Dayco 72222 Radiator Coolant Hose - Upper

Dayco 72222 Curved Radiator Hose Overview

Dayco 72222 is a curved upper radiator coolant hose made from EPDM for reliable coolant transfer in select Jeep applications. It is built with a 1 1/2 in. inside diameter at both ends and follows the curved routing needed for the engine bay layout on the Jeep Commander and Jeep Grand Cherokee.

The Dayco Curved Radiator Hose line focuses on application-specific hose shapes and OE-style fitment for cooling system service. This Dayco 72222 hose is a direct replacement option for upper radiator hose service where the original hose follows a curved path.

Key Features

• EPDM construction for cooling system use
• Black finish for a factory-style appearance
• 1 1/2 in. inside diameter at both ends
• Single I.D. hose design
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Curved upper radiator hose routing for select Jeep models

Detailed Product Description

Dayco 72222 is an upper radiator coolant hose engineered for select 2005-2010 Jeep Grand Cherokee and 2006-2010 Jeep Commander models. The EPDM rubber construction is suited for hot coolant circulation, while the curved profile helps match the factory hose path in the cooling system. If you are replacing a worn Jeep Grand Cherokee upper radiator hose or a Jeep Commander curved radiator hose, this part number provides the correct size and shape for the listed applications. Dayco 72222 also cross-references Chrysler 55116867AA for the same application.

Vehicle Fitment

• Fits 2006-2010 Jeep Commander, Upper — Curved Radiator Hose
• Fits 2005-2010 Jeep Grand Cherokee, Upper — Curved Radiator Hose

Common Cooling System Issues This Hose Can Address

• Cracked or split upper radiator hose
• Coolant seepage at the hose body
• Softening or swelling from heat and age
• Restricted coolant flow caused by hose collapse
• Incorrect hose routing after prior cooling system repair

Installation Notes and Tips

Inspect the hose necks, clamps, and adjoining radiator and engine fittings before installation. Drain coolant to a safe level, route the hose without twisting, and verify that the curved shape matches the factory path on the Jeep Commander or Jeep Grand Cherokee. After installation, refill the cooling system and check for leaks at operating temperature.

Quality Assurance

This Dayco radiator coolant hose is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC standards for cooling system hose applications.