Gates EMH699 Engine Crankcase Breather Hose - PCV Valve To Intake

Gates EMH699 Crankcase Breather Hose

The Gates EMH699 is an OE-exact engine crankcase breather hose for the emission control system. Built from rubber for durability, it restores the PCV-to-intake connection on supported GM and Saab applications with the correct push-in end style and factory-style dimensions.

Gates Emission Control Hose products focus on direct replacement fit and consistent service life. The EMH699 follows the original hose layout for the crankcase ventilation path, helping maintain proper emission system routing on vehicles such as the Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x.

Key Features

• OE Exact grade replacement hose for crankcase ventilation and emission control service
• Rubber construction for everyday underhood durability
• 0.5 in. inside diameter and 7 in. centerline length
• Push-in end type for factory-style connection points
• Direct replacement for PCV valve to intake routing
• Cross-reference part number: 12575660

Detailed Description

The Gates EMH699 emission hose is engineered to replace the original crankcase breather hose used between the PCV valve and intake. Its OE-exact design supports proper hose routing and fitment, making it a practical choice for restoring emission system function on the correct application. This part number EMH699 is listed for 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2005-2009 Saab 9-7x, 2003-2008 Isuzu Ascender, 2004-2007 Buick Rainier, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, and 2002-2004 Oldsmobile Bravada.

What It Helps Address

• Cracked or hardened crankcase breather hose material
• Loose or leaking PCV valve to intake hose connections
• Emission system routing problems caused by a damaged hose
• Vacuum leaks related to deteriorated crankcase ventilation plumbing
• Restoration of factory-style hose fit on supported GM and Saab vehicles

Installation Notes and Tips

• Verify the hose route from the PCV valve to the intake before installation.
• Inspect the mating ports for wear, oil residue, or debris that could affect sealing.
• Confirm the push-in ends seat fully at both connection points.
• Compare the original hose shape and length to the EMH699 before removal.
• Use the vehicle application details to confirm the correct engine crankcase breather hose for your model.

Quality Assurance

Gates builds this emission control hose as an OE-exact replacement using high-quality materials for service life and fit consistency. The EMH699 is intended to restore the emission system to proper operation on the listed applications.