Standard VVT198T Engine Variable Valve Timing (VVT) Solenoid - Intake

Engine VVT Solenoid for Intake Timing Control

Standard VVT198T is an engine variable valve timing solenoid for intake-side applications. It is used on a wide range of Buick, Chevrolet, GMC, Pontiac, Saturn, and Saab models with 2006-2022 coverage, including Buick Enclave, Chevrolet Equinox, and GMC Terrain applications.

Key Features

• Engine variable valve timing (VVT) solenoid for intake cam timing control
• Direct-fit replacement for select GM and Saab applications
• Mounting hardware is not included
• Cross-references Standard Ignition VVT198
• Part number VVT198T for ordering and fitment verification

Detailed Description

This Standard VVT198T solenoid regulates oil flow to the intake cam phaser so the engine control system can adjust valve timing based on operating conditions. It is a practical replacement for vehicles such as the Chevrolet Equinox, GMC Terrain, and Buick LaCrosse when the original intake VVT solenoid is no longer responding correctly. This part cross-references 35-1097 and 12578517 for the same application.

Compatible With 2022 Buick Enclave, N/A; 2012-2017 Buick Verano, Intake; 2010-2017 Chevrolet Equinox, Intake; 2010-2017 GMC Terrain, Intake; 2010-2016 Buick LaCrosse, Intake; 2011-2015 Buick Regal, Intake; 2012-2015 Chevrolet Captiva Sport, Intake; 2014 Chevrolet Impala, Intake; 2008-2014 Chevrolet Malibu, Intake; 2006-2011 Chevrolet HHR, Intake; 2011 Saab 9-5, Intake; 2006-2010 Chevrolet Cobalt, Intake; 2006-2010 Pontiac G6, Intake; 2007-2010 Saturn Sky, Intake; 2007-2010 Saturn Vue, Intake; 2007-2009 Pontiac G5, Intake; 2006-2009 Pontiac Solstice, Intake; 2007-2009 Saturn Aura, Intake; 2006-2007 Saturn Ion, Intake.

Common Issues This Part Can Address

• Check engine light related to variable valve timing performance
• Rough idle or inconsistent engine response
• Delayed cam timing adjustment on intake-side systems
• Reduced drivability caused by a sticking or failed VVT solenoid
• Oil control faults affecting cam phaser operation

Installation Notes and Tips

Verify the engine uses an intake-position VVT solenoid before ordering. Inspect the connector, wiring, and oil passages during replacement, and confirm the mounting surface is clean before installation. Because mounting hardware is not included, reuse or source the required fasteners as needed. The VVT198T part number should be matched to the vehicle application and engine configuration before installation.

Quality Assurance

Standard is a recognized aftermarket brand for engine management and electrical components. VVT198T is built for direct replacement use in the listed applications and is identified by Standard Ignition VVT198 interchange support.