4WD Front Differential Vacuum Actuator 41400-35034 For 4Runner Tacoma / FJ 4x4 V6 4140035034 4140035033 This vacuum actuator is designed for the front differential of 4WD vehicles including 4Runner, Tacoma, and FJ models equipped with a V6 engine.It enables engagement and disengagement of the front axle by responding to vacuum signals from the transfer case.The unit replaces part numbers 41400-35034, 4140035034, and 4140035033.It is engineered to integrate with the vehicle's existing 4WD system to support switching between two-wheel and four-wheel drive modes.Installation requires proper connection to the vacuum lines and mounting to the front differential housing.