AUTEX Variable Valve Timing Oil Control Valve Engine Camshaft VVT Solenoid Compatible With Lexus GS300 GS400 GS430 IS300 SC300 SC400 Toyota Supra 1533046011 1533046010 FUNCTION: Variable valve timing (VVT) helps provide smoother idling, improved fuel economy, and superior emissions control.It works on oil pressure, and can adjust cam position to provide the right performance. Backed by 1 Year Warranty. Brand New 1533046011 Engine Camshaft Timing Oil Control Valve VVT Solenoid. Replaces Cross Part Numbers: 15330-46011, 1533046010, 917288 VVT, Fits for Lexus GS300 GS400 GS430 IS300 SC300 SC400 Toyota Supra 1997-2005 (Please check the compatibility list before purchasing. Welcome to contact us if you have any questions.) PREMIUM QUALITY: Easy Plug and Play. Oil flow rate, pressure, oil leakage are tested on every unit to guarantee long-term durability. HOW TO replace: Locate the oil control valve, disconnect the electrical cable, twist the bolt back and forth to pull out slowly, rub the o-ring with oil then slide the new solenoid back into place, fasten the bolt, re-connect the electrical connection.Please check the compatibility list before purchasing. Welcome to contact us if you have any questions.