Gates EMH144 Engine Crankcase Breather Hose - Valve Cover To Intake Tube

OE-Exact Crankcase Breather Hose

Gates EMH144 is an OE-exact engine crankcase breather hose for the emission control system. It is built from durable plastic and formed to restore proper routing between the valve cover and intake tube on supported Chevrolet, GMC, Cadillac, and Hummer applications.

For Silverado 2500 HD, Sierra 3500 HD, and related GM trucks and SUVs, this Gates emission control hose is shaped for direct replacement service and consistent fit at the crankcase ventilation connection.

Key Features

• OE-exact replacement for crankcase ventilation and emission control routing
• Gates EMH144 part number for direct identification
• Plastic construction for durability and service life
• Molded design with clip-on end types
• 10 mm and 8 mm inside diameters for the specified connections
• Centerline length: 251 mm (9.87 in)
• OE comparison rating: OE Exact
• Fits valve cover to intake tube position on listed vehicles

Product Details

The Gates Emission Control Hose line is focused on OE-style crankcase ventilation and emission routing components. EMH144 is engineered to replace the original hose layout and help restore the emission system to proper operation and performance. This part cross-references GM 12609373 for the same application.

Compatible With 2009-2019 Chevrolet Silverado 2500 HD, valve cover to intake tube; 2009-2019 Chevrolet Silverado 3500 HD, valve cover to intake tube; 2009-2019 GMC Sierra 2500 HD, valve cover to intake tube; and 2009-2019 GMC Sierra 3500 HD, valve cover to intake tube. It also covers 2009-2014 Cadillac Escalade, 2009-2014 Chevrolet Tahoe, and 2009-2014 GMC Yukon applications in the same routing position. Gates EMH144 is also listed for 2009-2019 Chevrolet Silverado 3500 and 2015-2018 Chevrolet Silverado 3500, plus 2009-2019 Chevrolet Suburban 3500 HD.

What It Helps Address

• Cracked or brittle crankcase breather hose material
• Improper emission hose routing at the valve cover to intake tube connection
• Vacuum leaks caused by worn hose ends or poor sealing
• Emission system performance issues related to damaged ventilation plumbing
• Check engine concerns tied to crankcase ventilation hose failure

Installation Notes and Tips

Verify the hose routing, end style, and inside diameters before installation. This part uses clip-on ends and is molded for the specified application, so correct alignment at the valve cover and intake tube is important. Confirm the vehicle’s year, make, model, and engine configuration against the listed fitment before ordering. For 2009-2013 Chevrolet Silverado 1500 and 2009-2013 GMC Sierra applications, check the exact emission hose routing shown on the original part.

Quality Assurance

Gates designs this emission control hose as an OE-exact replacement using high-quality materials for durability and service life. The EMH144 is intended to restore the original emission hose function on the listed GM trucks and SUVs while matching the factory-style connection points.