This is a new ACDelco 213-1579 crankshaft position sensor, designed for specific vehicles with VIN code Y and engine code LD8. As a critical engine management component, it helps ensure proper ignition timing and engine performance. This sensor can be a direct replacement for a faulty unit that may cause starting issues, stalling, or a check engine light. Free shipping is available for this item. It is intended for vehicle owners or mechanics performing engine repairs. Always verify the specific fitment for your vehicle make, model, and year before purchasing. Check the listing for full details and compatibility information. Genuine ACDelco Engine Crankshaft Position Sensor-VIN: Y, Eng Code: LD8 213-1579. Condition: New. Listed at 50.36 USD. All models. 4.6l. Seville. 4.0l. Bonneville, LeSabre. 4.6l. 4.6L, lower. Engine & Transmission. 2001 Cadillac Seville SLS, STS 4.6L V8 - Gas. 2001 Cadillac Eldorado ESC, ETC 4.6L V8 - Gas. 2001 Cadillac DeVille Base, DHS, DTS 4.6L V8 - Gas.