Standard Ignition V421 PCV Valve

Overview of Standard Ignition PCV Valve V421

The Standard Ignition PCV Valve V421 is designed to maintain proper crankcase ventilation in select Ford, Lincoln, Mazda, and Mercury vehicles. This screw-on valve ensures efficient emission control and helps keep your engine running smoothly by regulating the flow of gases from the crankcase.

• Screw-on attachment method for secure installation
• Female connector with a square shape for precise fit
• Single connector and hose connector for streamlined connection
• Compatible with 5/8 inch (16 mm) hose size
• Straight nipple orientation for straightforward hose routing
• Two male blade terminals for reliable electrical connection

Detailed Product Description

The Standard Ignition PCV Valve V421 is engineered to meet OEM specifications for emission control systems in vehicles such as the Ford Explorer, Mazda CX-9, Lincoln MKZ, and Mercury Mountaineer. Featuring a screw-on attachment method, this valve provides a secure and leak-free fit. The female connector with a square shape ensures compatibility with the vehicle’s existing harness, while the single connector and hose connector simplify installation. Designed for a 5/8 inch (16 mm) hose, the valve’s straight nipple orientation allows for easy hose connection without kinking. The two male blade terminals provide a stable electrical interface, supporting consistent valve operation under various engine conditions.

Compatible Vehicles and Applications

This PCV valve is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, including but not limited to:

• Ford Explorer, Edge, Escape, Mustang, Ranger, Taurus, Freestar, Fusion, Explorer Sport Trac
• Lincoln MKX, MKZ, Aviator
• Mazda CX-9
• Mercury Mariner, Milan, Mountaineer, Sable, Taurus X

Common Issues Addressed by PCV Valve V421

• Prevents excessive crankcase pressure buildup
• Reduces oil leaks and sludge formation
• Improves engine performance by regulating ventilation
• Helps maintain proper emissions control compliance
• Minimizes rough idling and stalling caused by faulty PCV valves

Installation Notes and Tips

• Ensure the hose size matches the 5/8 inch (16 mm) specification for proper fit
• Use the screw-on method to securely attach the valve to the crankcase ventilation system
• Verify the orientation of the straight nipple to avoid hose kinks
• Check electrical connections for the two male blade terminals to ensure proper function
• Consult vehicle-specific service manuals for torque specifications and installation procedures

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The PCV Valve V421 undergoes rigorous quality control testing to maintain consistent functionality. Warranty coverage details should be confirmed based on the original purchase source and vehicle application.