Vaico V10-9751 Engine Crankcase Vent Valve

Engine Crankcase Vent Valve for Audi and Volkswagen

Vaico V10-9751 is a pressure-controlled engine crankcase vent valve for the cylinder head on select Audi and Volkswagen applications. It is built with a Polyamid 6.6 housing and uses a diaphragm valve design for crankcase ventilation service on 2006-2009 vehicles in the fitment list.

VAICO product line components are developed for European vehicle service applications, with attention to OE-style fit and replacement needs for emission control systems. This part number, V10-9751, is listed for Audi A3, A4, A4 Quattro, TT, and Volkswagen Eos, GTI, Jetta, and Passat applications.

Key Features

• Pressure-controlled engine crankcase vent valve
• Diaphragm valve design
• Cylinder head mounting position
• Polyamid 6.6 housing material
• Dimensions: 188 mm length, 45.05 mm width, 84 mm height
• Supplementary article supplied without gasket/seal
• Recommended replacement interval: 60,000 km or 3 years
• Recommended accessory part number: V10-3247

Detailed Description

Vaico V10-9751 is an emission control crankcase ventilation component used to regulate pressure in the engine crankcase system. The pressure-controlled diaphragm valve is mounted at the cylinder head and is specified for select Audi A3, A4, A4 Quattro, TT, and Volkswagen Eos, GTI, Jetta, and Passat models from the 2006-2009 model years listed in the fitment data. This part number is also referenced as an OE-style replacement for several cross-listed applications, including 06F 129 101 E and 06F 129 101 G.

This part cross-references 06F 129 101 E and 06F 129 101 G for the same application. V10-9751 is a direct service option for drivers addressing crankcase ventilation maintenance on Audi A4 and Volkswagen GTI platforms, as well as other listed models.

What It Is Used For

• Restoring crankcase pressure regulation
• Addressing oil vapor routing issues in the ventilation system
• Replacing a worn diaphragm valve in the cylinder head area
• Supporting emission control system service on listed Audi and Volkswagen models
• Maintaining proper crankcase ventilation performance during scheduled replacement intervals

Installation Notes and Tips

Install at the cylinder head location specified for the vehicle application. Confirm the existing part number and compare the valve dimensions before installation. Because this listing notes “without gasket/seal,” verify whether the vehicle requires a separate sealing component. The recommended accessory part number is V10-3247, and the listed replacement interval is 60,000 km or 3 years.

Fitment includes 2006 Audi A4 and A4 Quattro; 2006-2008 Audi A3, Volkswagen GTI, Volkswagen Jetta, and Volkswagen Passat; 2007 Audi A4; 2007-2009 Audi A4 Quattro and Volkswagen Eos; and 2008 Audi TT. For Audi A4 and Volkswagen GTI service searches, use the part number V10-9751 to confirm the correct crankcase vent valve application.

Quality Assurance

VAICO identifies this component as a pressure-controlled diaphragm valve with a Polyamid 6.6 housing for emission control service. The part is specified with defined dimensions and replacement guidance to support accurate maintenance planning for the listed Audi and Volkswagen vehicles.