FAN BELT FOR M939A2 TRUCKS WITH THE CUMMINS 6CTA 8.3 LITER TURBO ENGINE.

NOT FOR M939A1 TRUCKS WITH THE 250 CUMMINS, BUT I DO ALSO HAVE THOSE BELTS IN STOCK.

PART #' 3912004 NSN 3030-01-271-3754  ALTERNATE NUMBERS 3289191, 20-3945, 5080680, 680K5, K080680, 4080680