Dayco 73098 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 73098

The Dayco Curved Radiator Hose 73098 is designed specifically for Mercedes-Benz E350 models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this branched radiator coolant hose ensures compatibility and performance under demanding conditions.

• Material: EPDM for heat and chemical resistance
• Color: Black
• Branched hose design with three different inside diameters
• End 1 Inside Diameter: 1 9/32 inches
• End 2 Inside Diameter: 1 13/32 inches
• End 3 Inside Diameter: 15/32 inches
• Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Trunk height: 19 inches
• Does not include heat shield or protective sleeve

Detailed Product Description

The Dayco Curved Radiator Hose 73098 is engineered to meet the specific cooling system requirements of the Mercedes-Benz E350. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring long service life. The branched hose design features three distinct inside diameters—1 9/32 inches, 1 13/32 inches, and 15/32 inches—allowing it to connect multiple points within the radiator system efficiently. The black color and precise dimensions, including outside diameters of 1 21/32 inches, 1 25/32 inches, and 7/16 inches, ensure a proper fit and seal. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for automotive coolant applications.

The Curved Radiator Hose product line by Dayco focuses on delivering hoses shaped to fit complex radiator layouts, reducing stress on connections and improving coolant flow. This part number 73098 is part of that line, designed to accommodate the specific routing and branching needs of the Mercedes-Benz E350 cooling system.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Mercedes-Benz E350
• Resolving coolant leaks caused by hose degradation or damage
• Preventing overheating due to compromised coolant flow
• Maintaining proper engine temperature regulation
• Ensuring secure connections in branched radiator hose systems

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 73098, ensure the vehicle is cool to avoid burns from hot coolant. Verify that the hose dimensions match the original equipment to maintain proper fit and seal. Use appropriate clamps to secure each end of the branched hose, and inspect surrounding components for wear or damage during replacement. Avoid twisting or stretching the hose during installation to prevent premature failure.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 73098 to meet SAE standards, ensuring consistent quality and performance. The EPDM material and compliance with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications provide confidence in durability and resistance to automotive coolant environments. Warranty details should be confirmed with the point of purchase or manufacturer documentation.