The STANDARD IGNITION PVS28 SI Ported Vacuum Switch is engineered to meet or exceed original equipment specifications ensuring reliable performance in emission control systems This switch is compatible with various Nissan models including the 2012 Nissan Sentra Designed to regulate the flow of vacuum to the engine s EGR valve it plays a crucial role in maintaining optimal engine performance and reducing harmful emissions Constructed with industrial grade materials the PVS28 SI switch offers robust performance and prolonged service life Its design facilitates easy installationd ensures a secure fit minimizing the risk of leaks and ensuring efficient operation By choosing the STANDARD IGNITION PVS28 SI Ported Vacuum Switch fleet operators can enhance vehicle performance comply with emission standards and reduce maintenance costs associated with emission control components