Dayco 72907 Radiator Coolant Hose - Upper

Dayco Curved Radiator Hose for Honda and Acura

The Dayco 72907 is a curved radiator coolant hose built for upper cooling-system routing on select Honda and Acura applications. Made from EPDM rubber and finished in black, it follows the OE-style shape needed for a clean, secure coolant connection.

Compatible with 2014-2015 Acura MDX, upper; 2016-2021 Honda Pilot, upper; and 2017-2019 Honda Ridgeline, upper. The Dayco 72907 is a direct-fit style radiator hose for vehicles that require a curved upper hose with matching 1 3/16-inch inside diameters at both ends.

Key Features

• EPDM construction for coolant-system service
• Curved radiator hose profile for upper hose routing
• Single I.D. hose design
• 1 3/16 in. inside diameter at both ends
• Black finish for OE-style appearance
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Dayco 72907 part number for accurate ordering and catalog lookup

Product Details

This curved radiator hose is part of Dayco’s Curved Radiator Hose line, which focuses on replacement coolant hoses shaped to match vehicle-specific routing requirements. For upper radiator connections on the Acura MDX, Honda Pilot, and Honda Ridgeline, the formed profile helps maintain proper hose alignment in the engine bay. The Dayco 72907 uses EPDM material and standard coolant-hose sizing to support a secure fit at the radiator and engine connection points.

This part cross-references no listed interchange numbers in the provided data. Dayco 72907 is the reference number to use when searching for an upper radiator coolant hose for these applications.

Common Uses

• Replacing a cracked or aged upper radiator hose
• Restoring coolant flow between the engine and radiator
• Correcting hose routing on a curved upper hose application
• Addressing coolant seepage at hose connection points
• Replacing a hose that has softened, swollen, or split from heat and age

Installation Notes

Verify the hose shape, end diameters, and upper-position routing before installation. Inspect the mating necks, clamps, and surrounding cooling-system components for wear or corrosion, and confirm the hose seats fully on both ends. After installation, refill and bleed the cooling system according to the vehicle service procedure.

Quality Assurance

Dayco manufactures this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, supporting consistent material and dimensional standards for cooling-system replacement.