Front 4WD Differential Vacuum Actuator compatible with Tacoma 2005-2019, 4Runner 2003-2019, and FJ 2007-2014.This actuator is designed to support the of the 4WD system by managing differential lock engagement through vacuum control.It serves as a direct replacement for part numbers 41400-35034, 41400-35033, 41400-35032, 41400-35030, and 41400-35031.Constructed with a plastic housing, the unit is engineered for under regular driving and off-road conditions.Installation is straightforward and does not require special tools, allowing for quick integration into existing systems.