Quick view Mechman Alternators Mechman 320 Amp High Output Alternator 2005-2013 GM Truck 4.3L 4.8L 5.3L 6.0L 6.2L Installation Notes: This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, an MSRP: $699.99 Was: Now: $519.00 Add to Cart
