Vaico V10-3031 Engine Crankcase Vent Valve

Engine Crankcase Vent Valve for Audi and Volkswagen

The Vaico V10-3031 engine crankcase vent valve regulates crankcase pressure in the emission control system and supports proper breather function. Built with a pressure-controlled operating mode, it is a direct-fit service part for select Audi and Volkswagen applications, including Audi S6, Audi Q7, Audi S8, and Volkswagen Touareg models.

Key Features

• Pressure-controlled breather valve for crankcase ventilation service
• Housing material: Polyamid 6.6 for durable underhood use
• Seal material: FPM (fluoride rubber) / ACM (polyacrylate rubber)
• Includes seal ring
• Dimensions: 68 mm height, 200 mm length, 144 mm width
• Recommended replacement interval: 60,000 km or 3 years
• Vaico V10-3031 for select Audi and Volkswagen crankcase ventilation applications

Detailed Description

The Vaico VAICO V10-3031 is an engine crankcase vent valve used in the emission control and crankcase ventilation system to manage pressure and maintain proper breather operation. Its pressure-controlled design, Polyamid 6.6 housing, and FPM/ACM sealing materials are specified for service use in select Audi S6, Audi Q7, Audi S8, and Volkswagen Touareg applications. This part cross-references OE-style part numbers 079 103 464 D and 79 103 464 D for the same application.

VAICO product line components are built for vehicle-specific service replacement, and this crankcase breather valve follows that approach with application-focused dimensions and sealing details. The Vaico V10-3031 is a practical replacement choice when servicing the crankcase ventilation system on compatible Audi and Volkswagen vehicles.

What It Helps Address

• Crankcase pressure regulation issues
• Breather valve malfunction in the ventilation system
• Oil vapor control concerns related to crankcase ventilation
• Seal wear at the valve connection point
• Service replacement needs at the recommended interval

Installation Notes and Tips

Verify the OE part number, dimensions, and valve type before installation. Confirm the seal ring is seated correctly and inspect the surrounding crankcase ventilation hoses and connections for wear or contamination during service. For maintenance planning, Vaico recommends replacement at 60,000 km or 3 years.

Quality Assurance

Built by Vaico for emission control and crankcase ventilation service applications, this valve is specified with durable housing and sealing materials for vehicle maintenance use. Confirm fitment against the listed Audi S6, Audi Q7, Audi S8, and Volkswagen Touareg model years before ordering.

• Fits 2007-2011 Audi S6, N/A
• Fits 2007-2010 Audi Q7, N/A
• Fits 2007-2009 Audi S8, N/A
• Fits 2008-2009 Volkswagen Touareg, N/A