Genuine Toyota 13540-46030 Timing Tensioner Assembly
Toyota Supra MKIV (93-98)
Built for the (93-98) Toyota Supra MKIV... These parts are for the timing belt assembly for the 3sgte. The idler is just a bearing that bolts in a stationary position to guide the timing belt. The tensioner with arm is the device that actually controls the tension of the belt.
SU5541 Engine Coolant Temperature Sensor