Crankshaft Position Sensor. Air Flow Sensor. ABS Sensor. Engine Valve Cover. Jeep Wrangler TJ 1997 L6 4.0L Auxiliary Air Valve; to 07/01/97. Jeep Wrangler YJ 1991-1995 L6 4.0L Auxiliary Air Valve. Note-1: Jeep Wrangler & TJ fit model built to 07/01/97.
