Gates EMH990 Engine Crankcase Vent Valve - PCV Valve

Gates EMH990 Crankcase Vent Valve

The Gates EMH990 crankcase vent valve is an OE-exact replacement for vehicles equipped with a PCV valve in the emission control system. Built from plastic with a 12 mm (0.47 in.) inside diameter and a single hose connector, it supports a precise fit and straightforward installation on select Ford applications.

For Ford F-150, Mustang, E-Series vans, Super Duty trucks, and Crown Victoria models, this Gates crankcase vent valve helps restore proper crankcase ventilation performance. The EMH990 is part of Gates’ Crankcase Vent Valve line, which focuses on exact-fit replacement parts for emission ventilation service.

Key Features

• OE-exact crankcase ventilation pressure regulator / PCV valve replacement
• Plastic construction for application-specific fitment
• 12 mm (0.47 in.) inside diameter
• Single hose connector design
• Includes PCV valve component
• Direct replacement for Gates EMH990

Detailed Description

The Gates EMH990 is an engine crankcase vent valve used in emission control systems to help regulate crankcase pressure and maintain proper ventilation flow. It is engineered for exact fitment on select Ford F-150, Mustang, E-150, E-250, E-350 Super Duty, F-250 Super Duty, F-350 Super Duty, Econoline Van, Econoline Wagon, and Crown Victoria applications. This part cross-references 7L3Z 6A666 A for the same application.

By matching OE-style dimensions and connector layout, this PCV valve replacement supports a clean installation and helps return the ventilation system to normal operating performance. The EMH990 is a practical choice when servicing a Ford crankcase ventilation system that uses a 12 mm hose connection.

Vehicle Fitment

• Fits 2019-2020 Ford F-150, PCV Valve; Crankcase Vent Valve
• Fits 2010-2014 Ford F-150, PCV Valve; Crankcase Vent Valve
• Fits 2015-2020 Ford Mustang, PCV Valve; Crankcase Vent Valve
• Fits 2007-2018 Ford E-350 Super Duty, PCV Valve; Crankcase Vent Valve
• Fits 2011-2018 Ford F-250 Super Duty, PCV Valve; Crankcase Vent Valve
• Fits 2011-2018 Ford F-350 Super Duty, PCV Valve; Crankcase Vent Valve
• Fits 2011-2016 Ford F-350, PCV Valve; Crankcase Vent Valve
• Fits 2007-2014 Ford E-150, PCV Valve; Crankcase Vent Valve
• Fits 2007-2014 Ford E-250, PCV Valve; Crankcase Vent Valve
• Fits 2013-2014 Ford Econoline Van, PCV Valve; Crankcase Vent Valve
• Fits 2010-2014 Ford Econoline Wagon, PCV Valve; Crankcase Vent Valve
• Fits 2010-2011 Ford Crown Victoria, PCV Valve; Crankcase Vent Valve
• Fits 2007-2008 Ford E-150 Econoline, PCV Valve; Crankcase Vent Valve
• Fits 2007-2008 Ford E-350 Econoline, PCV Valve; Crankcase Vent Valve

Common Issues This Part Addresses

• Crankcase ventilation system pressure irregularities
• PCV valve replacement during emission system service
• Worn or damaged vent valve housing on select Ford engines
• Fitment problems caused by non-OE-style replacement parts
• Restoration of proper ventilation flow in the crankcase system

Installation Notes and Tips

Verify the hose connector size and OE reference before installation to confirm the correct application. Inspect the surrounding crankcase ventilation hoses and fittings for wear, cracking, or buildup before installing the new valve. On Ford F-150, Mustang, and Super Duty applications, confirm the valve orientation matches the original part location for proper routing.

Quality Assurance

Gates manufactures this crankcase vent valve as an OE-exact replacement part for emission ventilation service. The EMH990 is built to match the intended fit and function for the listed Ford applications, supporting reliable service life in the crankcase ventilation system.