Gates EMH016 Engine Crankcase Breather Hose - Valve Cover To Throttle Body

OE-Exact Crankcase Breather Hose

Gates EMH016 is an OE-exact engine crankcase breather hose for the emission control system. Built from plastic and rubber, it is made to restore proper crankcase ventilation routing and maintain the original hose path from the valve cover to the throttle body.

Compatible With 2012-2013 Chevrolet Impala and 2014-2016 Chevrolet Impala Limited, this Gates emission control hose follows the factory-style fitment and connection style needed for a direct replacement. The EMH016 part number is also referenced for service lookup as Gates EMH016.

Key Features

• OE Exact grade for factory-style replacement fit and function
• Constructed from plastic and rubber for durability and service life
• Designed for crankcase ventilation and emission control routing
• Clip-on and push-in end types for the specified application
• Protective sleeve included for added hose protection
• Fits the valve cover to throttle body position on listed Chevrolet applications

Product Details

Gates Emission Control Hose EMH016 is part of the Gates Emission Control Hose line, focused on replacement hoses that match original equipment dimensions and connection points. This hose is built to restore the emission system’s intended airflow path and help maintain proper crankcase ventilation performance. The listed inside diameter measurements and centerline length support the OE-style routing used on the Chevrolet Impala and Impala Limited applications shown here.

This part cross-references GM OE numbers 12634311 and 12655730 for the same application.

What It Helps Address

• Cracked or deteriorated crankcase breather hose material
• Improper crankcase ventilation routing
• Emission system leaks at the valve cover to throttle body hose path
• Loss of factory-style hose fitment after replacement
• Vacuum or airflow issues related to a damaged emission hose

Installation Notes

Install EMH016 in the valve cover to throttle body location specified for the vehicle. Confirm the end types match the original connection points before installation, and inspect adjoining fittings for wear, debris, or damage that could affect sealing. Verify the hose routing follows the factory path to avoid kinks or tension at the connections.

Quality Assurance

Gates manufactures this emission control hose as an OE-exact replacement intended to match original equipment specifications for fit and service life. The design and material selection support dependable operation in the crankcase ventilation system.