Gates EMH306 Engine Crankcase Breather Hose - Valve Cover To Intake

Gates EMH306 Crankcase Breather Hose

The Gates EMH306 is an OE-exact engine crankcase breather hose for emission control service. Built from rubber with molded, push-in ends, it restores the crankcase ventilation path between the valve cover and intake on select Nissan applications.

Key Features

• OE-exact replacement for emission control and crankcase ventilation routing
• Rubber construction for durability and service life
• Molded hose design with push-in ends on both sides
• 10 mm inside diameter at each end
• 5.75 in. centerline length for the specified factory routing
• OE comparison rating: OE Exact

Product Details

Gates EMH306 is part of the Emission Control Hose line, focused on direct-fit replacement hoses for crankcase ventilation and related emission system service. This hose is engineered to match the original routing and connection style, helping maintain proper airflow between the valve cover and intake. It is a direct replacement for Nissan part number 11826ZA010 and cross-references Gates EMH306 for the same application.

Compatible With 2004-2009 Nissan Quest, Valve Cover To Intake; 2004-2008 Nissan Maxima, Valve Cover To Intake; and 2003-2006 Nissan Altima, Valve Cover To Intake. Search terms such as Nissan Quest valve cover to intake breather hose, Nissan Maxima crankcase ventilation hose replacement, and Nissan Altima emission control hose replacement all point to this application.

What It Helps Address

• Cracked or hardened crankcase breather hose
• Vacuum leaks in the valve cover to intake hose path
• Improper crankcase ventilation routing
• Emission system performance issues caused by hose deterioration
• Fitment problems from a hose that no longer matches the factory shape

Installation Notes

Verify the hose routing, end style, and 10 mm inside diameter before installation. The molded shape and push-in ends are intended to match the original layout on the listed Nissan Quest, Maxima, and Altima applications. Inspect adjoining fittings and the intake connection for wear or buildup before installing the new hose.

Quality Assurance

Gates builds this emission control hose from high-quality materials and to OE-exact specifications to support long service life and proper system operation.