Dayco 72228 Radiator Coolant Hose - Lower

Dayco 72228 Curved Radiator Hose Overview

Dayco 72228 is a curved radiator coolant hose built for the cooling system on the 2004 Dodge Dakota, lower position. Made from EPDM rubber and finished in black, this hose is shaped for a direct coolant routing path and uses a single I.D. hose design with 1 3/4-inch inside diameters at both ends.

For buyers searching for a 2004 Dodge Dakota lower radiator hose, Dayco 72228 provides the correct curved profile and SAE J20R4 Class D-1 / SAE J1684 Type EC specification support for cooling-system service.

Key Features

• Part number: 72228
• Curved radiator coolant hose for the lower cooling circuit
• EPDM construction for coolant-system use
• Black finish
• 1 3/4-inch inside diameter at both ends
• Single I.D. hose design
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Compatible with 2004 Dodge Dakota, lower position

Product Details

Dayco’s Curved Radiator Hose line focuses on formed coolant hoses that follow the vehicle’s original routing path. This helps maintain proper hose alignment in the engine bay and supports a clean, factory-style fit for cooling system service. Dayco 72228 is the lower radiator hose application for the 2004 Dodge Dakota and is sized with matching 1 3/4-inch ends for the specified connection points.

This part cross-references ACDelco 24559L and Gates 23067 for the same application. If you are replacing a worn or leaking lower coolant hose on a 2004 Dodge Dakota, Dayco 72228 is the direct-fit reference to compare against OE-style replacement needs.

Common Problems This Hose Can Address

• Coolant leaks from a cracked or aged lower radiator hose
• Softening, swelling, or collapse in the hose under heat and pressure
• Improper hose routing caused by a misshaped replacement hose
• Cooling-system service on a 2004 Dodge Dakota with a lower hose issue
• Loss of coolant circulation due to a damaged radiator hose connection

Installation Notes and Tips

Verify the hose routing and end diameters before installation on the 2004 Dodge Dakota. Inspect the radiator neck, engine connection points, and clamps for wear or corrosion before transferring the new hose into place. Confirm that the curved profile matches the lower hose path and that the hose seats fully at both 1 3/4-inch ends.

Because this is a formed coolant hose, correct orientation matters. Check the routing against the removed hose or service information for the vehicle before final tightening and refill the cooling system according to the manufacturer procedure.

Quality Assurance

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