Gates EMH271 Engine Crankcase Breather Hose - Valve Cover To Air Cleaner

OE-Exact Crankcase Breather Hose

Gates EMH271 is an OE-exact engine crankcase breather hose for the emission control system. It restores the valve cover to air cleaner connection with a molded plastic construction and clip-on ends for a direct replacement on supported Ford and Lincoln applications.

Built for the crankcase ventilation path, this Gates Emission Control Hose line focuses on accurate fit and durable service life. If you are replacing a worn or cracked breather hose on a Ford Expedition, Ford F-150, or Lincoln Navigator, EMH271 provides the correct OE-style routing and connection style.

Key Features

• OE Exact replacement for the crankcase ventilation and emission control hose
• Molded plastic construction for consistent routing and fit
• Clip-on ends at both connections for OE-style attachment
• Inside diameter: 10 mm (0.4 in.)
• Centerline length: 489 mm (19.25 in.)
• Designed for valve cover to air cleaner routing
• Gates EMH271 part number for direct identification

Detailed Description

Gates EMH271 is part of the Gates Emission Control Hose line, a product line focused on replacement hoses for crankcase ventilation and emission control routing. This hose is built to match OE dimensions and connection style, helping maintain the intended path between the valve cover and air cleaner. For owners searching for a Ford Expedition crankcase breather hose, a Ford F-150 emission control hose, or a Lincoln Navigator valve cover to air cleaner hose, EMH271 provides a direct-fit replacement option. This part cross-references Ford 9L3Z 6758 A for the same application.

What It Helps Address

• Cracked or brittle breather hose material
• Loose or damaged clip-on hose connections
• Improper crankcase ventilation routing
• Emission system performance issues related to hose failure
• Vacuum leaks caused by a deteriorated hose assembly

Installation Notes and Tips

Verify the vehicle’s valve cover to air cleaner hose routing before installation. Confirm both ends use clip-on connections and compare the hose length and inside diameter to the original part. This hose is listed for 2007-2014 Ford and Lincoln applications including 2008-2014 Ford Expedition, 2009-2014 Lincoln Navigator, 2009-2010 Ford F-150, 2009-2010 Ford F-250 Super Duty, 2009-2010 Ford F-350 Super Duty, 2009 Ford F-350, and 2007-2008 Lincoln Mark LT.

Quality Assurance

Gates manufactures this replacement hose as an OE-exact emission control component using materials selected for durability and service life. EMH271 is built to restore the emission system’s intended operation when the original hose has aged, cracked, or lost its proper fit.