E350 cooling repair.

Dayco’s Curved Radiator Hose line focuses on formed hose shapes that follow OE-style routing and help maintain proper coolant flow path through the engine bay. For buyers comparing Dayco 73098 against other upper radiator hose options, the branched configuration and SAE-rated construction are the key identifiers.

Common Cooling System Issues This Hose Can Address

  • Cracked or split upper radiator hose
  • Coolant leaks at a formed hose section
  • Softening, swelling, or deterioration of an aging EPDM hose
  • Incorrect hose routing after prior cooling-system service
  • Replacement needs for a damaged branched coolant hose on a Mercedes-Benz E350

Installation Notes and Tips

Verify the vehicle is a 2006-2009 Mercedes-Benz E350 without Partial Zero Emissions before ordering. Match the upper hose routing, branch layout, and end diameters to the original hose before installation. Drain coolant as needed, inspect adjoining clamps and necks for wear, and confirm the hose seats fully without twisting. This part cross-references no listed alternate part numbers in the provided data.

Quality Assurance

Dayco identifies this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC standards, supporting specification-based replacement selection for Mercedes-Benz E350 cooling-system service.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009Mercedes-BenzE350Upperw/o Partial Zero Emissions; Curved Radiator Hose
2008Mercedes-BenzE350Upperw/o Partial Zero Emissions; Curved Radiator Hose
2007Mercedes-BenzE350Upperw/o Partial Zero Emissions; Curved Radiator Hose
2006Mercedes-BenzE350Upperw/o Partial Zero Emissions; Curved Radiator Hose