Fit For Vauxhall Vivaro fit For Renault Turbo Boost Pressure Solenoid Valve Car Engines Diesel Turbo Replacement Part. OEM NO. : 91167214. Function, The function of turbocharger actuator solenoid valve is to control the boost pressure by overcoming the spring pressure and separating the exhaust flow. Function: The turbocharger actuator solenoid valve works to regulate boost pressure by counteracting spring tension and diverting exhaust gas flow. Direct Replacement: It serves as a direct replacement part, featuring quick, hassle-free installation without complex procedures, enabling convenient mounting and usage while greatly cutting down your time and labor costs., Manufacturer: EHYSYN