Quick view Mechman Mechman 250 Amp High Output Alternator 1996-2004 GM Truck 4.3L 4.8L 5.3L 5.7L 6L Now: $429.00 MSRP: $529.00 Was: The Elite series 250 amp alternator offers great output at idle RPM and excellent durability in a direct-bolt-in package. 6 phase technology, combined with massive twin rectifier assemblies and 12 diodes makes these alternators to… Choose Options Add To Compare