Vaico V10-4638 PCV Valve

VAICO PCV Valve for Volkswagen and Audi Applications

The VAICO V10-4638 is a pressure-controlled PCV breather valve for crankcase ventilation service on select Volkswagen and Audi models. Built with a Polyamid 6.6 housing and compact 24 mm x 40 mm x 24 mm dimensions, it is specified for direct replacement use in emission control and crankcase ventilation system repairs.

Key Features

• Pressure-controlled breather valve for crankcase ventilation service
• Polyamid 6.6 housing for durable under-hood use
• Compact size: 24 mm height, 40 mm length, 24 mm width
• Recommended replacement interval: 60,000 km or 3 years
• VAICO V10-4638 for OE-style service on select Audi and Volkswagen vehicles

Product Details

VAICO VAICO V10-4638 is a PCV valve used in the crankcase ventilation system to manage pressure control and breather function. This part is listed for applications including the Volkswagen Beetle, Jetta, Golf, Passat, and Audi A4, A4 Quattro, A6 Quattro, S4, S6, RS6, TT, and TT Quattro with OE reference 035103245A. It also cross-references Standard Ignition V417 for the same application. The VAICO product line is used for OE-style replacement parts that match the original service requirements of the vehicle platform.

What It Helps Address

• Crankcase pressure buildup
• Rough idle related to ventilation faults
• Oil vapor control issues in the breather system
• Check engine concerns tied to PCV or breather valve failure
• Oil seepage caused by restricted crankcase ventilation

Installation Notes and Tips

Verify OE number 035103245A and confirm vehicle-specific fitment before installation. Fits 1995-1997 Audi S6, N/A; Fits 1997-2000 Audi A4, N/A; Fits 1997-2000 Audi A4 Quattro, N/A; Fits 1998-2000 Volkswagen Passat, N/A; Fits 1999-2005 Volkswagen Beetle, N/A; Fits 1999 Volkswagen Passat, N/A; Fits 2000-2001 Audi A6 Quattro, N/A; Fits 2000-2001 Audi S4, N/A; Fits 2000-2001 Volkswagen Golf, N/A; Fits 2000-2001 Volkswagen Passat, N/A; Fits 2000-2002 Audi TT, N/A; Fits 2000-2002 Audi TT Quattro, N/A; Fits 2000-2003 Volkswagen Jetta, N/A; Fits 2001-2002 Audi A4, N/A; Fits 2001-2002 Audi A4 Quattro, N/A; Fits 2002 Audi S4, N/A; Fits 2002 Volkswagen Jetta, N/A; Fits 2002 Volkswagen Passat, N/A; Fits 2003-2004 Audi RS6, N/A; Fits 2003 Audi A4, N/A; Fits 2003 Audi A4 Quattro, N/A; Fits 2004 Volkswagen Jetta, N/A. Follow the vehicle service procedure for the crankcase ventilation system and inspect related hoses and seals during replacement.

Quality Assurance

VAICO V10-4638 is built for OE-reference service applications and is specified with a pressure-controlled operating mode for consistent crankcase ventilation function. Its recommended service interval is 60,000 km or 3 years, supporting routine maintenance planning for Audi A4, Volkswagen Jetta, and related platforms.