Gates EMH987 Engine Crankcase Vent Valve - PCV Valve

Gates Crankcase Vent Valve for Subaru Applications

The Gates EMH987 crankcase vent valve is an OE-exact replacement built for precise fitment and straightforward installation. It restores crankcase ventilation control to proper operating levels for select Subaru Impreza, WRX, and Forester models.

Built from plastic with a 6 mm inside diameter and a single hose connector, this PCV valve is made to match the original configuration for the listed applications. Gates EMH987 is a direct-fit service part for drivers looking to address crankcase ventilation concerns on Subaru Impreza, Subaru WRX, and Subaru Forester models.

Key Features

• OE-exact crankcase vent valve design
• Plastic construction
• 6 mm inside diameter
• Single hose connector layout
• Includes PCV valve content as listed
• Direct replacement for Gates EMH987

Product Details

Gates EMH987 is part of the Gates Crankcase Vent Valve line, which focuses on OE-style crankcase ventilation pressure regulators, PCV valves, and oil separators. The goal of this product line is accurate fitment and reliable restoration of emission ventilation system function. For Subaru Impreza and Subaru WRX owners, as well as Forester applications, this part number provides a direct replacement path when the original crankcase vent valve needs service.

This part cross-references Subaru 11810AA120 for the same application.

What It Helps Address

• Crankcase ventilation flow irregularities
• Excessive crankcase pressure
• Oil vapor control issues
• Emission ventilation system performance concerns
• Fitment problems caused by worn or incorrect PCV valve components

Installation Notes

Verify the vehicle year, engine application, and listed notes before installation. Compatible With 2012-2014 Subaru Impreza, PCV Valve; 2012-2014 Subaru WRX, PCV Valve; 2011-2013 Subaru Forester, PCV Valve; 2009-2011 Subaru Impreza, PCV Valve, Eng. No. 5792109 & After; and 2010 Subaru Forester, PCV Valve, Eng. No. 5792109 & After. Confirm the 6 mm hose connection and replace the valve using the original routing and mounting points for the application.

Quality Assurance

Gates manufactures this crankcase vent valve as an OE-exact replacement part for the listed Subaru applications. The EMH987 part number is engineered to match original fit and function for emission ventilation service.