The factory air inlet hose for your 6.0L Powerstroke.

The Ford 3C3Z-9C623-AA Engine Air Intake Hose, also called the air inlet duct or air intake coupling, is a genuine Ford OE replacement for the 6.0L Powerstroke. It’s a direct replacement for the original hose, so it fits and functions exactly like the factory part.

Why it matters.

This hose is part of the path that carries filtered air from the intake to the turbocharger. Any crack, tear or loose connection in the intake path can let in air that bypasses the air filter, which risks dirt reaching the turbo and engine. A new genuine Ford hose restores a sealed, factory-correct intake connection.

Key Features

• Genuine Ford OEM part
• Direct replacement for the factory air inlet duct
• Factory fit, function and materials
• Cross-references Navistar 1840725C1

Fitment

• 2003–2005 Ford F-250, F-350, F-450 and F-550 Super Duty 6.0L Powerstroke (built before 5/05)
• 2003–2005 Ford Excursion 6.0L Powerstroke
• 2004–2007 Ford E-350 and E-450 Super Duty 6.0L Powerstroke vans

F-Series trucks built from 5/05 through 2007, and 2008–2010 E-Series vans, use a different air inlet hose (Ford 6C3Z-9C623-A). Contact us for that part.

What Problem Does This Solve?

• Cracked or deteriorated intake hose. Rubber intake hoses can harden and crack from heat and age. A damaged hose can leak air and let unfiltered air into the intake path.
• Protecting the turbo and engine. A sealed intake keeps dirt and debris out of the turbocharger and engine, where it can cause costly wear.
• Damaged during service. Intake hoses are often removed for turbo, injector or other top-end work and can be damaged in the process. A genuine Ford replacement ensures correct fit on reassembly.

Installation Tip

When installing the new hose, inspect the clamps and hose connections, and make sure every joint in the intake path is fully seated and tight.