Engine Crankshaft Position Sensor – GM (10456161)

Front, 3.8L. Impala, Monte Carlo. 3.8l. Park Avenue. LaCrosse. 3.8l. Bonneville, LeSabre. 3.8l. Lucerne. 3.8l. Riviera. Grand Prix. 6 cylinder. All. Helps keep engine timing and fuel injection running in sync Helps provide proper alignment, positioning, and spacing for easy installation Synchronizes engine valves and pistons for excellent engine performance