2.3 LITER. Crnkshft pulley bolt. Bolt musr be replaced if removed. Engine Crankshaft Pulley Bolt. Engine Harmonic Balancer Bolt. Part cannot be reused/reinstalled. Part must be replaced if removed. Harmonic Balancer. Included with: Crankshaft Pulley, Crankshaft Pulley Part cannot be reused/reinstalled, Damper & Pulley, Part cannot be reused/reinstalled Crankshaft Pulley.