Standard Ignition V391 PCV Valve

PCV Valve for Ford and Lincoln Applications

Standard Ignition V391 is a direct-fit PCV valve built for select Ford, Lincoln, and Mercury vehicles. It uses a high-grade plastic body, a Viton seal, and OE-style electrical connectors to support a secure connection and stable crankcase ventilation performance.

Key Features

• Direct attachment method for OE-style installation
• Female connector with square plug/socket design
• Male blade terminals with OE-quality connector construction
• High-grade industrial plastic resists oil exposure and engine heat
• Machined locating tab helps ensure precise fit and locking engagement
• Viton O-ring provides oil resistance and heat resistance from -15 to 400 degrees F

Detailed Product Overview

This Standard Ignition V391 PCV valve is engineered for crankcase ventilation service where a tight seal and accurate fit matter. The molded housing is designed to handle oil contact and elevated engine temperatures, while the Viton O-ring helps maintain a dependable seal under hot-running conditions. OE-style connector and terminal construction supports a secure harness connection and consistent conductivity. This part cross-references EV273 and PCV533 for the same application.

Vehicle Fitment

• Fits 2006-2011 Lincoln Town Car, N/A
• Fits 2005-2010 Ford Mustang, N/A
• Fits 2006-2009 Ford Fusion, N/A
• Fits 2006-2009 Mercury Milan, N/A, L Shape
• Fits 2005-2008 Ford F-150, N/A
• Fits 2005-2007 Ford Five Hundred, N/A, w/ Heated Valve
• Fits 2004-2007 Ford Freestar, N/A
• Fits 2006-2007 Ford Freestyle, N/A, w/ Heated Valve
• Fits 2006-2007 Ford Taurus, N/A
• Fits 2006-2007 Mercury Montego, N/A, L Shape
• Fits 2006 Ford Crown Victoria, N/A, w/o Harness
• Fits 2006 Lincoln Zephyr, N/A
• Fits 2005-2006 Mercury Grand Marquis, N/A
• Fits 2005 Ford Crown Victoria, N/A
• Fits 2004-2005 Ford Taurus, N/A, w/ Heated Valve
• Fits 2004-2005 Lincoln Town Car, N/A, w/ Heated Valve
• Fits 2005 Mercury Sable, N/A, L Shape

Common Issues This Part Can Address

• Crankcase ventilation flow problems caused by a worn or sticking valve
• Oil vapor control issues from a hardened or leaking seal
• Poor electrical connection at the valve harness interface
• Fitment concerns when replacing an OE-style heated or shaped valve
• Heat-related seal deterioration in high-temperature engine operation

Installation Notes and Tips

Verify the connector shape, terminal style, and application notes before installation. This V391 PCV valve uses a direct attachment method and OE-style plug/socket connection, so matching the original harness and valve configuration is important. Confirm whether your vehicle requires a heated valve, L-shape configuration, or harness-specific setup before ordering. Standard Ignition V391 is commonly selected for Ford Mustang, Ford F-150, and Lincoln Town Car applications listed above.

Quality Assurance

Standard Ignition builds this PCV valve with OE-quality connector and terminal construction, a machined locating tab for precise engagement, and a Viton seal for heat and oil resistance. The design focuses on fit, sealing, and electrical connection consistency for the listed Ford, Lincoln, and Mercury applications.