Vaico V10-2517 PCV Valve

VAICO V10-2517 PCV Valve Overview

The VAICO V10-2517 is a pressure-controlled breather valve for the crankcase ventilation system. Built with a Polyamid 6.6 housing, it is specified for select Audi A4, Audi A4 Quattro, and Volkswagen Passat applications from 2003 to 2005.

VAICO’s VAICO line focuses on OE-style replacement parts for European vehicles, and this PCV valve follows that approach with application-specific fitment and material selection for crankcase ventilation service.

Key Features

• Pressure-controlled PCV breather valve for crankcase ventilation service
• Polyamid 6.6 housing for durable underhood use
• Dimensions: 60 mm height, 55 mm length, 24 mm width
• Fits 2003 Audi A4, 2003 Audi A4 Quattro, and 2003-2005 Volkswagen Passat
• Recommended replacement interval: 60,000 km or 3 years
• VAICO part number V10-2517 for direct catalog lookup

Detailed Description

The VAICO V10-2517 PCV valve regulates crankcase pressure through a pressure-controlled breather valve design. In the crankcase ventilation system, stable valve operation helps maintain proper airflow routing and supports the engine’s emission control system. This part is listed for 2003 Audi A4, 2003 Audi A4 Quattro, and 2003-2005 Volkswagen Passat applications, including Audi A4 fitment with chassis/VIN 8E-3-040 001 and later, where noted in the catalog data. The VAICO V10-2517 is also referenced under OE-style interchange numbers for cross-checking during parts selection.

This part cross-references Standard Ignition V430 for the same application.

What It Helps Address

• Excess crankcase pressure
• Unstable crankcase ventilation flow
• Oil vapor routing issues in the breather system
• Emission control faults related to PCV operation
• Service replacement for worn breather valve components

Installation Notes and Tips

Verify engine code, chassis/VIN breakpoints, and existing hose routing before ordering. For Audi A4 and Audi A4 Quattro applications, confirm the VIN note listed in the catalog data to ensure correct fitment. Inspect the surrounding crankcase breather hoses and connectors for wear, oil saturation, or cracking before installing the new valve. Replace related ventilation components if they show signs of restriction or damage.

Quality Assurance

VAICO supplies OE-style replacement parts for European vehicle applications, and this V10-2517 valve is cataloged with application-specific dimensions and material details to support accurate parts matching. Follow the recommended replacement interval of 60,000 km or 3 years when planning maintenance for the crankcase ventilation system.