Gates EMH315 Engine Crankcase Breather Hose - Valve Cover To Intake

Gates EMH315 Crankcase Breather Hose

The Gates EMH315 is an OE-exact engine crankcase breather hose for emission control service. Built from rubber and formed to the correct centerline length and inside diameter, it restores the crankcase ventilation path between the valve cover and intake on select Nissan applications.

For drivers searching for a Nissan Altima valve cover to intake emission control hose, this replacement is built to match the original routing and connection style. The Gates EMH315 helps return the emission system to proper operation on 2013-2018 Nissan Altima models.

Key Features

• OE Exact replacement for factory-style fit and routing
• Rubber construction for durability and service life
• Inside diameter: 10 mm (.4 in.)
• Centerline length: 216 mm (8.5 in.)
• Push-in end type for direct connection
• Designed for crankcase ventilation and emission control service
• Gates EMH315 part number for easy identification

Detailed Description

The Gates Emission Control Hose line is focused on OE-exact replacement parts for emission and crankcase ventilation systems. The EMH315 is shaped and sized to match the original hose specification, helping maintain the intended airflow path from the valve cover to the intake. This makes it a practical choice for a 2013-2018 Nissan Altima crankcase breather hose replacement when the original hose is cracked, hardened, or no longer sealing properly. Cross-reference part number: 118263TA0B.

What It Helps Fix

• Cracked or brittle crankcase breather hose
• Vacuum leaks at the valve cover-to-intake hose connection
• Emission system flow issues caused by hose deterioration
• Rough idle or drivability concerns related to unmetered air leaks
• Oil vapor routing problems in the crankcase ventilation circuit

Installation Notes and Tips

Verify the hose routing, end style, and dimensions before installation. The push-in design should seat fully at both connection points, and the mating surfaces should be clean and free of debris. This part is listed for the valve cover to intake position on 2013-2018 Nissan Altima models, so confirm the original hose layout matches the vehicle before replacement.

Quality Assurance

Gates builds this emission control hose as an OE-exact replacement using high-quality materials for durability and service life. The EMH315 is intended to restore the emission system to its original operating condition on the specified Nissan Altima applications.