Dayco 72916 Radiator Coolant Hose - Lower

Curved Lower Radiator Hose for HD Trucks

Dayco 72916 is a curved lower radiator coolant hose for select heavy-duty Chevrolet and GMC pickups. It is built for direct replacement service on the lower cooling circuit and supports proper coolant flow in demanding truck applications.

Key Features

• Curved radiator hose design for lower cooling system routing
• Direct replacement for select Chevrolet Silverado 2500 HD and Silverado 3500 HD models
• Direct replacement for select GMC Sierra 2500 HD and Sierra 3500 HD models
• Fits 2015-2019 Chevrolet Silverado 2500 HD, lower
• Fits 2015-2019 Chevrolet Silverado 3500 HD, lower
• Fits 2015-2019 GMC Sierra 2500 HD, lower
• Fits 2015-2019 GMC Sierra 3500 HD, lower

Detailed Description

Dayco 72916 is a curved radiator coolant hose made for the lower hose position on 2015-2019 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD trucks. The curved shape follows the factory routing used in these HD cooling systems, helping maintain a proper connection between the radiator and engine cooling circuit. If you are searching for a lower radiator hose for a 2015-2019 Silverado 2500 HD or Sierra 3500 HD, this part number provides a focused replacement option.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Replacement Uses

• Cracked or split lower radiator hose
• Coolant seepage at the hose body
• Softening, swelling, or collapse under heat and pressure
• Restricted coolant flow from an aging hose
• Service replacement for a worn Chevrolet Silverado 2500 HD or GMC Sierra 2500 HD lower hose

Installation Notes and Tips

Verify the lower hose routing against the original part before installation. Inspect the radiator neck, engine connection points, and clamps for wear or corrosion, and replace any damaged sealing surfaces before installing the new hose. Confirm fitment by year, make, model, and lower position for your truck.

Quality Assurance

Dayco is a recognized name in cooling system replacement parts, and 72916 is cataloged for the listed HD truck applications. Confirm vehicle fitment before purchase to ensure the correct lower radiator hose for your Silverado or Sierra.