Gates EMH912 Engine Crankcase Vent Valve - Oil Separator

Gates EMH912 Crankcase Vent Valve

The Gates EMH912 is an OE-exact crankcase vent valve and oil separator assembly for emission control service. It is built with a plastic housing for direct replacement fitment and straightforward installation on supported Volkswagen and Audi applications.

Use this Gates crankcase ventilation pressure regulator to restore proper crankcase ventilation performance on vehicles such as the Volkswagen GTI, Volkswagen Tiguan, and Audi A3. The EMH912 is engineered to match the original part’s fit and function for a clean service replacement.

Key Features

• Brand: Gates Crankcase Vent Valve
• Part number: EMH912
• OE-exact replacement for crankcase ventilation service
• Plastic construction
• Includes oil separator and engine crankcase vent valve
• Two hose connectors for the listed application
• Inside diameters: 18 mm (0.715 in) and 10 mm (0.41 in)

Product Details

Gates EMH912 is part of the brand’s crankcase ventilation line, which includes pressure regulators, PCV valves, and oil separators built to restore emission ventilation system operation to original performance levels. This part is designed for direct fitment on a wide range of Volkswagen and Audi models, including 2009-2017 Volkswagen CC, 2009-2017 Volkswagen Tiguan, 2008-2013 Audi A3, and 2009-2014 Volkswagen GTI. The EMH912 also cross-references Genuine 06H103495AH and Rein ABH0219 for the same application.

What It Helps Address

• Crankcase ventilation faults related to a worn or failed vent valve
• Oil separator service needs in the emission control system
• Excess crankcase pressure from a restricted ventilation path
• Rough idle or drivability concerns tied to PCV system issues
• Oil vapor management problems in supported Volkswagen and Audi engines

Installation Notes and Tips

Verify the vehicle’s engine designation and build date before ordering, especially for 2012 Audi A4, A4 Quattro, A5, and A5 Quattro applications noted as Mar. 31 and older. Confirm hose connector size and routing against the original part before installation. This part fits 2009-2017 Volkswagen Tiguan, Oil Separator; 2008-2013 Audi A3, Oil Separator; and 2009-2014 Volkswagen GTI, Oil Separator, among other listed applications.

Quality Assurance

Gates supplies OE-exact emission control components intended to match original fit and restore ventilation system operation on the listed vehicles. Part number EMH912 is built for direct replacement service across the confirmed Volkswagen and Audi fitments shown above.