Quick view Mechman S Series 240 amp alternator for 4.6L Cadillac Lucerne Now: $429.00 MSRP: $529.00 Was: The S series of 6 phase alternators offers incredible output in a compact and durable package. 12 diodes, twin rectifier plates and outstanding airflow ensure long service life, even in severe conditions. The 240 amp model offers… Choose Options Add To Compare