Standard Ignition VVT172 Engine Variable Valve Timing (VVT) Solenoid

Reliable Engine Variable Valve Timing Solenoid for Subaru Models

The Standard Ignition VVT172 Engine Variable Valve Timing (VVT) Solenoid is designed to provide precise control of valve timing in select Subaru vehicles. Engineered for compatibility with Subaru Forester, Legacy, and WRX STI models, this 12-volt electromagnetic solenoid ensures efficient engine performance and responsiveness.

• Voltage: 12V for optimal electrical compatibility
• Activation Type: Electromagnetic for accurate valve timing control
• Terminal Type: Blade terminals with male terminals and female connector
• Connector: Single rectangular plug/socket connector with 2 pins
• Housing: Durable metal and plastic construction with 25mm length
• Dimensions: 82.1mm height, 25mm overall width, 18mm shaft diameter
• Mounting hardware and gaskets not included

Technical Details and Compatibility

The Standard Ignition VVT172 solenoid is specifically designed for use in Subaru Forester, Legacy, and WRX STI models, ensuring proper fit and function. Its electromagnetic activation type allows for precise modulation of the variable valve timing system, which is critical for optimizing engine efficiency and emissions. The solenoid features a single rectangular female connector with two pins and blade-type male terminals, facilitating straightforward electrical connections. Constructed from a combination of metal and plastic materials, the solenoid housing measures 25mm in length and 82.1mm in height, with a shaft diameter of 18mm (0.7 inches), dimensions that align with OEM specifications.

Common Applications and Problem Resolution

• Restores proper variable valve timing function in Subaru Forester, Legacy, and WRX STI
• Resolves engine performance issues related to faulty VVT solenoids
• Addresses rough idling and reduced fuel efficiency caused by VVT malfunctions
• Eliminates check engine light codes associated with VVT system errors
• Improves engine responsiveness and power delivery

Installation Notes and Tips

Installation of the Standard Ignition VVT172 solenoid requires basic mechanical skills and appropriate tools. Ensure the engine is cool before beginning the replacement process. Disconnect the battery to prevent electrical shorts. Carefully remove the old solenoid, noting the orientation and connector type. Since mounting hardware and gaskets are not included, retain original components or source replacements as needed. Verify the connector is securely attached and free of corrosion before reassembly. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The VVT172 solenoid undergoes rigorous quality control to ensure reliable performance in Subaru Forester, Legacy, and WRX STI vehicles. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.