Dayco 72310 Radiator Coolant Hose - Upper

Dayco Curved Radiator Hose for Volvo Cooling Systems

Dayco 72310 is a curved radiator coolant hose built for upper cooling-system routing on select Volvo applications. Made from EPDM and formed as a single I.D. hose, it provides the correct shape and hose diameter for service replacement on listed vehicles.

Compatible With Volvo S60, Volvo V70, Volvo XC70, Volvo S80, and Volvo C70 applications that use an upper curved radiator hose. The Dayco Curved Radiator Hose line is engineered for direct-fit cooling system service where a formed hose profile is required.

Key Features

• EPDM construction for coolant hose service
• Black finish for a factory-style appearance
• 1 7/16 in. inside diameter at both ends
• Single I.D. hose design
• Upper curved radiator hose configuration
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications

Detailed Description

This Dayco radiator coolant hose, part number 72310, is shaped for upper radiator routing and sized with matching 1 7/16 in. inside diameters at both ends. The EPDM rubber construction is selected for cooling-system use, while the curved profile helps maintain proper hose routing in the engine bay. This part cross-references Gates 22817 for the same application.

Fits 2002-2009 Volvo S60, upper. Fits 2002-2007 Volvo V70, upper. Fits 2003-2007 Volvo XC70, upper. Fits 2004-2006 Volvo S80, upper. Fits 2002-2004 Volvo C70, upper. Fits 2003-2004 Volvo S60, upper, compatible with vehicles containing air conditioning; curved radiator hose.

What This Hose Helps Address

• Cracked or hardened upper radiator hose material
• Coolant leaks at the hose body or ends
• Incorrect hose routing from a damaged formed hose
• Cooling-system service on Volvo S60, V70, XC70, S80, and C70 models
• Replacement of a worn Dayco 72310 or equivalent hose

Installation Notes and Tips

Verify end diameters, routing, and upper hose position before installation. Inspect hose clamps, mating necks, and nearby cooling-system components for wear or corrosion before fitting the new hose. Confirm the vehicle application against the listed Volvo model and year range, especially on 2003-2004 Volvo S60 vehicles with air conditioning.

Quality Assurance

Dayco 72310 is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for radiator hose service. The hose is designed for cooling-system replacement on the listed Volvo applications and follows the Dayco Curved Radiator Hose product line format for formed upper-hose routing.