Gates EMH704 Engine Crankcase Breather Hose - PCV Valve To Intake

OE-Exact Crankcase Breather Hose

Gates EMH704 is an OE-exact engine crankcase breather hose for the emission control and crankcase ventilation system. It restores the hose connection between the PCV valve and intake on supported Buick, Chevrolet, and Pontiac applications, including Chevrolet Impala and Malibu fitments.

The Gates Emission Control Hose line focuses on replacement hoses built from durable materials for service life and proper system operation. EMH704 uses a plastic construction with clip-on and push-in end types for a direct replacement style installation.

Key Features

• OE-exact replacement for the crankcase ventilation and emission control hose
• Plastic construction for application-specific fit and routing
• Clip-on and push-in end types
• Inside diameter: 7 mm (.3 in.)
• Centerline length: 318 mm (12.5 in.)
• Fits the PCV valve to intake hose location
• Gates part number EMH704

Detailed Description

Gates EMH704 is engineered as a direct replacement emission control hose for vehicles using a PCV valve to intake connection. It is built to match OE-style dimensions and routing requirements, helping maintain proper crankcase ventilation and emission system function. This part is listed for 2006-2011 Chevrolet Impala, 2007 Chevrolet Malibu, and other supported Buick, Chevrolet, and Pontiac applications. This part cross-references Standard Ignition V817 for the same application.

As part of the Gates Emission Control Hose line, EMH704 is intended for buyers who need a replacement hose that follows the original configuration closely. The part number EMH704 is also referenced in interchange listings for OE-style service replacement.

What It Is Used For

• Replacing a cracked or deteriorated PCV valve to intake hose
• Restoring crankcase ventilation flow
• Addressing emission system leaks at the hose connection
• Correcting vacuum loss caused by a damaged breather hose
• Repairing fitment-specific hose routing on supported GM vehicles

Installation Notes and Tips

Verify the hose routing, end style, and centerline length before installation. EMH704 uses clip-on and push-in ends, so the connection points should be inspected for wear, debris, or damage before the new hose is installed. Confirm the vehicle’s PCV valve to intake layout matches the listed fitment before ordering.

Quality Assurance

Gates builds this emission control hose as an OE-exact replacement using high-quality materials for durability and service life. The Gates EMH704 is intended to restore the emission system to proper operation on listed applications.

Compatible Vehicles

• Fits 2009-2011 Buick Lucerne, PCV Valve To Intake
• Fits 2006-2011 Chevrolet Impala, PCV Valve To Intake
• Fits 2007-2010 Pontiac G6, PCV Valve To Intake
• Fits 2006-2008 Chevrolet Uplander, PCV Valve To Intake
• Fits 2007 Chevrolet Malibu, PCV Valve To Intake
• Fits 2006-2007 Chevrolet Monte Carlo, PCV Valve To Intake