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Standard Ignition V579 PCV Valve

Brand	Standard Ignition V579
Attachment Method	Direct
Connector Gender	No Connector
Hose Size - mm	14 mm
Nipple Orientation	Angled
Fits	Volkswagen and Audi · 7 vehicles

Direct attachment. Simplifies installation with a direct-fit design.

Plastic construction. Lightweight material with a black finish for a clean look.

Angled nipple design. Helps route hoses neatly in tight spaces.

Cross-references Standard Ignition V579, 2-9721 and 06B103245 for the same application. See all 4.

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PCV Valve for Volkswagen Passat and Audi A4

Standard Ignition V579 is a direct-attachment PCV valve for crankcase ventilation service on select Volkswagen and Audi applications. It uses a black plastic body with an angled nipple orientation and two hose connectors for a direct replacement on the listed vehicles.

Key Features

Direct attachment PCV valve for crankcase ventilation repair
Black plastic construction
Angled nipple orientation for hose routing
Two hose connectors with 14 mm hose size
0.38 in. inlet diameter (9.652 mm)
No cap, gaskets, connector, or mounting brackets included

Detailed Description

Standard Ignition V579 is built for crankcase ventilation service on 2003-2005 Volkswagen Passat, 2002-2003 Audi A4, and 2002-2003 Audi A4 Quattro applications. This PCV valve helps maintain proper crankcase ventilation flow and replaces the original valve on the listed engine configurations. The V579 part number is also referenced by 2-9721 and 06B103245 for the same application.

What It Is Used For

Replacing a worn or failed PCV valve
Restoring crankcase ventilation flow
Addressing rough idle caused by ventilation system faults
Correcting oil vapor routing issues in the crankcase ventilation system
Resolving vacuum-related drivability concerns tied to PCV operation

Installation Notes and Tips

Verify hose size, inlet diameter, and nipple orientation before installation. This Standard Ignition V579 valve uses direct attachment and two hose ports, so confirm the routing matches the original part on your Volkswagen Passat, Audi A4, or Audi A4 Quattro application. Inspect connected hoses for cracks, soft spots, or oil saturation before installing the replacement valve.

Quality Assurance

Standard Ignition supplies replacement ignition and emission control components for service applications, and this PCV valve is built to match the listed fitment and connection style for the specified vehicles.

This part fits 7 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Position	Notes
2005	Volkswagen	Passat	1.8L	L4	N/A	Valve
2004	Volkswagen	Passat	1.8L	L4	N/A	Valve
2003	Audi	A4	1.8L	L4	N/A	Valve; 2 Ports
2003	Audi	A4 Quattro	1.8L	L4	N/A	Valve; 2 Ports
2003	Volkswagen	Passat	1.8L	L4	N/A	Valve
2002	Audi	A4	1.8L	L4	N/A	Valve; 2 Ports
2002	Audi	A4 Quattro	1.8L	L4	N/A	Valve; 2 Ports
No rows match your filter.

Directly replaces or cross-references 4 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Standard Ignition — V5792-972106B103245PCV721