CAT Car Alternator Assembly 12739N 12V 120A 6S

The CAT Car Alternator Assembly 12739N is a high-performance 12V 120A alternator with a 6S pulley, designed for reliable power generation in demanding applications. It is a direct OE replacement for models like A6604, UD804940A, and ISKRA 11203175, ensuring compatibility and durability. This alternator is ideal for Perkins 1104D-44T and Caterpillar 432D (3054E) engines, commonly found in 2000-2005 models. Its robust construction and precise engineering make it a dependable choice for commercial and industrial vehicles.