Standard Ignition V734 PCV Valve

PCV Valve for Audi V8 Applications

Standard Ignition V734 is a bolt-on PCV valve for select Audi crankcase ventilation systems. It uses a straight nipple, male end, and included O-ring for a direct replacement on covered applications such as Audi S5, A6 Quattro, A8 Quattro, R8, and RS4 models.

Key Features

• Bolt-on attachment method for secure installation
• Straight nipple orientation for factory-style routing
• Male end configuration
• O-ring included for sealing at the mounting point
• No hose connector included
• No mounting hardware included

Detailed Description

This Standard Ignition V734 PCV valve is built for emission control and crankcase ventilation service on select Audi performance and luxury vehicles. It is a direct-fit style component for applications that use a bolt-on valve with a straight nipple and integrated O-ring seal. This part cross-references URO 079103464F for the same application. Fits 2008-2012 Audi S5, N/A; Fits 2007-2011 Audi A6 Quattro, N/A; Fits 2007-2010 Audi A8 Quattro, N/A; Fits 2008-2010 Audi R8, N/A; Fits 2007-2008 Audi RS4, N/A. Standard Ignition V734 is a practical replacement choice when servicing the PCV system on Audi S5 and Audi A6 Quattro platforms, as well as other listed models.

Common Issues This Part Can Address

• Crankcase pressure buildup from a worn PCV valve
• Oil vapor control problems in the ventilation system
• Rough idle related to PCV flow issues
• Vacuum leaks at the valve mounting point
• Check engine light concerns tied to crankcase ventilation faults

Installation Notes and Tips

Verify the original valve style, nipple orientation, and mounting layout before installation. Inspect the sealing surface and replace any damaged gasket area as needed. Because mounting hardware and hose connector are not included, reuse or source the required vehicle-specific components during service. Confirm fitment against the exact year and model listed for your Audi S5, A6 Quattro, A8 Quattro, R8, or RS4 application.

Quality Assurance

Standard Ignition manufactures replacement ignition and engine management components for service applications, and V734 is cataloged for the listed Audi fitments with an included O-ring for proper sealing.