A high vibration, high-cycle, pulse width modulated (PWM) solenoid actuated valve assembly , comprising: a valve housing ; and a solenoid actuator coupled to the valve housing, the solenoid actuator comprising: a solenoid housing coupled to the valve housing; a bobbin assembly disposed at least partially within the solenoid housing, the bobbin assembly including a return pole and a yoke , the yoke having an inner surface that defines an armature cavity ; a coil disposed within the solenoid housing and wound around at least a portion of the bobbin assembly; an armature disposed within the armature cavity and axially movable relative to the yoke; a glide structure disposed at least partially within the armature cavity and between the armature and the inner surface of the yoke; an actuation rod coupled to, and axially movable with, the armature, the actuation rod extending into the valve housing and having a valve integrally formed thereon; and characterized in that the solenoid actuator further comprises an anti-rotation guide structure disposed within the valve housing and surrounding at least a portion of the actuation rod, wherein at least the actuation rod and anti-rotation guide each have structural features formed thereon that mate with each other and thereby prevent rotation of the actuation rod and the armature. a valve housing ; and a solenoid actuator coupled to the valve housing, the solenoid actuator comprising: a solenoid housing coupled to the valve housing; a bobbin assembly disposed at least partially within the solenoid housing, the bobbin assembly including a return pole and a yoke , the yoke having an inner surface that defines an armature cavity ; a coil disposed within the solenoid housing and wound around at least a portion of the bobbin assembly; an armature disposed within the armature cavity and axially movable relative to the yoke; a glide structure disposed at least partially within the armature cavity and between the armature and the inner surface of the yoke; an actuation rod coupled to, and axially movable with, the armature, the actuation rod extending into the valve housing and having a valve integrally formed thereon; and characterized in that the solenoid actuator further comprises an anti-rotation guide structure disposed within the valve housing and surrounding at least a portion of the actuation rod, wherein at least the actuation rod and anti-rotation guide each have structural features formed thereon that mate with each other and thereby prevent rotation of the actuation rod and the armature. a solenoid housing coupled to the valve housing; a bobbin assembly disposed at least partially within the solenoid housing, the bobbin assembly including a return pole and a yoke , the yoke having an inner surface that defines an armature cavity ; a coil disposed within the solenoid housing and wound around at least a portion of the bobbin assembly; an armature disposed within the armature cavity and axially movable relative to the yoke; a glide structure disposed at least partially within the armature cavity and between the armature and the inner surface of the yoke; an actuation rod coupled to, and axially movable with, the armature, the actuation rod extending into the valve housing and having a valve integrally formed thereon; and characterized in that the solenoid actuator further comprises an anti-rotation guide structure disposed within the valve housing and surrounding at least a portion of the actuation rod, wherein at least the actuation rod and anti-rotation guide each have structural features formed thereon that mate with each other and thereby prevent rotation of the actuation rod and the armature. <EOS>