Quick view Mechman G Series 240 amp alternator for GM truck w/ 2 pin plug Now: $349.00 MSRP: $449.00 Was: Based on the GM AD244 chassis, the tried-and-true G series of alternators are our best sellers. Reasonably priced and very durable, these units feature solid copper custom rectifiers for great durability. 6 oversize press fit diod… Add to Cart The item has been added Add To Compare